Location: Computational Modelling of Glucose Uptake by SGLT1 and Apical GLUT2 in the Enterocyte @ 2fed4cbe51bf / Figure02.cellml

Author:
nima <nafs080@aucklanduni.ac.nz>
Date:
2022-04-05 19:17:27+12:00
Desc:
CellML and SEDML Files
Permanent Source URI:
https://models.physiomeproject.org/workspace/841/rawfile/2fed4cbe51bfb5b3c2a6b10546351fd3c2daf026/Figure02.cellml

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    <!-- electroneutrality maintained also apical and basolateral concentration considered as constant without any equations
 Basolateral concentration are constant and they are same as high glucose DMEM cell culture
 No conditon for glucose concentration in the lumen
 Output of this model then fitted to experimental data
 water transport added to the curent model-->
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        <unit exponent="-1" units="second"/>
    </units>
    <units name="per_second2">
        <unit exponent="-1" units="second"/>
    </units>
    <units name="Mm2">
        <unit units="M"/>
        <unit units="m2"/>
    </units>
    <!--    def unit per_second5 as
        unit second {expo: -5};
    enddef;-->
    <units name="volt_per_second">
        <unit units="volt"/>
        <unit exponent="-1" units="second"/>
    </units>
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        <unit exponent="-1" units="meter"/>
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        <unit exponent="-1" units="second"/>
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        <unit units="second"/>
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    <!--    def unit litre as
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    enddef;-->
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        <unit exponent="-1" units="um2"/>
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        <unit prefix="milli" units="mole"/>
        <unit exponent="-1" units="litre"/>
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        <unit units="joule"/>
        <unit exponent="-1" units="kelvin"/>
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        unit cm2 {expo: -1};
        unit second {expo: -1};
    enddef;-->
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        <!--A_membrane = v_cell/2.5e-6{metre};-->
        <variable name="v_cell" public_interface="in" units="m3"/>
        <variable initial_value="0" name="P_Na" public_interface="out" units="m_per_s"/>
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        <variable initial_value="1e-08" name="P_P_Cl" public_interface="out" units="m_per_s"/>
        <variable initial_value="0" name="P_Bl_Na" public_interface="out" units="m_per_s"/>
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        <variable initial_value="0" name="P_Bl_Cl" public_interface="out" units="m_per_s"/>
        <variable name="time" public_interface="out" units="second"/>
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        <variable initial_value="300" name="k0_21" public_interface="out" units="per_second"/>
        <variable initial_value="15000" name="k0_23" public_interface="out" units="per_M_per_second"/>
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        <variable initial_value="0.3" name="alpha_p" public_interface="out" units="dimensionless"/>
        <variable initial_value="0" name="alpha_pp" public_interface="out" units="dimensionless"/>
        <!--ar N_C: dimensionless {init: 6e10};
var N_Avo: per_mol {init: 6.022e23};-->
        <!--var C_T: umol {pub: out};-->
        <variable initial_value="2" name="n" public_interface="out" units="dimensionless"/>
        <variable initial_value="-2" name="z_c" public_interface="out" units="dimensionless"/>
        <variable name="v_mc" public_interface="in" units="volt"/>
        <variable name="mu" public_interface="out" units="dimensionless"/>
        <!--alpha_p = 1{dimensionless}-delta-alpha_pp;-->
        <!--C_T = 1e6{umol_per_mol}*N_C/N_Avo;-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
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                <eq/>
                <ci>mu</ci>
                <apply>
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                    <apply>
                        <times/>
                        <ci>F</ci>
                        <ci>v_mc</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>R</ci>
                        <ci>T</ci>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component name="Apical_concentrations">
        <variable initial_value="0.15" name="Na_m" public_interface="out" units="M"/>
        <variable initial_value="0.0054" name="K_m" public_interface="out" units="M"/>
        <variable name="glucose_m" public_interface="out" units="M"/>
        <variable initial_value="0.15" name="Cl_m" public_interface="out" units="M"/>
        <variable name="time" public_interface="in" units="second"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>glucose_m</ci>
                <piecewise>
                    <piece>
                        <cn cellml:units="M">0</cn>
                        <apply>
                            <and/>
                            <apply>
                                <geq/>
                                <ci>time</ci>
                                <cn cellml:units="second">0</cn>
                            </apply>
                            <apply>
                                <lt/>
                                <ci>time</ci>
                                <cn cellml:units="second">5000</cn>
                            </apply>
                        </apply>
                    </piece>
                    <piece>
                        <cn cellml:units="M">0.05</cn>
                        <apply>
                            <geq/>
                            <ci>time</ci>
                            <cn cellml:units="second">5000</cn>
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                </piecewise>
            </apply>
        </math>
    </component>
    <component name="Apical_voltage">
        <variable initial_value="-0.046" name="v_mc" public_interface="out" units="volt"/>
        <variable name="time" public_interface="in" units="second"/>
        <variable name="capacitance" public_interface="in" units="uF"/>
        <!--        var I_D_Na: uA {pub: in};
        var I_D_K: uA {pub: in};
        var I_D_Cl: uA {pub: in};-->
        <variable name="I_D_P_Na" public_interface="in" units="uA"/>
        <variable name="I_D_P_K" public_interface="in" units="uA"/>
        <variable name="I_D_P_Cl" public_interface="in" units="uA"/>
        <variable name="I_NHE3_H" public_interface="in" units="uA"/>
        <variable name="I_NHE3_Na" public_interface="in" units="uA"/>
        <variable name="I_BK" public_interface="in" units="uA"/>
        <!--        var I_AE1_HCO3: uA {pub: in};
        var I_AE1_Cl: uA {pub: in};-->
        <variable name="I_ENaC" public_interface="in" units="uA"/>
        <!--var I_NaCl: uA {pub: in};-->
        <variable name="I_Na_SGLT" public_interface="in" units="uA"/>
        <variable name="I_CFTR" public_interface="in" units="uA"/>
        <!--var I_CFTR_HCO3: uA {pub: in};-->
        <!--var I_Gl_SGLT: uA {pub: in};-->
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                            <apply>
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                            <apply>
                                <times/>
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                                <apply>
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                                    <apply>
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                                </apply>
                            </apply>
                        </apply>
                    </apply>
                    <ci>capacitance</ci>
                </apply>
            </apply>
        </math>
    </component>
    <component name="Cell_concentration">
        <variable initial_value="0.045" name="Na_i" public_interface="out" units="M"/>
        <!--var Na_m: M {pub: in};
var Na_s: M {pub: in};-->
        <variable initial_value="0.009" name="glucose_i" public_interface="out" units="M"/>
        <variable initial_value="0.105" name="K_i" public_interface="out" units="M"/>
        <variable initial_value="6e-05" name="Ca_i" public_interface="out" units="M"/>
        <variable initial_value="0.057" name="Cl_i" public_interface="out" units="M"/>
        <variable name="HCO3_i" public_interface="out" units="M"/>
        <variable name="H_int" public_interface="out" units="M"/>
        <variable name="HCO3_m" public_interface="out" units="M"/>
        <variable name="HCO3_s" public_interface="out" units="M"/>
        <variable initial_value="6.3e-08" name="H_Ext" public_interface="out" units="M"/>
        <variable initial_value="6.3e-08" name="H_s" public_interface="out" units="M"/>
        <variable initial_value="2e-15" name="v_cell" public_interface="out" units="m3"/>
        <variable name="A_membrane" public_interface="in" units="m2"/>
        <variable name="J_Na_SGLT" public_interface="in" units="umol_per_s"/>
        <variable name="J_Gl_SGLT" public_interface="in" units="umol_per_s"/>
        <variable name="J_Na_NaK" public_interface="in" units="umol_per_s"/>
        <variable name="J_K_NaK" public_interface="in" units="umol_per_s"/>
        <variable name="J_NBC_Na" public_interface="in" units="umol_per_s"/>
        <variable name="J_NBC_HCO3" public_interface="in" units="umol_per_s"/>
        <!--var J_NaCl: umol_per_s {pub: in};-->
        <variable name="J_NHE3_Na" public_interface="in" units="umol_per_s"/>
        <variable name="J_NHE3_H" public_interface="in" units="umol_per_s"/>
        <!--        var J_D_Na: umol_per_s {pub: in};
        var J_D_Bl_Na: umol_per_s {pub: in};-->
        <variable name="J_GLUT" public_interface="in" units="umol_per_s"/>
        <variable name="J_A_GLUT" public_interface="in" units="umol_per_s"/>
        <!--        var J_D_K: umol_per_s {pub: in};
        var J_D_Bl_K: umol_per_s {pub: in};
        var J_D_Cl: umol_per_s {pub: in};
        var J_D_Bl_Cl: umol_per_s {pub: in};-->
        <variable name="J_AE1_Cl" public_interface="in" units="umol_per_s"/>
        <variable name="J_AE1_HCO3" public_interface="in" units="umol_per_s"/>
        <variable name="J_CFTR" public_interface="in" units="umol_per_s"/>
        <variable name="J_CLC2" public_interface="in" units="umol_per_s"/>
        <!--var J_CFTR_HCO3: umol_per_s {pub: in};-->
        <variable name="J_ENaC" public_interface="in" units="umol_per_s"/>
        <variable name="J_NaKCC" public_interface="in" units="umol_per_s"/>
        <variable name="J_IK" public_interface="in" units="umol_per_s"/>
        <variable name="J_BK" public_interface="in" units="umol_per_s"/>
        <variable name="J_D_P_Na" public_interface="in" units="umol_per_s"/>
        <!--        var J_buf_C: M_per_second {pub: in};
        var J_buf_A: M_per_second {pub: in};-->
        <variable name="time" public_interface="in" units="second"/>
        <variable initial_value="7.2" name="pH_int" public_interface="out" units="per_second"/>
        <variable initial_value="7.2" name="pH_Ext" public_interface="out" units="per_second"/>
        <variable initial_value="7.2" name="pH_s" public_interface="out" units="per_second"/>
        <variable initial_value="1680000" name="rho" public_interface="out" units="per_meter"/>
        <variable name="beta" public_interface="out" units="M"/>
        <variable initial_value="6.4" name="p_K" public_interface="out" units="dimensionless"/>
        <variable initial_value="40" name="P_CO2" public_interface="out" units="dimensionless"/>
        <variable initial_value="1e-05" name="s" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="theta_1" units="dimensionless"/>
        <variable initial_value="1" name="theta_2" units="dimensionless"/>
        <variable initial_value="1" name="theta_3" units="dimensionless"/>
        <variable initial_value="1" name="theta_4" units="dimensionless"/>
        <variable initial_value="1" name="theta_5" units="dimensionless"/>
        <variable initial_value="1" name="theta_6" units="dimensionless"/>
        <variable initial_value="1" name="theta_7" units="dimensionless"/>
        <variable initial_value="1" name="theta_8" units="dimensionless"/>
        <variable initial_value="1" name="theta_9" units="dimensionless"/>
        <variable initial_value="1" name="theta_10" units="dimensionless"/>
        <variable initial_value="1" name="theta_11" units="dimensionless"/>
        <variable initial_value="1" name="theta_12" units="dimensionless"/>
        <variable initial_value="1" name="theta_13" units="dimensionless"/>
        <variable initial_value="1" name="theta_14" units="dimensionless"/>
        <variable initial_value="1" name="theta_15" units="dimensionless"/>
        <variable initial_value="1" name="theta_16" units="dimensionless"/>
        <variable initial_value="1" name="theta_17" units="dimensionless"/>
        <variable initial_value="1" name="theta_18" units="dimensionless"/>
        <variable initial_value="1" name="theta_19" units="dimensionless"/>
        <variable initial_value="1" name="theta_20" units="dimensionless"/>
        <variable initial_value="1" name="theta_21" units="dimensionless"/>
        <variable initial_value="1" name="theta_22" units="dimensionless"/>
        <variable initial_value="1" name="theta_23" units="dimensionless"/>
        <variable initial_value="1" name="theta_24" units="dimensionless"/>
        <variable initial_value="1" name="theta_25" units="dimensionless"/>
        <variable initial_value="1" name="theta_26" units="dimensionless"/>
        <variable initial_value="1" name="theta_27" units="dimensionless"/>
        <variable initial_value="1.8e-05" name="v_w" public_interface="out" units="m3_per_mole"/>
        <variable name="J_w_A" public_interface="out" units="umol_per_s"/>
        <variable name="J_w_B" public_interface="out" units="umol_per_s"/>
        <variable name="J_w_P" public_interface="out" units="umol_per_s"/>
        <variable name="J_D_P_Gl" public_interface="out" units="umol_per_s"/>
        <variable initial_value="6e-06" name="L_A" public_interface="out" units="m_per_s"/>
        <variable initial_value="6e-06" name="L_B" public_interface="out" units="m_per_s"/>
        <variable initial_value="4e-07" name="L_P" public_interface="out" units="m_per_s"/>
        <variable initial_value="3e-10" name="L_P_Gl" public_interface="out" units="m_per_s"/>
        <variable name="NII" public_interface="out" units="M"/>
        <variable name="chi_i" public_interface="out" units="M"/>
        <variable initial_value="0.001" name="psi" public_interface="out" units="M"/>
        <variable name="Na_m" public_interface="in" units="M"/>
        <variable name="K_m" public_interface="in" units="M"/>
        <variable name="glucose_m" public_interface="in" units="M"/>
        <variable name="Cl_m" public_interface="in" units="M"/>
        <variable name="Na_s" public_interface="in" units="M"/>
        <variable name="K_s" public_interface="in" units="M"/>
        <variable name="glucose_s" public_interface="in" units="M"/>
        <variable name="Cl_s" public_interface="in" units="M"/>
        <!--var dif: dimensionless {pub: out};-->
        <!--        var alpha: dimensionless {init: 0.1, pub: out};-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>NII</ci>
                <apply>
                    <divide/>
                    <apply>
                        <times/>
                        <cn cellml:units="dimensionless" type="e-notation">1<sep/>-3</cn>
                        <ci>chi_i</ci>
                    </apply>
                    <ci>v_cell</ci>
                </apply>
            </apply>
        </math>
        <!--chi_i = 1e-3{dimensionless}*(NII * v_cell);-->
        <variable initial_value="1" name="alpha_1" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_2" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_3" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_4" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_5" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_6" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_7" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_8" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_9" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_10" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_11" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_12" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_13" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_14" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_15" public_interface="out" units="dimensionless"/>
        <variable name="OS_A" public_interface="out" units="M"/>
        <variable name="OS_C" public_interface="out" units="M"/>
        <variable name="OS_B" public_interface="out" units="M"/>
        <variable name="A" public_interface="out" units="M"/>
        <variable name="B" public_interface="out" units="M"/>
        <variable initial_value="0" name="Gl_net_P" public_interface="out" units="M"/>
        <variable initial_value="0" name="Gl_net_A" public_interface="out" units="M"/>
        <variable initial_value="0" name="Gl_net_B" public_interface="out" units="M"/>
        <variable name="Net_gl" public_interface="out" units="M"/>
        <variable initial_value="0" name="Cell_electroneutrality" public_interface="out" units="M"/>
        <variable initial_value="0" name="Blood_electroneutrality" public_interface="out" units="M"/>
        <variable initial_value="0" name="Lumen_electroneutrality" public_interface="out" units="M"/>
        <variable name="J_A_Na" public_interface="out" units="umol_per_s"/>
        <variable name="J_B_Na" public_interface="out" units="umol_per_s"/>
        <!--var Concentration_Na: M {pub: out};-->
        <!-- Concentration_Na = Na_m+Na_i+Na_s;-->
        <!--var K_g: per_second {init: 0.0015, pub: out};-->
        <!--dif = v_w*(J_w_B-J_w_A);-->
        <!--ode(dif,time) = 150{dimensionless};-->
        <!--var K_g: per_second {init: 0.0015, pub: out};-->
        <!--        Lumen_electroneutrality = -(Cl_m+HCO3_m)+Na_m+K_m;
Cell_electroneutrality = -(Cl_i+HCO3_i+NII)+Na_i+K_i;-->
        <!--        Blood_electroneutrality = -(Cl_s+HCO3_s)+Na_s+K_s;-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>HCO3_s</ci>
                <apply>
                    <minus/>
                    <apply>
                        <minus/>
                        <apply>
                            <plus/>
                            <ci>Na_s</ci>
                            <ci>K_s</ci>
                        </apply>
                        <ci>Blood_electroneutrality</ci>
                    </apply>
                    <ci>Cl_s</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>HCO3_m</ci>
                <apply>
                    <minus/>
                    <apply>
                        <minus/>
                        <apply>
                            <plus/>
                            <ci>Na_m</ci>
                            <ci>K_m</ci>
                        </apply>
                        <ci>Lumen_electroneutrality</ci>
                    </apply>
                    <ci>Cl_m</ci>
                </apply>
            </apply>
            <!--NII = Na_i+K_i-Cell_electroneutrality-Cl_i-HCO3_i;-->
            <apply>
                <eq/>
                <ci>J_A_Na</ci>
                <apply>
                    <plus/>
                    <ci>J_Na_SGLT</ci>
                    <ci>J_ENaC</ci>
                    <ci>J_NHE3_Na</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_B_Na</ci>
                <apply>
                    <plus/>
                    <apply>
                        <minus/>
                        <ci>J_Na_NaK</ci>
                    </apply>
                    <ci>J_NaKCC</ci>
                    <ci>J_NBC_Na</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>chi_i</ci>
                <apply>
                    <minus/>
                    <apply>
                        <minus/>
                        <apply>
                            <minus/>
                            <apply>
                                <plus/>
                                <ci>Na_i</ci>
                                <ci>K_i</ci>
                            </apply>
                            <ci>Cell_electroneutrality</ci>
                        </apply>
                        <ci>Cl_i</ci>
                    </apply>
                    <ci>HCO3_i</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>A</ci>
                <ci>OS_C</ci>
            </apply>
            <apply>
                <eq/>
                <ci>B</ci>
                <apply>
                    <divide/>
                    <apply>
                        <plus/>
                        <ci>OS_A</ci>
                        <ci>OS_B</ci>
                    </apply>
                    <cn cellml:units="dimensionless">2</cn>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>OS_A</ci>
                <apply>
                    <plus/>
                    <ci>Cl_m</ci>
                    <ci>HCO3_m</ci>
                    <ci>Na_m</ci>
                    <ci>K_m</ci>
                    <ci>glucose_m</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>OS_C</ci>
                <apply>
                    <plus/>
                    <ci>Cl_i</ci>
                    <ci>HCO3_i</ci>
                    <ci>Na_i</ci>
                    <ci>K_i</ci>
                    <ci>chi_i</ci>
                    <ci>glucose_i</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>OS_B</ci>
                <apply>
                    <plus/>
                    <ci>Cl_s</ci>
                    <ci>HCO3_s</ci>
                    <ci>Na_s</ci>
                    <ci>K_s</ci>
                    <ci>glucose_s</ci>
                </apply>
            </apply>
            <!--psi = 2{dimensionless}*(Cl_i+HCO3_i+Na_i+K_i+chi_c+glucose_i)-(Cl_s+HCO3_s+Na_s+K_s+glucose_s)-(Cl_m+HCO3_m+Na_m+K_m+glucose_m);-->
            <apply>
                <eq/>
                <ci>beta</ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless">2.3</cn>
                    <ci>HCO3_i</ci>
                    <ci>A_membrane</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>Na_i</ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="m3_mole_per_litre_per_umol" type="e-notation">1<sep/>-9</cn>
                        <ci>v_cell</ci>
                    </apply>
                    <apply>
                        <minus/>
                        <apply>
                            <plus/>
                            <apply>
                                <minus/>
                                <apply>
                                    <times/>
                                    <ci>theta_1</ci>
                                    <ci>J_Na_SGLT</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>theta_2</ci>
                                    <ci>J_Na_NaK</ci>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <ci>theta_15</ci>
                                <ci>J_ENaC</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>theta_16</ci>
                                <ci>J_NaKCC</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>theta_19</ci>
                                <ci>J_NBC_Na</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>theta_3</ci>
                                <ci>J_NHE3_Na</ci>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <ci>Na_i</ci>
                            <cn cellml:units="dimensionless" type="e-notation">1<sep/>9</cn>
                            <apply>
                                <diff/>
                                <bvar>
                                    <ci>time</ci>
                                </bvar>
                                <ci>v_cell</ci>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>glucose_i</ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="m3_mole_per_litre_per_umol" type="e-notation">1<sep/>-9</cn>
                        <ci>v_cell</ci>
                    </apply>
                    <apply>
                        <minus/>
                        <apply>
                            <minus/>
                            <apply>
                                <plus/>
                                <apply>
                                    <times/>
                                    <ci>theta_26</ci>
                                    <cn cellml:units="dimensionless">1</cn>
                                    <ci>J_A_GLUT</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>theta_6</ci>
                                    <ci>J_Gl_SGLT</ci>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <ci>theta_7</ci>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>J_GLUT</ci>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <ci>glucose_i</ci>
                            <cn cellml:units="dimensionless" type="e-notation">1<sep/>9</cn>
                            <apply>
                                <diff/>
                                <bvar>
                                    <ci>time</ci>
                                </bvar>
                                <ci>v_cell</ci>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>K_i</ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="m3_mole_per_litre_per_umol" type="e-notation">1<sep/>-9</cn>
                        <ci>v_cell</ci>
                    </apply>
                    <apply>
                        <minus/>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>theta_8</ci>
                                <ci>J_K_NaK</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>theta_17</ci>
                                <ci>J_NaKCC</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>theta_27</ci>
                                <ci>J_IK</ci>
                            </apply>
                            <ci>J_BK</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>K_i</ci>
                            <cn cellml:units="dimensionless" type="e-notation">1<sep/>9</cn>
                            <apply>
                                <diff/>
                                <bvar>
                                    <ci>time</ci>
                                </bvar>
                                <ci>v_cell</ci>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>Cl_i</ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="m3_mole_per_litre_per_umol" type="e-notation">1<sep/>-9</cn>
                        <ci>v_cell</ci>
                    </apply>
                    <apply>
                        <minus/>
                        <apply>
                            <plus/>
                            <apply>
                                <minus/>
                                <apply>
                                    <times/>
                                    <apply>
                                        <minus/>
                                        <ci>theta_11</ci>
                                    </apply>
                                    <ci>J_CFTR</ci>
                                </apply>
                                <ci>J_CLC2</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>theta_18</ci>
                                <cn cellml:units="dimensionless">2</cn>
                                <ci>J_NaKCC</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>theta_14</ci>
                                <ci>J_AE1_Cl</ci>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <ci>Cl_i</ci>
                            <cn cellml:units="dimensionless" type="e-notation">1<sep/>9</cn>
                            <apply>
                                <diff/>
                                <bvar>
                                    <ci>time</ci>
                                </bvar>
                                <ci>v_cell</ci>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <!--ode(HCO3_i, time) = 1e-9{m3_mole_per_litre_per_umol}/v_cell*theta_20*J_NBC_HCO3+theta_25*J_AE1_HCO3+theta_21*J_buf_C;
psi = (J_w_B - (ode(v_cell,time)/(1e-6{umole_per_mole}*v_w)) - 1e9{dimensionless}*L_A*A_membrane*(alpha_1*Na_m+alpha_2*Cl_m+alpha_3*glucose_m+alpha_4*K_m+alpha_5*HCO3_m-(alpha_6*Na_i+alpha_7*Cl_i+alpha_8*glucose_i+alpha_9*K_i+alpha_10*HCO3_i+chi_c)))/(1e9{dimensionless}*L_A*A_membrane);-->
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>pH_int</ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <cn cellml:units="m3_mole_per_litre_per_umol" type="e-notation">1<sep/>-9</cn>
                            <ci>rho</ci>
                        </apply>
                        <ci>beta</ci>
                    </apply>
                    <apply>
                        <minus/>
                        <apply>
                            <minus/>
                            <apply>
                                <times/>
                                <ci>theta_20</ci>
                                <ci>J_NBC_HCO3</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>theta_22</ci>
                                <ci>J_NHE3_H</ci>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <ci>theta_25</ci>
                            <ci>J_AE1_HCO3</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>v_cell</ci>
                </apply>
                <apply>
                    <times/>
                    <cn cellml:units="umole_per_mole" type="e-notation">1<sep/>-6</cn>
                    <ci>v_w</ci>
                    <apply>
                        <minus/>
                        <ci>J_w_B</ci>
                        <ci>J_w_A</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_w_A</ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless" type="e-notation">1<sep/>9</cn>
                    <ci>L_A</ci>
                    <ci>A_membrane</ci>
                    <apply>
                        <plus/>
                        <apply>
                            <minus/>
                            <apply>
                                <plus/>
                                <apply>
                                    <times/>
                                    <ci>alpha_1</ci>
                                    <ci>Na_m</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_2</ci>
                                    <ci>Cl_m</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_3</ci>
                                    <ci>glucose_m</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_4</ci>
                                    <ci>K_m</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_5</ci>
                                    <ci>HCO3_m</ci>
                                </apply>
                            </apply>
                            <apply>
                                <plus/>
                                <apply>
                                    <times/>
                                    <ci>alpha_6</ci>
                                    <ci>Na_i</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_7</ci>
                                    <ci>Cl_i</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_8</ci>
                                    <ci>glucose_i</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_9</ci>
                                    <ci>K_i</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_10</ci>
                                    <ci>HCO3_i</ci>
                                </apply>
                                <ci>chi_i</ci>
                            </apply>
                        </apply>
                        <ci>psi</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_w_B</ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless" type="e-notation">1<sep/>9</cn>
                    <ci>L_B</ci>
                    <ci>A_membrane</ci>
                    <apply>
                        <plus/>
                        <apply>
                            <minus/>
                            <apply>
                                <plus/>
                                <apply>
                                    <times/>
                                    <ci>alpha_6</ci>
                                    <ci>Na_i</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_7</ci>
                                    <ci>Cl_i</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_8</ci>
                                    <ci>glucose_i</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_9</ci>
                                    <ci>K_i</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_10</ci>
                                    <ci>HCO3_i</ci>
                                </apply>
                            </apply>
                            <apply>
                                <plus/>
                                <apply>
                                    <times/>
                                    <ci>alpha_11</ci>
                                    <ci>Na_s</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_12</ci>
                                    <ci>Cl_s</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_13</ci>
                                    <ci>glucose_s</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_14</ci>
                                    <ci>K_s</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_15</ci>
                                    <ci>HCO3_s</ci>
                                </apply>
                            </apply>
                        </apply>
                        <ci>chi_i</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_w_P</ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless" type="e-notation">1<sep/>9</cn>
                    <ci>L_P</ci>
                    <ci>A_membrane</ci>
                    <apply>
                        <minus/>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>alpha_1</ci>
                                <ci>Na_m</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>alpha_2</ci>
                                <ci>Cl_m</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>alpha_3</ci>
                                <ci>glucose_m</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>alpha_4</ci>
                                <ci>K_m</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>alpha_5</ci>
                                <ci>HCO3_m</ci>
                            </apply>
                            <ci>psi</ci>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>alpha_11</ci>
                                <ci>Na_s</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>alpha_12</ci>
                                <ci>Cl_s</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>alpha_13</ci>
                                <ci>glucose_s</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>alpha_14</ci>
                                <ci>K_s</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>alpha_15</ci>
                                <ci>HCO3_s</ci>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_D_P_Gl</ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless" type="e-notation">1<sep/>9</cn>
                    <ci>L_P_Gl</ci>
                    <ci>A_membrane</ci>
                    <apply>
                        <minus/>
                        <ci>glucose_m</ci>
                        <ci>glucose_s</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>Gl_net_A</ci>
                </apply>
                <apply>
                    <minus/>
                    <apply>
                        <times/>
                        <apply>
                            <divide/>
                            <cn cellml:units="m3_mole_per_litre_per_umol" type="e-notation">1<sep/>-9</cn>
                            <ci>v_cell</ci>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>theta_26</ci>
                                <ci>J_A_GLUT</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>theta_6</ci>
                                <ci>J_Gl_SGLT</ci>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <times/>
                        <apply>
                            <divide/>
                            <ci>glucose_i</ci>
                            <apply>
                                <times/>
                                <cn cellml:units="dimensionless" type="e-notation">1<sep/>3</cn>
                                <ci>v_cell</ci>
                            </apply>
                        </apply>
                        <cn cellml:units="dimensionless" type="e-notation">1<sep/>-6</cn>
                        <ci>v_w</ci>
                        <apply>
                            <minus/>
                            <ci>J_w_B</ci>
                            <ci>J_w_A</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>Gl_net_B</ci>
                </apply>
                <apply>
                    <minus/>
                    <apply>
                        <times/>
                        <apply>
                            <divide/>
                            <cn cellml:units="m3_mole_per_litre_per_umol" type="e-notation">1<sep/>-9</cn>
                            <ci>v_cell</ci>
                        </apply>
                        <apply>
                            <minus/>
                            <ci>theta_7</ci>
                        </apply>
                        <ci>J_GLUT</ci>
                    </apply>
                    <apply>
                        <times/>
                        <apply>
                            <divide/>
                            <ci>glucose_i</ci>
                            <apply>
                                <times/>
                                <cn cellml:units="dimensionless" type="e-notation">1<sep/>3</cn>
                                <ci>v_cell</ci>
                            </apply>
                        </apply>
                        <cn cellml:units="dimensionless" type="e-notation">1<sep/>-6</cn>
                        <ci>v_w</ci>
                        <apply>
                            <minus/>
                            <ci>J_w_B</ci>
                            <ci>J_w_A</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Net_gl</ci>
                <apply>
                    <minus/>
                    <apply>
                        <plus/>
                        <ci>J_A_GLUT</ci>
                        <ci>J_Gl_SGLT</ci>
                    </apply>
                    <ci>J_GLUT</ci>
                </apply>
            </apply>
            <!--J_D_P_Gl = 1e9{dimensionless}*alpha*L_P*A_membrane*(OS_A-OS_B);
J_D_P_Gl = alpha*J_w_P;-->
            <!--ode(Gl_net_P, time) = J_D_P_Gl;-->
            <apply>
                <eq/>
                <ci>H_int</ci>
                <apply>
                    <power/>
                    <cn cellml:units="dimensionless">10</cn>
                    <apply>
                        <minus/>
                        <ci>pH_int</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>HCO3_i</ci>
                <apply>
                    <times/>
                    <ci>s</ci>
                    <ci>P_CO2</ci>
                    <apply>
                        <power/>
                        <cn cellml:units="dimensionless">10</cn>
                        <apply>
                            <minus/>
                            <ci>pH_int</ci>
                            <ci>p_K</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component name="Blood_concentrations">
        <variable initial_value="0.15" name="Cl_s" public_interface="out" units="M"/>
        <variable initial_value="0.0054" name="K_s" public_interface="out" units="M"/>
        <variable initial_value="0.15" name="Na_s" public_interface="out" units="M"/>
        <variable initial_value="0.004" name="glucose_s" public_interface="out" units="M"/>
        <variable initial_value="8e-17" name="Q_in" public_interface="out" units="m3_per_second"/>
        <variable name="Q_out" public_interface="out" units="m3_per_second"/>
        <variable initial_value="1e-16" name="v_B" public_interface="out" units="m3"/>
        <variable initial_value="0.005" name="glucose_in" public_interface="out" units="M"/>
        <variable initial_value="0.15" name="Cl_in" public_interface="out" units="M"/>
        <variable name="time" public_interface="in" units="second"/>
        <variable name="J_GLUT" public_interface="in" units="umol_per_s"/>
        <!--        var Number: dimensionless {init: 4000000000};-->
        <variable initial_value="0.15" name="Na_in" public_interface="out" units="M"/>
        <variable name="J_Na_NaK" public_interface="in" units="umol_per_s"/>
        <variable name="J_NBC_Na" public_interface="in" units="umol_per_s"/>
        <variable name="J_NaKCC" public_interface="in" units="umol_per_s"/>
        <variable name="J_D_P_Na" public_interface="in" units="umol_per_s"/>
        <variable initial_value="0.0054" name="K_in" public_interface="out" units="M"/>
        <!--var K_out: M {init: 0.0055, pub: out};-->
        <variable name="J_K_NaK" public_interface="in" units="umol_per_s"/>
        <variable name="J_D_P_K" public_interface="in" units="umol_per_s"/>
        <variable name="J_IK" public_interface="in" units="umol_per_s"/>
        <variable name="J_CLC2" public_interface="in" units="umol_per_s"/>
        <variable name="J_D_P_Cl" public_interface="in" units="umol_per_s"/>
        <variable name="J_D_P_Gl" public_interface="in" units="umol_per_s"/>
        <variable initial_value="1.8e-05" name="v_w1" public_interface="out" units="m3_per_mole"/>
        <variable name="J_w_B" public_interface="in" units="umol_per_s"/>
        <variable name="J_w_P" public_interface="in" units="umol_per_s"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>Q_out</ci>
                <apply>
                    <minus/>
                    <ci>Q_in</ci>
                    <apply>
                        <times/>
                        <cn cellml:units="umole_per_mole" type="e-notation">1<sep/>-6</cn>
                        <ci>v_w1</ci>
                        <apply>
                            <plus/>
                            <apply>
                                <plus/>
                                <ci>J_w_P</ci>
                            </apply>
                            <ci>J_w_B</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <!--ode(v_B, time) = 1e-6{umole_per_mole}*v_w1*(-J_w_P-J_w_B);-->
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>glucose_s</ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="dimensionless">1</cn>
                        <ci>v_B</ci>
                    </apply>
                    <apply>
                        <plus/>
                        <apply>
                            <minus/>
                            <apply>
                                <times/>
                                <ci>Q_in</ci>
                                <ci>glucose_in</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>Q_out</ci>
                                <ci>glucose_s</ci>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <cn cellml:units="mole_per_umol" type="e-notation">1<sep/>-9</cn>
                            <apply>
                                <plus/>
                                <ci>J_GLUT</ci>
                                <ci>J_D_P_Gl</ci>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>Na_s</ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="dimensionless">1</cn>
                        <ci>v_B</ci>
                    </apply>
                    <apply>
                        <plus/>
                        <apply>
                            <minus/>
                            <apply>
                                <times/>
                                <ci>Q_in</ci>
                                <ci>Na_in</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>Q_out</ci>
                                <ci>Na_s</ci>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <cn cellml:units="mole_per_umol" type="e-notation">1<sep/>-9</cn>
                            <apply>
                                <plus/>
                                <apply>
                                    <minus/>
                                    <apply>
                                        <minus/>
                                        <apply>
                                            <times/>
                                            <cn cellml:units="dimensionless">1</cn>
                                            <ci>J_Na_NaK</ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <cn cellml:units="dimensionless">1</cn>
                                            <ci>J_NBC_Na</ci>
                                        </apply>
                                    </apply>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless">1</cn>
                                        <ci>J_NaKCC</ci>
                                    </apply>
                                </apply>
                                <apply>
                                    <times/>
                                    <cn cellml:units="dimensionless">1</cn>
                                    <ci>J_D_P_Na</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>K_s</ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="dimensionless">1</cn>
                        <ci>v_B</ci>
                    </apply>
                    <apply>
                        <plus/>
                        <apply>
                            <minus/>
                            <apply>
                                <times/>
                                <ci>Q_in</ci>
                                <ci>K_in</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>Q_out</ci>
                                <ci>K_s</ci>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <cn cellml:units="mole_per_umol" type="e-notation">1<sep/>-9</cn>
                            <apply>
                                <minus/>
                                <apply>
                                    <plus/>
                                    <apply>
                                        <minus/>
                                        <apply>
                                            <times/>
                                            <apply>
                                                <minus/>
                                                <cn cellml:units="dimensionless">1</cn>
                                            </apply>
                                            <ci>J_K_NaK</ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <cn cellml:units="dimensionless">1</cn>
                                            <ci>J_NaKCC</ci>
                                        </apply>
                                    </apply>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless">1</cn>
                                        <ci>J_D_P_K</ci>
                                    </apply>
                                </apply>
                                <apply>
                                    <times/>
                                    <cn cellml:units="dimensionless">1</cn>
                                    <ci>J_IK</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>Cl_s</ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="dimensionless">1</cn>
                        <ci>v_B</ci>
                    </apply>
                    <apply>
                        <plus/>
                        <apply>
                            <minus/>
                            <apply>
                                <times/>
                                <ci>Q_in</ci>
                                <ci>Cl_in</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>Q_out</ci>
                                <ci>Cl_s</ci>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <cn cellml:units="mole_per_umol" type="e-notation">1<sep/>-9</cn>
                            <apply>
                                <minus/>
                                <apply>
                                    <minus/>
                                    <ci>J_CLC2</ci>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless">2</cn>
                                        <ci>J_NaKCC</ci>
                                    </apply>
                                </apply>
                                <ci>J_D_P_Cl</ci>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component name="Basol_voltage">
        <variable initial_value="-0.05" name="v_sc" public_interface="out" units="volt"/>
        <variable name="time" public_interface="in" units="second"/>
        <variable name="capacitance" public_interface="in" units="uF"/>
        <variable name="I_Na_NaK" public_interface="in" units="uA"/>
        <variable name="I_K_NaK" public_interface="in" units="uA"/>
        <variable name="I_D_P_Na" public_interface="in" units="uA"/>
        <variable name="I_D_P_K" public_interface="in" units="uA"/>
        <variable name="I_D_P_Cl" public_interface="in" units="uA"/>
        <variable name="I_NBC_Na" public_interface="in" units="uA"/>
        <variable name="I_NBC_HCO3" public_interface="in" units="uA"/>
        <variable name="I_IK" public_interface="in" units="uA"/>
        <variable name="I_CLC2" public_interface="in" units="uA"/>
        <!--var I_GLUT: uA {pub: in};-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>time</ci>
                    </bvar>
                    <ci>v_sc</ci>
                </apply>
                <apply>
                    <divide/>
                    <apply>
                        <times/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                            <plus/>
                            <apply>
                                <minus/>
                                <apply>
                                    <minus/>
                                    <apply>
                                        <minus/>
                                        <apply>
                                            <minus/>
                                            <apply>
                                                <plus/>
                                                <ci>I_CLC2</ci>
                                                <apply>
                                                    <minus/>
                                                    <ci>I_Na_NaK</ci>
                                                </apply>
                                                <ci>I_K_NaK</ci>
                                                <apply>
                                                    <times/>
                                                    <cn cellml:units="dimensionless">1</cn>
                                                    <ci>I_NBC_Na</ci>
                                                </apply>
                                            </apply>
                                            <apply>
                                                <times/>
                                                <cn cellml:units="dimensionless">1</cn>
                                                <ci>I_NBC_HCO3</ci>
                                            </apply>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <cn cellml:units="dimensionless">1</cn>
                                            <ci>I_D_P_Na</ci>
                                        </apply>
                                    </apply>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless">1</cn>
                                        <ci>I_D_P_K</ci>
                                    </apply>
                                </apply>
                                <apply>
                                    <times/>
                                    <cn cellml:units="dimensionless">1</cn>
                                    <ci>I_D_P_Cl</ci>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>I_IK</ci>
                            </apply>
                        </apply>
                    </apply>
                    <ci>capacitance</ci>
                </apply>
            </apply>
        </math>
    </component>
    <component name="rate_constants">
        <variable name="Na_i" public_interface="in" units="M"/>
        <variable name="Na_m" public_interface="in" units="M"/>
        <variable name="glucose_i" public_interface="in" units="M"/>
        <variable name="glucose_m" public_interface="in" units="M"/>
        <!--var k_12: per_second {pub: out};-->
        <variable name="ks_12" public_interface="out" units="per_M2_per_second"/>
        <variable name="k_21" public_interface="out" units="per_second"/>
        <!--var k_23: per_second {pub: out};-->
        <variable name="k_32" public_interface="out" units="per_second"/>
        <variable name="k_25" public_interface="out" units="per_second"/>
        <variable name="k_52" public_interface="out" units="per_second"/>
        <variable name="k_34" public_interface="out" units="per_second"/>
        <variable name="k_43" public_interface="out" units="per_second"/>
        <variable name="k_45" public_interface="out" units="per_second"/>
        <variable name="k_54" public_interface="out" units="per_second"/>
        <variable name="k_56" public_interface="out" units="per_second"/>
        <variable name="k_65" public_interface="out" units="per_second"/>
        <variable name="k_61" public_interface="out" units="per_second"/>
        <variable name="k_16" public_interface="out" units="per_second"/>
        <variable name="k0_12" public_interface="in" units="per_M2_per_second"/>
        <variable name="k0_21" public_interface="in" units="per_second"/>
        <!--var k0_23: per_M_per_second {pub: in};-->
        <variable name="k0_32" public_interface="in" units="per_second"/>
        <variable name="k0_25" public_interface="in" units="per_second"/>
        <variable name="k0_52" public_interface="in" units="per_second"/>
        <variable name="k0_34" public_interface="in" units="per_second"/>
        <variable name="k0_43" public_interface="in" units="per_second"/>
        <variable name="k0_45" public_interface="in" units="per_second"/>
        <variable name="k0_54" public_interface="in" units="per_M_per_second"/>
        <!--var k0_25: per_second {pub: in};
var k0_52: per_second {pub: in};-->
        <variable name="k0_56" public_interface="in" units="per_second"/>
        <variable name="k0_65" public_interface="in" units="per_M2_per_second"/>
        <variable name="k0_61" public_interface="in" units="per_second"/>
        <variable name="k0_16" public_interface="in" units="per_second"/>
        <!--var k0_54_temp: per_M_per_second {pub: out};-->
        <!--var k_52_temp: per_second {pub: out};-->
        <variable name="delta" public_interface="in" units="dimensionless"/>
        <variable name="n" public_interface="in" units="dimensionless"/>
        <variable name="z_c" public_interface="in" units="dimensionless"/>
        <variable name="z_Na" public_interface="in" units="dimensionless"/>
        <variable name="alpha_p" public_interface="in" units="dimensionless"/>
        <!--var alpha_pp: dimensionless {pub: in};-->
        <!--var C_T: umol {pub: in};-->
        <variable name="mu" public_interface="in" units="dimensionless"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>ks_12</ci>
                <apply>
                    <times/>
                    <ci>k0_12</ci>
                    <apply>
                        <exp/>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <apply>
                                    <minus/>
                                    <ci>n</ci>
                                </apply>
                                <ci>alpha_p</ci>
                                <ci>mu</ci>
                            </apply>
                            <cn cellml:units="dimensionless">2</cn>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <!--        k_12 = ks_12*pow(Na_m, n);-->
            <!--k_12 = k0_12*exp(-alpha_p*mu)*sqr(Na_m);-->
            <apply>
                <eq/>
                <ci>k_21</ci>
                <apply>
                    <times/>
                    <ci>k0_21</ci>
                    <apply>
                        <exp/>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <ci>n</ci>
                                <ci>z_Na</ci>
                                <ci>alpha_p</ci>
                                <ci>mu</ci>
                            </apply>
                            <cn cellml:units="dimensionless">2</cn>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <!--k_23 = k0_23*glucose_m;-->
            <apply>
                <eq/>
                <ci>k_32</ci>
                <ci>k0_32</ci>
            </apply>
            <apply>
                <eq/>
                <ci>k_34</ci>
                <ci>k0_34</ci>
            </apply>
            <apply>
                <eq/>
                <ci>k_43</ci>
                <ci>k0_43</ci>
            </apply>
            <apply>
                <eq/>
                <ci>k_45</ci>
                <ci>k0_45</ci>
            </apply>
            <apply>
                <eq/>
                <ci>k_54</ci>
                <apply>
                    <times/>
                    <ci>k0_54</ci>
                    <ci>glucose_i</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>k_25</ci>
                <ci>k0_25</ci>
            </apply>
            <!--k_52_temp = k0_52*exp((z_c+n)*delta*mu/2{dimensionless});-->
            <apply>
                <eq/>
                <ci>k_56</ci>
                <ci>k0_56</ci>
            </apply>
            <apply>
                <eq/>
                <ci>k_65</ci>
                <apply>
                    <times/>
                    <ci>k0_65</ci>
                    <apply>
                        <power/>
                        <ci>Na_i</ci>
                        <cn cellml:units="dimensionless">2</cn>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>k_61</ci>
                <apply>
                    <times/>
                    <ci>k0_61</ci>
                    <apply>
                        <exp/>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <ci>z_c</ci>
                                <ci>delta</ci>
                                <ci>mu</ci>
                            </apply>
                            <cn cellml:units="dimensionless">2</cn>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>k_16</ci>
                <apply>
                    <times/>
                    <ci>k0_16</ci>
                    <apply>
                        <exp/>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <apply>
                                    <minus/>
                                    <ci>z_c</ci>
                                </apply>
                                <ci>delta</ci>
                                <ci>mu</ci>
                            </apply>
                            <cn cellml:units="dimensionless">2</cn>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>k_52</ci>
                <ci>k0_52</ci>
            </apply>
        </math>
        <!--k0_54_temp = k0_23*k_34*k_45/(k_43*k_32);-->
    </component>
    <component name="phenomonological_constants">
        <variable name="epsilon" public_interface="out" units="per_second"/>
        <variable name="lambda" public_interface="out" units="per_M3_per_second5"/>
        <variable name="chi" public_interface="out" units="M"/>
        <variable name="alpha" public_interface="out" units="M3"/>
        <variable name="beta" public_interface="out" units="M2"/>
        <variable name="gamma" public_interface="out" units="M3_per_second"/>
        <variable name="phi" public_interface="out" units="M_per_second"/>
        <!--var k_12: per_second {pub: in};-->
        <variable name="k_21" public_interface="in" units="per_second"/>
        <!--var k_23: per_second {pub: in};-->
        <variable name="k_32" public_interface="in" units="per_second"/>
        <variable name="k_34" public_interface="in" units="per_second"/>
        <variable name="k_43" public_interface="in" units="per_second"/>
        <variable name="k_45" public_interface="in" units="per_second"/>
        <variable name="k_54" public_interface="in" units="per_second"/>
        <variable name="k_25" public_interface="in" units="per_second"/>
        <variable name="k_52" public_interface="in" units="per_second"/>
        <variable name="k_56" public_interface="in" units="per_second"/>
        <variable name="k_65" public_interface="in" units="per_second"/>
        <variable name="k_61" public_interface="in" units="per_second"/>
        <variable name="k_16" public_interface="in" units="per_second"/>
        <variable name="ks_12" public_interface="in" units="per_M2_per_second"/>
        <variable name="k0_23" public_interface="in" units="per_M_per_second"/>
        <!--var C_T: umol {pub: in};-->
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <variable name="Na_m" public_interface="in" units="M"/>
        <variable name="glucose_m" public_interface="in" units="M"/>
        <variable initial_value="60000000" name="n_SGLT" public_interface="out" units="dimensionless"/>
        <variable name="J_Na_SGLT" public_interface="out" units="umol_per_s"/>
        <variable name="I_Na_SGLT" public_interface="out" units="uA"/>
        <variable name="J_Gl_SGLT" public_interface="out" units="umol_per_s"/>
        <variable name="J_GL_SGLT1" public_interface="out" units="umol_per_s"/>
        <!--var I_Gl_SGLT: uA {pub: out};-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>lambda</ci>
                <apply>
                    <plus/>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_43</ci>
                        <ci>k_54</ci>
                        <ci>k_65</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_34</ci>
                        <ci>k_54</ci>
                        <ci>k_65</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_45</ci>
                        <ci>k_52</ci>
                        <ci>k_65</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_43</ci>
                        <ci>k_52</ci>
                        <ci>k_65</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_34</ci>
                        <ci>k_52</ci>
                        <ci>k_65</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_34</ci>
                        <ci>k_45</ci>
                        <ci>k_65</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_45</ci>
                        <ci>k_56</ci>
                        <ci>k_61</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_43</ci>
                        <ci>k_56</ci>
                        <ci>k_61</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_34</ci>
                        <ci>k_56</ci>
                        <ci>k_61</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_43</ci>
                        <ci>k_54</ci>
                        <ci>k_61</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_34</ci>
                        <ci>k_54</ci>
                        <ci>k_61</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_45</ci>
                        <ci>k_52</ci>
                        <ci>k_61</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_43</ci>
                        <ci>k_52</ci>
                        <ci>k_61</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_34</ci>
                        <ci>k_52</ci>
                        <ci>k_61</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_34</ci>
                        <ci>k_45</ci>
                        <ci>k_61</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>ks_12</ci>
                        <ci>k0_23</ci>
                        <ci>k_34</ci>
                        <ci>k_45</ci>
                        <ci>k_56</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>chi</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="dimensionless">1</cn>
                        <ci>lambda</ci>
                    </apply>
                    <apply>
                        <plus/>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_43</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_34</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_52</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_56</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_54</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_43</ci>
                            <ci>k_54</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_34</ci>
                            <ci>k_54</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_54</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_52</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>ks_12</ci>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_56</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>beta</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="dimensionless">1</cn>
                        <ci>lambda</ci>
                    </apply>
                    <apply>
                        <plus/>
                        <apply>
                            <times/>
                            <ci>k0_23</ci>
                            <ci>k_16</ci>
                            <ci>k_43</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k0_23</ci>
                            <ci>k_16</ci>
                            <ci>k_34</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k0_23</ci>
                            <ci>k_16</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k0_23</ci>
                            <ci>k_16</ci>
                            <ci>k_43</ci>
                            <ci>k_52</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k0_23</ci>
                            <ci>k_16</ci>
                            <ci>k_34</ci>
                            <ci>k_52</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k0_23</ci>
                            <ci>k_16</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k0_23</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k0_23</ci>
                            <ci>k_16</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>alpha</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="dimensionless">1</cn>
                        <ci>lambda</ci>
                    </apply>
                    <apply>
                        <plus/>
                        <apply>
                            <times/>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_25</ci>
                            <ci>k_43</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_21</ci>
                            <ci>k_43</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_25</ci>
                            <ci>k_34</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_21</ci>
                            <ci>k_34</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_54</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_21</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_52</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_52</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_25</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_21</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_65</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_25</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_21</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_56</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_56</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_54</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_21</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_52</ci>
                            <ci>k_61</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_25</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_21</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_56</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_56</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_56</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_54</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_21</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_16</ci>
                            <ci>k_21</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_52</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>gamma</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="dimensionless">1</cn>
                        <ci>lambda</ci>
                    </apply>
                    <ci>k_16</ci>
                    <ci>k_21</ci>
                    <ci>k_65</ci>
                    <apply>
                        <plus/>
                        <apply>
                            <times/>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_54</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                            <ci>k_52</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                            <ci>k_52</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>phi</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <minus/>
                            <cn cellml:units="dimensionless">1</cn>
                        </apply>
                        <ci>lambda</ci>
                    </apply>
                    <ci>ks_12</ci>
                    <ci>k_56</ci>
                    <ci>k_61</ci>
                    <apply>
                        <plus/>
                        <apply>
                            <times/>
                            <ci>k_25</ci>
                            <ci>k_34</ci>
                            <ci>k_45</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_45</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>k_25</ci>
                            <ci>k_32</ci>
                            <ci>k_43</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>epsilon</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <minus/>
                            <cn cellml:units="dimensionless">1</cn>
                        </apply>
                        <ci>lambda</ci>
                    </apply>
                    <ci>ks_12</ci>
                    <ci>k0_23</ci>
                    <ci>k_34</ci>
                    <ci>k_45</ci>
                    <ci>k_56</ci>
                    <ci>k_61</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_Na_SGLT</ci>
                <apply>
                    <divide/>
                    <apply>
                        <times/>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <apply>
                                    <minus/>
                                    <cn cellml:units="dimensionless">2</cn>
                                </apply>
                                <ci>n_SGLT</ci>
                            </apply>
                            <cn cellml:units="per_umol" type="e-notation">6.023<sep/>17</cn>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>epsilon</ci>
                                <apply>
                                    <power/>
                                    <ci>Na_m</ci>
                                    <cn cellml:units="dimensionless">2</cn>
                                </apply>
                                <ci>glucose_m</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>phi</ci>
                                <apply>
                                    <power/>
                                    <ci>Na_m</ci>
                                    <cn cellml:units="dimensionless">2</cn>
                                </apply>
                            </apply>
                            <ci>gamma</ci>
                        </apply>
                    </apply>
                    <apply>
                        <plus/>
                        <ci>alpha</ci>
                        <apply>
                            <times/>
                            <ci>beta</ci>
                            <ci>glucose_m</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>chi</ci>
                            <apply>
                                <power/>
                                <ci>Na_m</ci>
                                <cn cellml:units="dimensionless">2</cn>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <apply>
                                <power/>
                                <ci>Na_m</ci>
                                <cn cellml:units="dimensionless">2</cn>
                            </apply>
                            <ci>glucose_m</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_Na_SGLT</ci>
                <apply>
                    <times/>
                    <ci>J_Na_SGLT</ci>
                    <ci>F</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_Gl_SGLT</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="dimensionless">1</cn>
                        <cn cellml:units="dimensionless">2</cn>
                    </apply>
                    <ci>J_Na_SGLT</ci>
                </apply>
            </apply>
            <!--to change the unit to picomol/hour-->
            <apply>
                <eq/>
                <ci>J_GL_SGLT1</ci>
                <apply>
                    <times/>
                    <ci>J_Gl_SGLT</ci>
                    <cn cellml:units="dimensionless" type="e-notation">36<sep/>8</cn>
                </apply>
            </apply>
        </math>
        <!--I_Gl_SGLT = -J_Gl_SGLT*F;-->
    </component>
    <component name="CFTR">
        <variable name="z_Cl" public_interface="in" units="dimensionless"/>
        <variable name="R" public_interface="in" units="J_per_K_per_mol"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="Cl_i" public_interface="in" units="M"/>
        <variable name="Cl_m" public_interface="in" units="M"/>
        <variable name="V_A_Cl" public_interface="out" units="volt"/>
        <!--var V_A_HCO3: volt {pub: out};-->
        <variable name="v_mc" public_interface="in" units="volt"/>
        <variable name="J_CFTR" public_interface="out" units="umol_per_s"/>
        <variable name="J_CFTR1" public_interface="out" units="umol_per_s"/>
        <!--var J_CFTR_HCO3: umol_per_s {pub: out};-->
        <variable name="I_CFTR" public_interface="out" units="uA"/>
        <!--var I_CFTR_HCO3: uA {pub: out};-->
        <variable name="A_membrane" public_interface="in" units="m2"/>
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <variable initial_value="1.2" name="G_CFTR" public_interface="out" units="S_per_m2"/>
        <!--        var HCO3_i: M {pub: in};
        var HCO3_m: M {pub: in};
        var z_HCO3: dimensionless {init: -1, pub: out};-->
        <!-- alpha is multipled by area in order to have a dimensionless unit-->
        <!--var alpha_CFTR: per_m2 {init: 0.1, pub: out};-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>J_CFTR</ci>
                <apply>
                    <divide/>
                    <ci>I_CFTR</ci>
                    <ci>F</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_CFTR1</ci>
                <apply>
                    <times/>
                    <ci>J_CFTR</ci>
                    <cn cellml:units="dimensionless" type="e-notation">36<sep/>8</cn>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>V_A_Cl</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci>R</ci>
                            <ci>T</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>z_Cl</ci>
                            <ci>F</ci>
                        </apply>
                    </apply>
                    <apply>
                        <ln/>
                        <apply>
                            <divide/>
                            <ci>Cl_m</ci>
                            <ci>Cl_i</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_CFTR</ci>
                <apply>
                    <times/>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless" type="e-notation">1<sep/>6</cn>
                    </apply>
                    <ci>G_CFTR</ci>
                    <ci>A_membrane</ci>
                    <apply>
                        <minus/>
                        <ci>v_mc</ci>
                        <ci>V_A_Cl</ci>
                    </apply>
                </apply>
            </apply>
        </math>
        <!--        V_A_HCO3 = R*T/(z_HCO3*F)*ln(HCO3_m/HCO3_i);
        I_CFTR_HCO3 = 0.25e6{dimensionless}*G_CFTR*A_membrane*(v_mc-V_A_HCO3);
        J_CFTR_HCO3 = I_CFTR_HCO3/F;-->
    </component>
    <component name="CLC2">
        <variable name="z_Cl" public_interface="in" units="dimensionless"/>
        <variable name="R" public_interface="in" units="J_per_K_per_mol"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="Cl_i" public_interface="in" units="M"/>
        <variable name="Cl_s" public_interface="in" units="M"/>
        <variable name="V_A_Cl" public_interface="out" units="volt"/>
        <variable name="v_sc" public_interface="in" units="volt"/>
        <variable name="J_CLC2" public_interface="out" units="umol_per_s"/>
        <variable name="I_CLC2" public_interface="out" units="uA"/>
        <variable name="A_membrane" public_interface="in" units="m2"/>
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <variable initial_value="1" name="G_CLC2" public_interface="out" units="S_per_m2"/>
        <!-- alpha is multipled by area in order to have a dimensionless unit-->
        <!--var alpha_CFTR: per_m2 {init: 0.1, pub: out};-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>J_CLC2</ci>
                <apply>
                    <divide/>
                    <ci>I_CLC2</ci>
                    <ci>F</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>V_A_Cl</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci>R</ci>
                            <ci>T</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>z_Cl</ci>
                            <ci>F</ci>
                        </apply>
                    </apply>
                    <apply>
                        <ln/>
                        <apply>
                            <divide/>
                            <ci>Cl_s</ci>
                            <ci>Cl_i</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_CLC2</ci>
                <apply>
                    <times/>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless" type="e-notation">1<sep/>6</cn>
                    </apply>
                    <ci>G_CLC2</ci>
                    <ci>A_membrane</ci>
                    <apply>
                        <minus/>
                        <ci>v_sc</ci>
                        <ci>V_A_Cl</ci>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component name="ENaC">
        <variable name="z_Na" public_interface="in" units="dimensionless"/>
        <variable name="R" public_interface="in" units="J_per_K_per_mol"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="Na_i" public_interface="in" units="M"/>
        <variable name="Na_m" public_interface="in" units="M"/>
        <variable name="V_A_Na" public_interface="out" units="volt"/>
        <variable name="v_mc" public_interface="in" units="volt"/>
        <variable name="J_ENaC" public_interface="out" units="umol_per_s"/>
        <variable name="J_ENaC1" public_interface="out" units="umol_per_s"/>
        <variable name="I_ENaC" public_interface="out" units="uA"/>
        <variable name="A_membrane" public_interface="in" units="m2"/>
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <variable initial_value="1.6" name="G_ENaC" public_interface="out" units="S_per_m2"/>
        <!-- alpha is not multipled by area in order to have a dimensionless unit, so the unit is actually 1/m2, it's necessary to the same for CFTR as well-->
        <!--var alpha_ENaC: per_m2 {init: 0.1, pub: out};-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>J_ENaC</ci>
                <apply>
                    <divide/>
                    <ci>I_ENaC</ci>
                    <ci>F</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_ENaC1</ci>
                <apply>
                    <times/>
                    <ci>J_ENaC</ci>
                    <cn cellml:units="dimensionless" type="e-notation">36<sep/>8</cn>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>V_A_Na</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci>R</ci>
                            <ci>T</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>z_Na</ci>
                            <ci>F</ci>
                        </apply>
                    </apply>
                    <apply>
                        <ln/>
                        <apply>
                            <divide/>
                            <ci>Na_m</ci>
                            <ci>Na_i</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_ENaC</ci>
                <apply>
                    <times/>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless" type="e-notation">1<sep/>+6</cn>
                    </apply>
                    <ci>G_ENaC</ci>
                    <ci>A_membrane</ci>
                    <apply>
                        <minus/>
                        <ci>v_mc</ci>
                        <ci>V_A_Na</ci>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component name="NaKCC">
        <variable name="A_membrane" public_interface="in" units="m2"/>
        <variable name="S_C" public_interface="out" units="M"/>
        <variable name="J_NaKCC" public_interface="out" units="umol_per_s"/>
        <variable name="I_NaKCC" public_interface="out" units="uA"/>
        <variable name="Na_i" public_interface="in" units="M"/>
        <variable name="K_i" public_interface="in" units="M"/>
        <variable name="Cl_i" public_interface="in" units="M"/>
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <variable name="u_NaKCC" public_interface="out" units="per_second"/>
        <variable initial_value="157.55" name="gamma_1" public_interface="out" units="per_second2"/>
        <variable initial_value="20000000" name="gamma_2" public_interface="out" units="per_M4_per_second2"/>
        <variable initial_value="1.03" name="gamma_3" public_interface="out" units="per_second"/>
        <variable initial_value="1380000" name="gamma_4" public_interface="out" units="per_M4_per_second"/>
        <variable initial_value="1e-09" name="alpha_NaKCC" public_interface="out" units="mole_per_m2"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>S_C</ci>
                <apply>
                    <times/>
                    <ci>Na_i</ci>
                    <ci>Cl_i</ci>
                    <ci>Cl_i</ci>
                    <ci>K_i</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>u_NaKCC</ci>
                <apply>
                    <divide/>
                    <apply>
                        <minus/>
                        <ci>gamma_1</ci>
                        <apply>
                            <times/>
                            <ci>gamma_2</ci>
                            <ci>S_C</ci>
                        </apply>
                    </apply>
                    <apply>
                        <plus/>
                        <ci>gamma_3</ci>
                        <apply>
                            <times/>
                            <ci>gamma_4</ci>
                            <ci>S_C</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_NaKCC</ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless" type="e-notation">1<sep/>6</cn>
                    <ci>alpha_NaKCC</ci>
                    <ci>u_NaKCC</ci>
                    <ci>A_membrane</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_NaKCC</ci>
                <apply>
                    <times/>
                    <ci>J_NaKCC</ci>
                    <ci>F</ci>
                </apply>
            </apply>
        </math>
    </component>
    <component name="A_GLUT2">
        <variable initial_value="1000" name="K_12" public_interface="out" units="per_M_per_second"/>
        <variable initial_value="12.6" name="K_21" public_interface="out" units="per_second"/>
        <variable initial_value="1350" name="K_23" public_interface="out" units="per_second"/>
        <variable initial_value="90" name="K_32" public_interface="out" units="per_second"/>
        <variable initial_value="12.6" name="K_34" public_interface="out" units="per_second"/>
        <variable initial_value="1000" name="K_43" public_interface="out" units="per_M_per_second"/>
        <variable initial_value="0.8" name="K_41" public_interface="out" units="per_second"/>
        <variable initial_value="12" name="K_14" public_interface="out" units="per_second"/>
        <!--        var C_1:  M {init: 1e-3, pub: out};
        var C_2:  M {init: 0, pub: out};-->
        <variable name="glucose_i" public_interface="in" units="M"/>
        <variable name="glucose_m" public_interface="in" units="M"/>
        <!--        var CS_1:  M {pub: out};
        var CS_2:  M {pub: out};-->
        <variable name="K_S" public_interface="out" units="M"/>
        <variable name="J_A_GLUT" public_interface="out" units="umol_per_s"/>
        <variable name="C_tot" public_interface="out" units="umol"/>
        <variable initial_value="2e8" name="n_GLUT" public_interface="out" units="dimensionless"/>
        <variable name="D" public_interface="out" units="per_second"/>
        <variable name="J_A_GLUT1" public_interface="out" units="umol_per_s"/>
        <!--var time: second {init: 0, pub: out};-->
        <variable name="v_cell" public_interface="in" units="m3"/>
        <!--var I_GLUT: uA {pub: out};-->
        <!--var n_GLUT: dimensionless {init: 13.2e7};
var F: C_per_mol {pub: in};-->
        <!--        D = sel
            case (glucose_m > 0.02{M}):
                (1{dimensionless}+glucose_i/K_S)*(K_32*glucose_m/K_S+K_41)+(1{dimensionless}+glucose_m/K_S)*(K_23*glucose_i/K_S+K_14);
            case glucose_m < 0.02{M}:
                1e100{per_second};
        endsel;-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>C_tot</ci>
                <apply>
                    <divide/>
                    <ci>n_GLUT</ci>
                    <cn cellml:units="per_umole" type="e-notation">6.022<sep/>17</cn>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>K_S</ci>
                <apply>
                    <divide/>
                    <ci>K_21</ci>
                    <ci>K_12</ci>
                </apply>
            </apply>
            <!--        CS_1 = C_tot* ((K_32*(S_2)/K_S) + K_41)*(S_1/K_S);
        CS_2 = C_tot* ((K_23*(S_1)/K_S) + K_14)*(S_2/K_S);-->
            <apply>
                <eq/>
                <ci>J_A_GLUT</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <ci>C_tot</ci>
                        <ci>D</ci>
                    </apply>
                    <apply>
                        <minus/>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <ci>K_32</ci>
                                <ci>K_14</ci>
                                <ci>glucose_m</ci>
                            </apply>
                            <ci>K_S</ci>
                        </apply>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <ci>K_23</ci>
                                <ci>K_41</ci>
                                <ci>glucose_i</ci>
                            </apply>
                            <ci>K_S</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_A_GLUT1</ci>
                <apply>
                    <times/>
                    <ci>J_A_GLUT</ci>
                    <cn cellml:units="dimensionless" type="e-notation">36<sep/>8</cn>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>D</ci>
                <apply>
                    <plus/>
                    <apply>
                        <times/>
                        <apply>
                            <plus/>
                            <cn cellml:units="dimensionless">1</cn>
                            <apply>
                                <divide/>
                                <ci>glucose_m</ci>
                                <ci>K_S</ci>
                            </apply>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <divide/>
                                <apply>
                                    <times/>
                                    <ci>K_23</ci>
                                    <ci>glucose_i</ci>
                                </apply>
                                <ci>K_S</ci>
                            </apply>
                            <ci>K_14</ci>
                        </apply>
                    </apply>
                    <apply>
                        <times/>
                        <apply>
                            <plus/>
                            <cn cellml:units="dimensionless">1</cn>
                            <apply>
                                <divide/>
                                <ci>glucose_i</ci>
                                <ci>K_S</ci>
                            </apply>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <divide/>
                                <apply>
                                    <times/>
                                    <ci>K_32</ci>
                                    <ci>glucose_m</ci>
                                </apply>
                                <ci>K_S</ci>
                            </apply>
                            <ci>K_41</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component name="GLUT2">
        <variable initial_value="1000" name="K_12" public_interface="out" units="per_M_per_second"/>
        <variable initial_value="12.6" name="K_21" public_interface="out" units="per_second"/>
        <variable initial_value="1350" name="K_23" public_interface="out" units="per_second"/>
        <variable initial_value="90" name="K_32" public_interface="out" units="per_second"/>
        <variable initial_value="12.6" name="K_34" public_interface="out" units="per_second"/>
        <variable initial_value="1000" name="K_43" public_interface="out" units="per_M_per_second"/>
        <variable initial_value="0.8" name="K_41" public_interface="out" units="per_second"/>
        <variable initial_value="12" name="K_14" public_interface="out" units="per_second"/>
        <!--        var C_1:  M {init: 1e-3, pub: out};
        var C_2:  M {init: 0, pub: out};-->
        <variable name="glucose_i" public_interface="in" units="M"/>
        <variable name="glucose_s" public_interface="in" units="M"/>
        <!--        var CS_1:  M {pub: out};
        var CS_2:  M {pub: out};-->
        <variable name="K_S" public_interface="out" units="M"/>
        <variable name="J_GLUT" public_interface="out" units="umol_per_s"/>
        <variable name="C_tot" public_interface="out" units="umol"/>
        <variable initial_value="2e8" name="n_GLUT" public_interface="out" units="dimensionless"/>
        <variable name="D" public_interface="out" units="per_second"/>
        <variable name="J_GLUT1" public_interface="out" units="umol_per_s"/>
        <!--var time: second {init: 0, pub: out};-->
        <variable name="v_cell" public_interface="in" units="m3"/>
        <!--var I_GLUT: uA {pub: out};-->
        <!--var n_GLUT: dimensionless {init: 13.2e7};
var F: C_per_mol {pub: in};-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>C_tot</ci>
                <apply>
                    <divide/>
                    <ci>n_GLUT</ci>
                    <cn cellml:units="per_umole" type="e-notation">6.022<sep/>17</cn>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>K_S</ci>
                <apply>
                    <divide/>
                    <ci>K_21</ci>
                    <ci>K_12</ci>
                </apply>
            </apply>
            <!--        CS_1 = C_tot* ((K_32*(S_2)/K_S) + K_41)*(S_1/K_S);
        CS_2 = C_tot* ((K_23*(S_1)/K_S) + K_14)*(S_2/K_S);-->
            <apply>
                <eq/>
                <ci>J_GLUT</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <ci>C_tot</ci>
                        <ci>D</ci>
                    </apply>
                    <apply>
                        <minus/>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <ci>K_23</ci>
                                <ci>K_41</ci>
                                <ci>glucose_i</ci>
                            </apply>
                            <ci>K_S</ci>
                        </apply>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <ci>K_32</ci>
                                <ci>K_14</ci>
                                <ci>glucose_s</ci>
                            </apply>
                            <ci>K_S</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_GLUT1</ci>
                <apply>
                    <times/>
                    <ci>J_GLUT</ci>
                    <cn cellml:units="dimensionless" type="e-notation">36<sep/>8</cn>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>D</ci>
                <apply>
                    <plus/>
                    <apply>
                        <times/>
                        <apply>
                            <plus/>
                            <cn cellml:units="dimensionless">1</cn>
                            <apply>
                                <divide/>
                                <ci>glucose_i</ci>
                                <ci>K_S</ci>
                            </apply>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <divide/>
                                <apply>
                                    <times/>
                                    <ci>K_32</ci>
                                    <ci>glucose_s</ci>
                                </apply>
                                <ci>K_S</ci>
                            </apply>
                            <ci>K_41</ci>
                        </apply>
                    </apply>
                    <apply>
                        <times/>
                        <apply>
                            <plus/>
                            <cn cellml:units="dimensionless">1</cn>
                            <apply>
                                <divide/>
                                <ci>glucose_s</ci>
                                <ci>K_S</ci>
                            </apply>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <divide/>
                                <apply>
                                    <times/>
                                    <ci>K_23</ci>
                                    <ci>glucose_i</ci>
                                </apply>
                                <ci>K_S</ci>
                            </apply>
                            <ci>K_14</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component name="NaK_channel">
        <!--        var time: second {pub: in};-->
        <variable name="v_sc" public_interface="in" units="volt"/>
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <variable name="K_s" public_interface="in" units="M"/>
        <variable name="Na_i" public_interface="in" units="M"/>
        <variable name="TO_NaK" public_interface="out" units="per_second"/>
        <variable initial_value="5000000" name="n_NaK" public_interface="out" units="dimensionless"/>
        <variable initial_value="0.01" name="K_Na_i_half" public_interface="out" units="M"/>
        <variable initial_value="0.0015" name="K_K_s_half" public_interface="out" units="M"/>
        <variable name="I_Na_NaK" public_interface="out" units="uA"/>
        <variable name="I_K_NaK" public_interface="out" units="uA"/>
        <variable name="J_NaK" public_interface="out" units="umol_per_s"/>
        <variable name="J_Na_NaK" public_interface="out" units="umol_per_s"/>
        <variable name="J_K_NaK" public_interface="out" units="umol_per_s"/>
        <!--var J_K_NaK: umol_per_s {pub: out};-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>I_K_NaK</ci>
                <apply>
                    <times/>
                    <ci>J_K_NaK</ci>
                    <ci>F</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_Na_NaK</ci>
                <apply>
                    <times/>
                    <ci>J_Na_NaK</ci>
                    <ci>F</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_NaK</ci>
                <apply>
                    <divide/>
                    <apply>
                        <times/>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <apply>
                                    <divide/>
                                    <apply>
                                        <times/>
                                        <ci>TO_NaK</ci>
                                        <ci>n_NaK</ci>
                                    </apply>
                                    <cn cellml:units="per_umol" type="e-notation">6.023<sep/>17</cn>
                                </apply>
                                <apply>
                                    <power/>
                                    <ci>Na_i</ci>
                                    <cn cellml:units="dimensionless">1.36</cn>
                                </apply>
                                <cn cellml:units="dimensionless">1.13</cn>
                            </apply>
                            <apply>
                                <plus/>
                                <apply>
                                    <power/>
                                    <ci>K_Na_i_half</ci>
                                    <cn cellml:units="dimensionless">1.36</cn>
                                </apply>
                                <apply>
                                    <power/>
                                    <ci>Na_i</ci>
                                    <cn cellml:units="dimensionless">1.36</cn>
                                </apply>
                            </apply>
                        </apply>
                        <cn cellml:units="dimensionless">1.3</cn>
                        <ci>K_s</ci>
                    </apply>
                    <apply>
                        <plus/>
                        <ci>K_K_s_half</ci>
                        <ci>K_s</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>TO_NaK</ci>
                <apply>
                    <plus/>
                    <apply>
                        <minus/>
                        <apply>
                            <minus/>
                            <apply>
                                <times/>
                                <cn cellml:units="per_volt4_per_second" type="e-notation">5.46<sep/>+4</cn>
                                <apply>
                                    <power/>
                                    <ci>v_sc</ci>
                                    <cn cellml:units="dimensionless">4</cn>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <cn cellml:units="per_volt3_per_second" type="e-notation">2.43<sep/>+2</cn>
                                <apply>
                                    <power/>
                                    <ci>v_sc</ci>
                                    <cn cellml:units="dimensionless">3</cn>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <cn cellml:units="per_volt2_per_second" type="e-notation">2<sep/>+3</cn>
                            <apply>
                                <power/>
                                <ci>v_sc</ci>
                                <cn cellml:units="dimensionless">2</cn>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <times/>
                        <cn cellml:units="per_volt_per_second">160</cn>
                        <ci>v_sc</ci>
                    </apply>
                    <cn cellml:units="per_second">51</cn>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_Na_NaK</ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless">3</cn>
                    <ci>J_NaK</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_K_NaK</ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless">2</cn>
                    <ci>J_NaK</ci>
                </apply>
            </apply>
        </math>
        <!--J_Na_NaK = -108e8{dimensionless}*J_NaK;-->
        <!--J_K_NaK = -72e8{dimensionless}*J_NaK;-->
    </component>
    <component name="NBC">
        <variable name="time" public_interface="in" units="second"/>
        <variable name="A_membrane" public_interface="in" units="m2"/>
        <variable name="v_sc" public_interface="in" units="volt"/>
        <variable name="v_cell" public_interface="in" units="m3"/>
        <variable name="Na_i" public_interface="in" units="M"/>
        <variable name="Na_s" public_interface="in" units="M"/>
        <variable name="HCO3_i" public_interface="in" units="M"/>
        <variable name="HCO3_s" public_interface="in" units="M"/>
        <variable initial_value="0.08" name="g_NBC" public_interface="out" units="S_per_m2"/>
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <variable name="R" public_interface="in" units="J_per_K_per_mol"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <!--kelvin {init: 300};-->
        <variable initial_value="2" name="n" units="dimensionless"/>
        <!--var eps: M {init: 1e-12};-->
        <variable name="E_NBC" public_interface="out" units="volt"/>
        <variable name="J_NBC_Na" public_interface="out" units="umol_per_s"/>
        <variable name="J_NBC_HCO3" public_interface="out" units="umol_per_s"/>
        <variable name="I_NBC_Na" public_interface="out" units="uA"/>
        <variable name="I_NBC_HCO3" public_interface="out" units="uA"/>
        <variable initial_value="1e-18" name="eps" units="M"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>E_NBC</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci>R</ci>
                            <ci>T</ci>
                        </apply>
                        <apply>
                            <times/>
                            <apply>
                                <minus/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>n</ci>
                            </apply>
                            <ci>F</ci>
                        </apply>
                    </apply>
                    <apply>
                        <ln/>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <apply>
                                    <divide/>
                                    <ci>Na_s</ci>
                                    <ci>Na_i</ci>
                                </apply>
                                <apply>
                                    <power/>
                                    <ci>HCO3_s</ci>
                                    <cn cellml:units="dimensionless">2</cn>
                                </apply>
                            </apply>
                            <apply>
                                <power/>
                                <ci>HCO3_i</ci>
                                <cn cellml:units="dimensionless">2</cn>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_NBC_Na</ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless" type="e-notation">1<sep/>6</cn>
                    <ci>g_NBC</ci>
                    <ci>A_membrane</ci>
                    <apply>
                        <minus/>
                        <ci>v_sc</ci>
                        <ci>E_NBC</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_NBC_HCO3</ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless">3.0</cn>
                    <ci>I_NBC_Na</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_NBC_Na</ci>
                <apply>
                    <divide/>
                    <ci>I_NBC_Na</ci>
                    <ci>F</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_NBC_HCO3</ci>
                <apply>
                    <divide/>
                    <ci>I_NBC_HCO3</ci>
                    <ci>F</ci>
                </apply>
            </apply>
        </math>
    </component>
    <component name="NHE3">
        <variable name="A_membrane" public_interface="in" units="m2"/>
        <variable name="v_cell" public_interface="in" units="m3"/>
        <variable name="Na_m" public_interface="in" units="M"/>
        <variable name="Na_i" public_interface="in" units="M"/>
        <variable name="H_Ext" public_interface="in" units="M"/>
        <variable name="H_int" public_interface="in" units="M"/>
        <variable initial_value="0" name="NH4_ext" public_interface="out" units="M"/>
        <variable initial_value="0" name="NH4_int" public_interface="out" units="M"/>
        <variable name="J_NHE3_Na" public_interface="out" units="umol_per_s"/>
        <variable name="J_NHE3_H1" public_interface="out" units="umol_per_s"/>
        <variable name="J_NHE3_H" public_interface="out" units="umol_per_s"/>
        <variable name="J_NHE3_NH4" public_interface="out" units="umol_per_s"/>
        <variable name="J_NHE3_Na_Max" public_interface="out" units="umol_per_s"/>
        <variable name="I_NHE3_H" public_interface="out" units="uA"/>
        <variable name="I_NHE3_Na" public_interface="out" units="uA"/>
        <variable initial_value="0.001" name="x_T" units="M"/>
        <variable name="sigma" units="per_second"/>
        <variable name="P_Na" units="per_second"/>
        <variable name="P_H" units="per_second"/>
        <variable name="P_NH4" units="per_second"/>
        <variable initial_value="1.6" name="P0_Na" units="per_second"/>
        <variable initial_value="0.48" name="P0_H" units="per_second"/>
        <variable initial_value="1.6" name="P0_NH4" units="per_second"/>
        <variable initial_value="0.03" name="K_Na" units="M"/>
        <variable initial_value="7.2e-08" name="K_H" units="M"/>
        <variable initial_value="0.027" name="K_NH4" units="M"/>
        <variable initial_value="1e-09" name="K_I" units="M"/>
        <variable initial_value="0" name="f_m" units="dimensionless"/>
        <variable initial_value="2" name="f_M" units="dimensionless"/>
        <variable name="alpha_ext_Na" units="dimensionless"/>
        <variable name="alpha_int_Na" units="dimensionless"/>
        <variable name="beta_ext_H" units="dimensionless"/>
        <variable name="beta_int_H" units="dimensionless"/>
        <variable name="gamma_ext_NH4" units="dimensionless"/>
        <variable name="gamma_int_NH4" units="dimensionless"/>
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <!--        var pH_Ext: dimensionless;
        var pH_int: dimensionless;
        var p_K: dimensionless {init: 6.1, pub: out};
        var P_CO2: dimensionless {init: 40, pub: out};
        var s: dimensionless {init: 0.03e-3, pub: out};
        var HCO3_i: M {pub: in};
        var HCO3_m: M {pub: in};-->
        <!--        pH_Ext = p_K+log(HCO3_m/(s*P_CO2));
        pH_int = p_K+log(HCO3_i/(s*P_CO2));-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>alpha_ext_Na</ci>
                <apply>
                    <divide/>
                    <ci>Na_m</ci>
                    <ci>K_Na</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>alpha_int_Na</ci>
                <apply>
                    <divide/>
                    <ci>Na_i</ci>
                    <ci>K_Na</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>beta_ext_H</ci>
                <apply>
                    <divide/>
                    <ci>H_Ext</ci>
                    <ci>K_H</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>beta_int_H</ci>
                <apply>
                    <divide/>
                    <ci>H_int</ci>
                    <ci>K_H</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>gamma_ext_NH4</ci>
                <apply>
                    <divide/>
                    <ci>NH4_ext</ci>
                    <ci>K_NH4</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>gamma_int_NH4</ci>
                <apply>
                    <divide/>
                    <ci>NH4_int</ci>
                    <ci>K_NH4</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>P_Na</ci>
                <apply>
                    <divide/>
                    <apply>
                        <times/>
                        <ci>P0_Na</ci>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>f_M</ci>
                                <ci>H_int</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>f_m</ci>
                                <ci>K_I</ci>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <plus/>
                        <ci>H_int</ci>
                        <ci>K_I</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>P_H</ci>
                <apply>
                    <divide/>
                    <apply>
                        <times/>
                        <ci>P0_H</ci>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>f_M</ci>
                                <ci>H_int</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>f_m</ci>
                                <ci>K_I</ci>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <plus/>
                        <ci>H_int</ci>
                        <ci>K_I</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>P_NH4</ci>
                <apply>
                    <divide/>
                    <apply>
                        <times/>
                        <ci>P0_NH4</ci>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>f_M</ci>
                                <ci>H_int</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>f_m</ci>
                                <ci>K_I</ci>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <plus/>
                        <ci>H_int</ci>
                        <ci>K_I</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>sigma</ci>
                <apply>
                    <plus/>
                    <apply>
                        <times/>
                        <apply>
                            <plus/>
                            <cn cellml:units="dimensionless">1</cn>
                            <ci>alpha_ext_Na</ci>
                            <ci>beta_ext_H</ci>
                            <ci>gamma_ext_NH4</ci>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>P_Na</ci>
                                <ci>alpha_int_Na</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>P_H</ci>
                                <ci>beta_int_H</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>P_NH4</ci>
                                <ci>gamma_int_NH4</ci>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <times/>
                        <apply>
                            <plus/>
                            <cn cellml:units="dimensionless">1</cn>
                            <ci>alpha_int_Na</ci>
                            <ci>beta_int_H</ci>
                            <ci>gamma_int_NH4</ci>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>P_Na</ci>
                                <ci>alpha_ext_Na</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>P_H</ci>
                                <ci>beta_ext_H</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>P_NH4</ci>
                                <ci>gamma_ext_NH4</ci>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_NHE3_Na</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <apply>
                                <minus/>
                                <cn cellml:units="dimensionless" type="e-notation">1<sep/>9</cn>
                            </apply>
                            <ci>v_cell</ci>
                            <ci>x_T</ci>
                        </apply>
                        <ci>sigma</ci>
                    </apply>
                    <apply>
                        <plus/>
                        <apply>
                            <times/>
                            <ci>P_Na</ci>
                            <ci>P_H</ci>
                            <apply>
                                <minus/>
                                <apply>
                                    <times/>
                                    <ci>alpha_int_Na</ci>
                                    <ci>beta_ext_H</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_ext_Na</ci>
                                    <ci>beta_int_H</ci>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <ci>P_Na</ci>
                            <ci>P_NH4</ci>
                            <apply>
                                <minus/>
                                <apply>
                                    <times/>
                                    <ci>alpha_int_Na</ci>
                                    <ci>gamma_ext_NH4</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_ext_Na</ci>
                                    <ci>gamma_int_NH4</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_NHE3_H</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <apply>
                                <minus/>
                                <cn cellml:units="dimensionless" type="e-notation">1<sep/>9</cn>
                            </apply>
                            <ci>v_cell</ci>
                            <ci>x_T</ci>
                        </apply>
                        <ci>sigma</ci>
                    </apply>
                    <apply>
                        <plus/>
                        <apply>
                            <times/>
                            <ci>P_Na</ci>
                            <ci>P_H</ci>
                            <apply>
                                <minus/>
                                <apply>
                                    <times/>
                                    <ci>alpha_ext_Na</ci>
                                    <ci>beta_int_H</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_int_Na</ci>
                                    <ci>beta_ext_H</ci>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <ci>P_H</ci>
                            <ci>P_NH4</ci>
                            <apply>
                                <minus/>
                                <apply>
                                    <times/>
                                    <ci>beta_int_H</ci>
                                    <ci>gamma_ext_NH4</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>beta_ext_H</ci>
                                    <ci>gamma_int_NH4</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_NHE3_H1</ci>
                <apply>
                    <times/>
                    <ci>J_NHE3_H</ci>
                    <cn cellml:units="dimensionless" type="e-notation">36<sep/>8</cn>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_NHE3_NH4</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <ci>x_T</ci>
                        <ci>sigma</ci>
                    </apply>
                    <apply>
                        <plus/>
                        <apply>
                            <times/>
                            <ci>P_Na</ci>
                            <ci>P_NH4</ci>
                            <apply>
                                <minus/>
                                <apply>
                                    <times/>
                                    <ci>alpha_ext_Na</ci>
                                    <ci>gamma_int_NH4</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>alpha_int_Na</ci>
                                    <ci>gamma_ext_NH4</ci>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <ci>P_H</ci>
                            <ci>P_NH4</ci>
                            <apply>
                                <minus/>
                                <apply>
                                    <times/>
                                    <ci>beta_ext_H</ci>
                                    <ci>gamma_int_NH4</ci>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci>gamma_ext_NH4</ci>
                                    <ci>beta_int_H</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_NHE3_Na_Max</ci>
                <apply>
                    <divide/>
                    <apply>
                        <times/>
                        <ci>x_T</ci>
                        <ci>P_Na</ci>
                        <ci>P_H</ci>
                    </apply>
                    <apply>
                        <plus/>
                        <ci>P_Na</ci>
                        <ci>P_H</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_NHE3_H</ci>
                <apply>
                    <times/>
                    <ci>J_NHE3_H</ci>
                    <ci>F</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_NHE3_Na</ci>
                <apply>
                    <times/>
                    <ci>J_NHE3_Na</ci>
                    <ci>F</ci>
                </apply>
            </apply>
        </math>
    </component>
    <component name="AE1">
        <!--var A_membrane: m2 {pub: in};-->
        <variable name="A_membrane" public_interface="in" units="m2"/>
        <variable name="v_cell" public_interface="in" units="m3"/>
        <variable name="HCO3_i" public_interface="in" units="M"/>
        <variable name="HCO3_m" public_interface="in" units="M"/>
        <variable name="Cl_i" public_interface="in" units="M"/>
        <variable name="Cl_m" public_interface="in" units="M"/>
        <variable name="J_AE1_HCO3" public_interface="out" units="umol_per_s"/>
        <!--var J_AE1_HCO31: umol_per_s {pub: out};-->
        <variable name="J_AE1_Cl" public_interface="out" units="umol_per_s"/>
        <!--var J_AE1_Cl1: umol_per_s {pub: out};-->
        <variable name="I_AE1_HCO3" public_interface="out" units="uA"/>
        <variable name="I_AE1_Cl" public_interface="out" units="uA"/>
        <variable name="J_HCO3_influx" public_interface="out" units="umol_per_s"/>
        <variable name="J_Cl_influx" public_interface="out" units="umol_per_s"/>
        <variable initial_value="0.198" name="K_HCO3_m" units="M"/>
        <variable initial_value="0.198" name="K_HCO3_i" units="M"/>
        <variable initial_value="0.05" name="K_Cl_s" units="M"/>
        <variable initial_value="0.05" name="K_Cl_i" units="M"/>
        <variable initial_value="1247" name="P_HCO3_m" units="per_second"/>
        <variable initial_value="135" name="P_HCO3_i" units="per_second"/>
        <variable initial_value="562" name="P_Cl_s" units="per_second"/>
        <variable initial_value="61" name="P_Cl_i" units="per_second"/>
        <variable name="beta_ext" units="dimensionless"/>
        <variable name="beta_int" units="dimensionless"/>
        <variable name="gamma_ext" units="dimensionless"/>
        <variable name="gamma_int" units="dimensionless"/>
        <variable name="sigma" units="per_second"/>
        <variable initial_value="0.001" name="x_Tmax" units="M"/>
        <variable initial_value="0.172" name="K_I" units="M"/>
        <variable name="x_T" units="M"/>
        <variable name="x_ext" units="M"/>
        <variable name="x_int" units="M"/>
        <variable name="Jo_bm" units="umol_per_s"/>
        <variable name="Ji_bm" units="umol_per_s"/>
        <variable name="Js_bm" units="umol_per_s"/>
        <variable name="Jo_cm" units="umol_per_s"/>
        <variable name="Ji_cm" units="umol_per_s"/>
        <variable name="Js_cm" units="umol_per_s"/>
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>x_T</ci>
                <apply>
                    <divide/>
                    <ci>x_Tmax</ci>
                    <apply>
                        <plus/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                            <divide/>
                            <ci>HCO3_i</ci>
                            <ci>K_I</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>beta_ext</ci>
                <apply>
                    <divide/>
                    <ci>HCO3_m</ci>
                    <ci>K_HCO3_m</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>beta_int</ci>
                <apply>
                    <divide/>
                    <ci>HCO3_i</ci>
                    <ci>K_HCO3_i</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>gamma_ext</ci>
                <apply>
                    <divide/>
                    <ci>Cl_m</ci>
                    <ci>K_Cl_s</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>gamma_int</ci>
                <apply>
                    <divide/>
                    <ci>Cl_i</ci>
                    <ci>K_Cl_i</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>sigma</ci>
                <apply>
                    <plus/>
                    <apply>
                        <times/>
                        <apply>
                            <plus/>
                            <cn cellml:units="dimensionless">1</cn>
                            <ci>beta_ext</ci>
                            <ci>gamma_ext</ci>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>P_HCO3_i</ci>
                                <ci>beta_int</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>P_Cl_i</ci>
                                <ci>gamma_int</ci>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <times/>
                        <apply>
                            <plus/>
                            <cn cellml:units="dimensionless">1</cn>
                            <ci>beta_int</ci>
                            <ci>gamma_int</ci>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>P_HCO3_m</ci>
                                <ci>beta_ext</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>P_Cl_s</ci>
                                <ci>gamma_ext</ci>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_AE1_HCO3</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <cn cellml:units="dimensionless" type="e-notation">1<sep/>9</cn>
                            <ci>v_cell</ci>
                            <ci>x_Tmax</ci>
                        </apply>
                        <ci>sigma</ci>
                    </apply>
                    <apply>
                        <minus/>
                        <apply>
                            <times/>
                            <ci>P_HCO3_i</ci>
                            <ci>beta_int</ci>
                            <ci>P_Cl_s</ci>
                            <ci>gamma_ext</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>P_HCO3_m</ci>
                            <ci>beta_ext</ci>
                            <ci>P_Cl_i</ci>
                            <ci>gamma_int</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <!--J_AE1_HCO31 = J_AE1_HCO3*36e8{dimensionless};
J_AE1_Cl1 = -J_AE1_HCO31;-->
            <apply>
                <eq/>
                <ci>J_AE1_Cl</ci>
                <ci>J_AE1_HCO3</ci>
            </apply>
            <apply>
                <eq/>
                <ci>I_AE1_HCO3</ci>
                <apply>
                    <times/>
                    <ci>J_AE1_HCO3</ci>
                    <ci>F</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_AE1_Cl</ci>
                <apply>
                    <times/>
                    <ci>J_AE1_Cl</ci>
                    <ci>F</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>x_ext</ci>
                <apply>
                    <divide/>
                    <apply>
                        <times/>
                        <ci>x_T</ci>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>P_HCO3_i</ci>
                                <ci>beta_int</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>P_Cl_i</ci>
                                <ci>gamma_int</ci>
                            </apply>
                        </apply>
                    </apply>
                    <ci>sigma</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>x_int</ci>
                <apply>
                    <divide/>
                    <apply>
                        <times/>
                        <ci>x_T</ci>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci>P_HCO3_m</ci>
                                <ci>beta_ext</ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci>P_Cl_s</ci>
                                <ci>gamma_ext</ci>
                            </apply>
                        </apply>
                    </apply>
                    <ci>sigma</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_HCO3_influx</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <ci>x_T</ci>
                        <ci>sigma</ci>
                    </apply>
                    <ci>P_HCO3_m</ci>
                    <ci>beta_ext</ci>
                    <apply>
                        <plus/>
                        <apply>
                            <times/>
                            <ci>P_HCO3_i</ci>
                            <ci>beta_int</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>P_Cl_i</ci>
                            <ci>gamma_int</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_Cl_influx</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <ci>x_T</ci>
                        <ci>sigma</ci>
                    </apply>
                    <ci>P_Cl_s</ci>
                    <ci>gamma_ext</ci>
                    <apply>
                        <plus/>
                        <apply>
                            <times/>
                            <ci>P_HCO3_i</ci>
                            <ci>beta_int</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>P_Cl_i</ci>
                            <ci>gamma_int</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Jo_bm</ci>
                <apply>
                    <power/>
                    <apply>
                        <times/>
                        <apply>
                            <divide/>
                            <cn cellml:units="dimensionless">1</cn>
                            <ci>x_T</ci>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <divide/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>P_HCO3_m</ci>
                            </apply>
                            <apply>
                                <divide/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>P_HCO3_i</ci>
                            </apply>
                            <apply>
                                <divide/>
                                <ci>K_HCO3_i</ci>
                                <apply>
                                    <times/>
                                    <ci>P_HCO3_i</ci>
                                    <ci>HCO3_i</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless">1</cn>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Ji_bm</ci>
                <apply>
                    <power/>
                    <apply>
                        <times/>
                        <apply>
                            <divide/>
                            <cn cellml:units="dimensionless">1</cn>
                            <ci>x_T</ci>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <divide/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>P_HCO3_m</ci>
                            </apply>
                            <apply>
                                <divide/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>P_HCO3_i</ci>
                            </apply>
                            <apply>
                                <divide/>
                                <ci>K_HCO3_m</ci>
                                <apply>
                                    <times/>
                                    <ci>P_HCO3_m</ci>
                                    <ci>HCO3_m</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless">1</cn>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Js_bm</ci>
                <apply>
                    <power/>
                    <apply>
                        <times/>
                        <apply>
                            <divide/>
                            <cn cellml:units="dimensionless">1</cn>
                            <ci>x_T</ci>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <divide/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>P_HCO3_m</ci>
                            </apply>
                            <apply>
                                <divide/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>P_HCO3_i</ci>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless">1</cn>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Jo_cm</ci>
                <apply>
                    <power/>
                    <apply>
                        <times/>
                        <apply>
                            <divide/>
                            <cn cellml:units="dimensionless">1</cn>
                            <ci>x_T</ci>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <divide/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>P_Cl_s</ci>
                            </apply>
                            <apply>
                                <divide/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>P_Cl_i</ci>
                            </apply>
                            <apply>
                                <divide/>
                                <ci>K_Cl_i</ci>
                                <apply>
                                    <times/>
                                    <ci>P_Cl_i</ci>
                                    <ci>Cl_i</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless">1</cn>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Ji_cm</ci>
                <apply>
                    <power/>
                    <apply>
                        <times/>
                        <apply>
                            <divide/>
                            <cn cellml:units="dimensionless">1</cn>
                            <ci>x_T</ci>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <divide/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>P_Cl_s</ci>
                            </apply>
                            <apply>
                                <divide/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>P_Cl_i</ci>
                            </apply>
                            <apply>
                                <divide/>
                                <ci>K_Cl_s</ci>
                                <apply>
                                    <times/>
                                    <ci>P_Cl_s</ci>
                                    <ci>Cl_m</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless">1</cn>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Js_cm</ci>
                <apply>
                    <power/>
                    <apply>
                        <times/>
                        <apply>
                            <divide/>
                            <cn cellml:units="dimensionless">1</cn>
                            <ci>x_T</ci>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <divide/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>P_Cl_s</ci>
                            </apply>
                            <apply>
                                <divide/>
                                <cn cellml:units="dimensionless">1</cn>
                                <ci>P_Cl_i</ci>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless">1</cn>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <!--    def comp Hydration as
        var time: second {pub: in};
        var v_cell: m3 {pub: in};
        var CO2_i: M {init: 1e-3, pub: out};
        var CO2_s: M {init: 1.2e-3, pub: out};
        var CO2_m: M {init: 1.2e-3, pub: out};
        var H_int: M {pub: in};
        var H_Ext: M {pub: in};
        var HCO3_i: M {pub: in};
        var HCO3_m: M {pub: in};
        var p_CO2: per_second {init: 5e-6, pub: out};
        var k_f: per_second {init: 0.03, pub: out};
        var k_r: per_M_per_second {init: 20e-3, pub: out};
        var J_CDF_A: umol_per_s {pub: out};
        var J_CDF_B: umol_per_s {pub: out};
        var J_buf_C: umol_per_s {pub: out};
        var J_buf_C1: umol_per_s {pub: out};
        var J_buf_A: umol_per_s {pub: out};
        var J_D_P_CO2: umol_per_s {pub: in};-->
    <!--        J_CDF_A = -1e9{dimensionless}*v_cell*p_CO2*(CO2_i-CO2_m);
        J_CDF_B = 1e9{dimensionless}*v_cell*p_CO2*(CO2_i-CO2_s);
        J_buf_C = 1e9{dimensionless}*v_cell*(k_f*CO2_i-k_r*HCO3_i*H_int);
        J_buf_C1 = J_buf_C*36e8{dimensionless};
        J_buf_A = 1e9{dimensionless}*v_cell*(k_f*CO2_m-k_r*HCO3_m*H_Ext);
        ode(CO2_i, time) = -J_buf_C+J_CDF_A+J_CDF_B;
        ode(CO2_m, time) = -J_buf_A-J_CDF_A-0{dimensionless}*J_D_P_CO2;
    enddef;-->
    <component name="IK">
        <variable name="z_k" public_interface="in" units="dimensionless"/>
        <variable name="R" public_interface="in" units="J_per_K_per_mol"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="K_i" public_interface="in" units="M"/>
        <variable name="K_s" public_interface="in" units="M"/>
        <variable name="Ca_i" public_interface="in" units="M"/>
        <variable name="V_A_IK" public_interface="out" units="volt"/>
        <variable name="v_sc" public_interface="in" units="volt"/>
        <variable name="J_IK" public_interface="out" units="umol_per_s"/>
        <variable name="I_IK" public_interface="out" units="uA"/>
        <variable name="A_membrane" public_interface="in" units="m2"/>
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <variable initial_value="2.1" name="G_IK" public_interface="out" units="S_per_m2"/>
        <!--var P_IK: dimensionless {pub: out};-->
        <variable initial_value="0.0003" name="K_s_IK" public_interface="out" units="M"/>
        <variable initial_value="1.7" name="eta" public_interface="out" units="dimensionless"/>
        <!-- alpha is not multipled by area in order to have a dimensionless unit, so the unit is actually 1/m2, it's necessary to the same for CFTR as well-->
        <!--var alpha_IK: per_m2 {init: 1, pub: out};-->
        <!--P_IK = 1{dimensionless}/(1{dimensionless}+pow(K_s_IK/Ca_i, eta));-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>V_A_IK</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci>R</ci>
                            <ci>T</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>z_k</ci>
                            <ci>F</ci>
                        </apply>
                    </apply>
                    <apply>
                        <ln/>
                        <apply>
                            <divide/>
                            <ci>K_s</ci>
                            <ci>K_i</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_IK</ci>
                <apply>
                    <times/>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless" type="e-notation">1<sep/>+6</cn>
                    </apply>
                    <ci>G_IK</ci>
                    <ci>A_membrane</ci>
                    <apply>
                        <minus/>
                        <ci>v_sc</ci>
                        <ci>V_A_IK</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_IK</ci>
                <apply>
                    <divide/>
                    <ci>I_IK</ci>
                    <ci>F</ci>
                </apply>
            </apply>
        </math>
    </component>
    <component name="BK">
        <variable name="z_k" public_interface="in" units="dimensionless"/>
        <variable name="R" public_interface="in" units="J_per_K_per_mol"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="K_i" public_interface="in" units="M"/>
        <variable name="K_m" public_interface="in" units="M"/>
        <variable name="Ca_i" public_interface="in" units="M"/>
        <variable name="V_A_BK" public_interface="out" units="volt"/>
        <variable name="v_mc" public_interface="in" units="volt"/>
        <variable name="J_BK" public_interface="out" units="umol_per_s"/>
        <variable name="I_BK" public_interface="out" units="uA"/>
        <variable name="A_membrane" public_interface="in" units="m2"/>
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <variable initial_value="0.8" name="G_BK" public_interface="out" units="S_per_m2"/>
        <variable name="P_BK" public_interface="out" units="dimensionless"/>
        <variable initial_value="0.0003" name="K_s_BK" public_interface="out" units="M"/>
        <variable initial_value="1.7" name="eta" public_interface="out" units="dimensionless"/>
        <!-- alpha is not multipled by area in order to have a dimensionless unit, so the unit is actually 1/m2, it's necessary to the same for CFTR as well-->
        <!--var alpha_BK: per_m2 {init: 0.1, pub: out};-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>P_BK</ci>
                <apply>
                    <divide/>
                    <cn cellml:units="dimensionless">1</cn>
                    <apply>
                        <plus/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                            <power/>
                            <apply>
                                <divide/>
                                <ci>K_s_BK</ci>
                                <ci>Ca_i</ci>
                            </apply>
                            <ci>eta</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>V_A_BK</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci>R</ci>
                            <ci>T</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>z_k</ci>
                            <ci>F</ci>
                        </apply>
                    </apply>
                    <apply>
                        <ln/>
                        <apply>
                            <divide/>
                            <ci>K_m</ci>
                            <ci>K_i</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_BK</ci>
                <apply>
                    <times/>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless" type="e-notation">1<sep/>+6</cn>
                    </apply>
                    <ci>G_BK</ci>
                    <ci>P_BK</ci>
                    <ci>A_membrane</ci>
                    <apply>
                        <minus/>
                        <ci>v_mc</ci>
                        <ci>V_A_BK</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_BK</ci>
                <apply>
                    <divide/>
                    <ci>I_BK</ci>
                    <ci>F</ci>
                </apply>
            </apply>
        </math>
    </component>
    <!--    def comp Apical_Diffusion as
        var v_mc: volt {pub: in};
        var Na_m: M {pub: in};
        var K_m: M {pub: in};
        var Cl_m: M {pub: in};
        var Na_i: M {pub: in};
        var K_i: M {pub: in};
        var Cl_i: M {pub: in};
        var F: C_per_mol {pub: in};
        var z_Na: dimensionless {pub: in};
        var z_k: dimensionless {pub: in};
        var z_Cl: dimensionless {pub: in};
        var R: J_per_K_per_mol {pub: in};
        var A_membrane: m2 {pub: in};
        var T: kelvin {pub: in};
        var P_Na: m_per_s {pub: in};
        var P_k: m_per_s {pub: in};
        var P_Cl: m_per_s {pub: in};
        var J_D_Na: umol_per_s {pub: out};
        var J_D_NA: umol_per_s {pub: out};
        var I_D_Na: uA {pub: out};
        var J_D_K: umol_per_s {pub: out};
        var I_D_K: uA {pub: out};
        var J_D_Cl: umol_per_s {pub: out};
        var I_D_Cl: uA {pub: out};
        var J_D_Apical: umol_per_s {pub: out};-->
    <!--        J_D_Na = -1e9{litre_umol_per_mol_per_m3}*P_Na*F*z_Na*v_mc/(R*T)*(Na_m-Na_i*exp(z_Na*F*v_mc/(R*T)))/(1{dimensionless}-exp(z_Na*F*v_mc/(R*T)))*A_membrane;
        J_D_NA = 36e8{dimensionless}*J_D_Na;
        I_D_Na = J_D_Na*F;
        J_D_K = -1e9{litre_umol_per_mol_per_m3}*P_k*F*z_k*v_mc/(R*T)*(K_m-K_i*exp(z_k*F*v_mc/(R*T)))/(1{dimensionless}-exp(z_k*F*v_mc/(R*T)))*A_membrane;
        I_D_K = J_D_K*F;
        J_D_Cl = -1e9{litre_umol_per_mol_per_m3}*P_Cl*F*z_Cl*v_mc/(R*T)*(Cl_m-Cl_i*exp(z_Cl*F*v_mc/(R*T)))/(1{dimensionless}-exp(z_Cl*F*v_mc/(R*T)))*A_membrane;
        I_D_Cl = J_D_Cl*F;
        J_D_Apical = J_D_Na+J_D_K+J_D_Cl;
    enddef;-->
    <!--    def comp Basolateral_Diffusion as
        var v_sc: volt {pub: in};
        var Na_s: M {pub: in};
        var K_s: M {pub: in};
        var Cl_s: M {pub: in};
        var Na_i: M {pub: in};
        var K_i: M {pub: in};
        var Cl_i: M {pub: in};
        var F: C_per_mol {pub: in};
        var z_Na: dimensionless {pub: in};
        var z_k: dimensionless {pub: in};
        var z_Cl: dimensionless {pub: in};
        var R: J_per_K_per_mol {pub: in};
        var A_Basol: m2 {pub: in};
        var T: kelvin {pub: in};
        var P_Bl_Na: m_per_s {pub: in};
        var P_Bl_k: m_per_s {pub: in};
        var P_Bl_Cl: m_per_s {pub: in};
        var J_D_Bl_Na: umol_per_s {pub: out};
        var I_D_Bl_Na: uA {pub: out};
        var J_D_Bl_K: umol_per_s {pub: out};
        var I_D_Bl_K: uA {pub: out};
        var J_D_Bl_Cl: umol_per_s {pub: out};
        var I_D_Bl_Cl: uA {pub: out};
        var J_D_Basolateral: umol_per_s {pub: out};-->
    <!--        J_D_Bl_Na = -1e9{litre_umol_per_mol_per_m3}*P_Bl_Na*F*z_Na*v_sc/(R*T)*(Na_s-Na_i*exp(z_Na*F*v_sc/(R*T)))/(1{dimensionless}-exp(z_Na*F*v_sc/(R*T)))*A_Basol;
        I_D_Bl_Na = J_D_Bl_Na*F;
        J_D_Bl_K = -1e9{litre_umol_per_mol_per_m3}*P_Bl_k*F*z_k*v_sc/(R*T)*(K_s-K_i*exp(z_k*F*v_sc/(R*T)))/(1{dimensionless}-exp(z_k*F*v_sc/(R*T)))*A_Basol;
        I_D_Bl_K = J_D_Bl_K*F;
        J_D_Bl_Cl = -1e9{litre_umol_per_mol_per_m3}*P_Bl_Cl*F*z_Cl*v_sc/(R*T)*(Cl_s-Cl_i*exp(z_Cl*F*v_sc/(R*T)))/(1{dimensionless}-exp(z_Cl*F*v_sc/(R*T)))*A_Basol;
        I_D_Bl_Cl = J_D_Bl_Cl*F;
        J_D_Basolateral = J_D_Bl_Na+J_D_Bl_K+J_D_Bl_Cl;
    enddef;-->
    <component name="Paracellular_voltage">
        <variable name="v_ms" public_interface="out" units="volt"/>
        <variable name="v_sc" public_interface="in" units="volt"/>
        <variable name="v_mc" public_interface="in" units="volt"/>
        <!--        var time: second {pub: in};
        var capacitance: uF {pub: in};
        var I_D_P_Na: uA {pub: in};
        var I_D_P_K: uA {pub: in};
        var I_D_P_Cl: uA {pub: in};-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>v_ms</ci>
                <apply>
                    <minus/>
                    <ci>v_mc</ci>
                    <ci>v_sc</ci>
                </apply>
            </apply>
        </math>
        <!--ode(v_ms, time) = (I_D_P_Na+I_D_P_K+I_D_P_Cl)/capacitance;-->
    </component>
    <component name="Paracellular_Diffusion">
        <variable name="v_ms" public_interface="in" units="volt"/>
        <variable name="Na_m" public_interface="in" units="M"/>
        <variable name="K_m" public_interface="in" units="M"/>
        <variable name="Cl_m" public_interface="in" units="M"/>
        <variable name="Na_s" public_interface="in" units="M"/>
        <variable name="K_s" public_interface="in" units="M"/>
        <variable name="Cl_s" public_interface="in" units="M"/>
        <!--        var CO2_m: M {pub: in};
        var CO2_i: M {pub: in};-->
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <variable name="z_Na" public_interface="in" units="dimensionless"/>
        <variable name="z_k" public_interface="in" units="dimensionless"/>
        <variable name="z_Cl" public_interface="in" units="dimensionless"/>
        <variable name="R" public_interface="in" units="J_per_K_per_mol"/>
        <variable name="A_membrane" public_interface="in" units="m2"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="P_P_Na" public_interface="in" units="m_per_s"/>
        <variable name="P_P_k" public_interface="in" units="m_per_s"/>
        <variable name="P_P_Cl" public_interface="in" units="m_per_s"/>
        <variable name="J_D_P_Na" public_interface="out" units="umol_per_s"/>
        <variable name="I_D_P_Na" public_interface="out" units="uA"/>
        <variable name="J_D_P_K" public_interface="out" units="umol_per_s"/>
        <variable name="I_D_P_K" public_interface="out" units="uA"/>
        <variable name="J_D_P_Cl" public_interface="out" units="umol_per_s"/>
        <variable name="I_D_P_Cl" public_interface="out" units="uA"/>
        <variable name="J_D_Paracellular" public_interface="out" units="umol_per_s"/>
        <variable name="V_P_Na" public_interface="out" units="volt"/>
        <variable name="V_P_K" public_interface="out" units="volt"/>
        <variable name="V_P_Cl" public_interface="out" units="volt"/>
        <variable initial_value="4" name="G_P_Na" public_interface="out" units="S_per_m2"/>
        <variable initial_value="1" name="G_P_K" public_interface="out" units="S_per_m2"/>
        <variable initial_value="4" name="G_P_Cl" public_interface="out" units="S_per_m2"/>
        <!--        var I_D_P_CO2: uA {pub: out};
        var J_D_P_CO2: umol_per_s {pub: out};
        var G_P_CO2: S_per_m2 {init: 7, pub: out};
        var v_P_CO2: volt {pub: out};-->
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>V_P_Na</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci>R</ci>
                            <ci>T</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>z_Na</ci>
                            <ci>F</ci>
                        </apply>
                    </apply>
                    <apply>
                        <ln/>
                        <apply>
                            <divide/>
                            <ci>Na_m</ci>
                            <ci>Na_s</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_D_P_Na</ci>
                <apply>
                    <times/>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless" type="e-notation">1<sep/>6</cn>
                    </apply>
                    <ci>G_P_Na</ci>
                    <ci>A_membrane</ci>
                    <apply>
                        <minus/>
                        <ci>v_ms</ci>
                        <ci>V_P_Na</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_D_P_Na</ci>
                <apply>
                    <divide/>
                    <ci>I_D_P_Na</ci>
                    <ci>F</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>V_P_K</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci>R</ci>
                            <ci>T</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>z_k</ci>
                            <ci>F</ci>
                        </apply>
                    </apply>
                    <apply>
                        <ln/>
                        <apply>
                            <divide/>
                            <ci>K_m</ci>
                            <ci>K_s</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_D_P_K</ci>
                <apply>
                    <times/>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless" type="e-notation">1<sep/>6</cn>
                    </apply>
                    <ci>G_P_K</ci>
                    <ci>A_membrane</ci>
                    <apply>
                        <minus/>
                        <ci>v_ms</ci>
                        <ci>V_P_K</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_D_P_K</ci>
                <apply>
                    <divide/>
                    <ci>I_D_P_K</ci>
                    <ci>F</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>V_P_Cl</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci>R</ci>
                            <ci>T</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>z_Cl</ci>
                            <ci>F</ci>
                        </apply>
                    </apply>
                    <apply>
                        <ln/>
                        <apply>
                            <divide/>
                            <ci>Cl_m</ci>
                            <ci>Cl_s</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>I_D_P_Cl</ci>
                <apply>
                    <times/>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless" type="e-notation">1<sep/>6</cn>
                    </apply>
                    <ci>G_P_Cl</ci>
                    <ci>A_membrane</ci>
                    <apply>
                        <minus/>
                        <ci>v_ms</ci>
                        <ci>V_P_Cl</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_D_P_Cl</ci>
                <apply>
                    <divide/>
                    <ci>I_D_P_Cl</ci>
                    <ci>F</ci>
                </apply>
            </apply>
            <!--        v_P_CO2 = R*T/F*ln(CO2_m/CO2_i);
        I_D_P_CO2 = 1e6{dimensionless}*G_P_CO2*A_membrane*(v_ms-v_P_CO2);
        J_D_P_CO2 = I_D_P_CO2/F;-->
            <apply>
                <eq/>
                <ci>J_D_Paracellular</ci>
                <apply>
                    <plus/>
                    <ci>J_D_P_Na</ci>
                    <ci>J_D_P_K</ci>
                    <ci>J_D_P_Cl</ci>
                </apply>
            </apply>
        </math>
    </component>
    <!--    def comp interstitium_concentration as
        var glucose_s: M {init: 0, pub: out};-->
    <!--        //var J_GLUT: umol_per_s {pub: in};
        //var J_G_Blood: umol_per_s {pub: in};
        //var v_cell: m3 {pub: in};
        //var time: second {pub: in};-->
    <!--        //ode(glucose_s, time) = 1e-9{m3_mole_per_litre_per_umol}/v_cell*(-J_GLUT-J_G_Blood);
    enddef;-->
    <!--    def comp Blood_concentration as
        var glucose_s: M {pub: in};
        var glucose_B: M {init: 0.012, pub: out};
        var J_G_Blood: umol_per_s {pub: out};
        var K: dimensionless {init: 1e-6, pub: out};-->
    <!--        //var v_cell: m3 {pub: in};-->
    <!--        var time: second {pub: in};-->
    <!--        J_G_Blood = K*(glucose_s-glucose_B);
        ode(glucose_B, time) = 0{dimensionless};
    enddef;-->
    <connection>
        <map_components component_1="rate_constants" component_2="phenomonological_constants"/>
        <map_variables variable_1="ks_12" variable_2="ks_12"/>
        <!--vars k_12 and k_12;-->
        <map_variables variable_1="k_21" variable_2="k_21"/>
        <!--vars k_23 and k_23;-->
        <map_variables variable_1="k_32" variable_2="k_32"/>
        <map_variables variable_1="k_25" variable_2="k_25"/>
        <map_variables variable_1="k_52" variable_2="k_52"/>
        <map_variables variable_1="k_34" variable_2="k_34"/>
        <map_variables variable_1="k_43" variable_2="k_43"/>
        <map_variables variable_1="k_45" variable_2="k_45"/>
        <map_variables variable_1="k_54" variable_2="k_54"/>
        <map_variables variable_1="k_56" variable_2="k_56"/>
        <map_variables variable_1="k_65" variable_2="k_65"/>
        <map_variables variable_1="k_61" variable_2="k_61"/>
        <map_variables variable_1="k_16" variable_2="k_16"/>
    </connection>
    <connection>
        <map_components component_1="phenomonological_constants" component_2="Apical_concentrations"/>
        <map_variables variable_1="Na_m" variable_2="Na_m"/>
        <map_variables variable_1="glucose_m" variable_2="glucose_m"/>
    </connection>
    <connection>
        <map_components component_1="phenomonological_constants" component_2="Cell_concentration"/>
        <map_variables variable_1="J_Na_SGLT" variable_2="J_Na_SGLT"/>
        <map_variables variable_1="J_Gl_SGLT" variable_2="J_Gl_SGLT"/>
    </connection>
    <connection>
        <map_components component_1="phenomonological_constants" component_2="parameters"/>
        <map_variables variable_1="k0_23" variable_2="k0_23"/>
        <!--vars C_T and C_T;-->
        <map_variables variable_1="F" variable_2="F"/>
    </connection>
    <connection>
        <map_components component_1="phenomonological_constants" component_2="Apical_voltage"/>
        <map_variables variable_1="I_Na_SGLT" variable_2="I_Na_SGLT"/>
        <!--vars I_Gl_SGLT and I_Gl_SGLT;-->
    </connection>
    <connection>
        <map_components component_1="rate_constants" component_2="Apical_concentrations"/>
        <map_variables variable_1="Na_m" variable_2="Na_m"/>
        <map_variables variable_1="glucose_m" variable_2="glucose_m"/>
    </connection>
    <connection>
        <map_components component_1="rate_constants" component_2="Cell_concentration"/>
        <map_variables variable_1="Na_i" variable_2="Na_i"/>
        <map_variables variable_1="glucose_i" variable_2="glucose_i"/>
    </connection>
    <connection>
        <map_components component_1="rate_constants" component_2="parameters"/>
        <map_variables variable_1="k0_12" variable_2="k0_12"/>
        <map_variables variable_1="k0_21" variable_2="k0_21"/>
        <!--vars k0_23 and k0_23;-->
        <map_variables variable_1="k0_32" variable_2="k0_32"/>
        <map_variables variable_1="k0_25" variable_2="k0_25"/>
        <map_variables variable_1="k0_52" variable_2="k0_52"/>
        <map_variables variable_1="k0_34" variable_2="k0_34"/>
        <map_variables variable_1="k0_43" variable_2="k0_43"/>
        <map_variables variable_1="k0_45" variable_2="k0_45"/>
        <map_variables variable_1="k0_54" variable_2="k0_54"/>
        <map_variables variable_1="k0_56" variable_2="k0_56"/>
        <map_variables variable_1="k0_65" variable_2="k0_65"/>
        <map_variables variable_1="k0_61" variable_2="k0_61"/>
        <map_variables variable_1="k0_16" variable_2="k0_16"/>
        <map_variables variable_1="delta" variable_2="delta"/>
        <map_variables variable_1="alpha_p" variable_2="alpha_p"/>
        <!--vars alpha_pp and alpha_pp;-->
        <!--vars C_T and C_T;-->
        <map_variables variable_1="n" variable_2="n"/>
        <map_variables variable_1="z_c" variable_2="z_c"/>
        <map_variables variable_1="z_Na" variable_2="z_Na"/>
        <map_variables variable_1="mu" variable_2="mu"/>
    </connection>
    <connection>
        <map_components component_1="CFTR" component_2="parameters"/>
        <map_variables variable_1="F" variable_2="F"/>
        <map_variables variable_1="z_Cl" variable_2="z_Cl"/>
        <map_variables variable_1="R" variable_2="R"/>
        <map_variables variable_1="T" variable_2="T"/>
        <map_variables variable_1="A_membrane" variable_2="A_membrane"/>
    </connection>
    <!--    def map between CFTR_B and parameters for
        vars F and F;
        vars z_Cl and z_Cl;
        vars R and R;
        vars T and T;
        vars A_membrane and A_membrane;
    enddef;-->
    <connection>
        <map_components component_1="CFTR" component_2="Cell_concentration"/>
        <map_variables variable_1="Cl_i" variable_2="Cl_i"/>
        <!--        vars HCO3_i and HCO3_i;
        vars HCO3_m and HCO3_m;-->
        <map_variables variable_1="J_CFTR" variable_2="J_CFTR"/>
        <!--        vars J_CFTR_HCO3 and J_CFTR_HCO3;-->
    </connection>
    <!--    def map between CFTR_B and Cell_concentration for
        vars Cl_i and Cl_i;-->
    <!--        //        vars HCO3_i and HCO3_i;
        //        vars HCO3_m and HCO3_m;-->
    <!--        vars J_CFTR_B and J_CFTR_B;-->
    <!--        //        vars J_CFTR_HCO3 and J_CFTR_HCO3;
    enddef;-->
    <connection>
        <map_components component_1="CFTR" component_2="Apical_concentrations"/>
        <map_variables variable_1="Cl_m" variable_2="Cl_m"/>
    </connection>
    <!--    def map between CFTR_B and Blood_concentrations for
        vars Cl_s and Cl_s;
        vars J_CFTR_B and J_CFTR_B;
    enddef;-->
    <connection>
        <map_components component_1="CFTR" component_2="Apical_voltage"/>
        <map_variables variable_1="v_mc" variable_2="v_mc"/>
        <map_variables variable_1="I_CFTR" variable_2="I_CFTR"/>
        <!--vars I_CFTR_HCO3 and I_CFTR_HCO3;-->
    </connection>
    <connection>
        <map_components component_1="CLC2" component_2="parameters"/>
        <map_variables variable_1="F" variable_2="F"/>
        <map_variables variable_1="z_Cl" variable_2="z_Cl"/>
        <map_variables variable_1="R" variable_2="R"/>
        <map_variables variable_1="T" variable_2="T"/>
        <map_variables variable_1="A_membrane" variable_2="A_membrane"/>
    </connection>
    <connection>
        <map_components component_1="CLC2" component_2="Cell_concentration"/>
        <map_variables variable_1="Cl_i" variable_2="Cl_i"/>
        <map_variables variable_1="J_CLC2" variable_2="J_CLC2"/>
    </connection>
    <connection>
        <map_components component_1="CLC2" component_2="Blood_concentrations"/>
        <map_variables variable_1="Cl_s" variable_2="Cl_s"/>
        <map_variables variable_1="J_CLC2" variable_2="J_CLC2"/>
    </connection>
    <connection>
        <map_components component_1="CLC2" component_2="Basol_voltage"/>
        <map_variables variable_1="v_sc" variable_2="v_sc"/>
        <map_variables variable_1="I_CLC2" variable_2="I_CLC2"/>
    </connection>
    <connection>
        <map_components component_1="ENaC" component_2="parameters"/>
        <map_variables variable_1="F" variable_2="F"/>
        <map_variables variable_1="z_Na" variable_2="z_Na"/>
        <map_variables variable_1="R" variable_2="R"/>
        <map_variables variable_1="T" variable_2="T"/>
        <map_variables variable_1="A_membrane" variable_2="A_membrane"/>
    </connection>
    <connection>
        <map_components component_1="ENaC" component_2="Cell_concentration"/>
        <map_variables variable_1="Na_i" variable_2="Na_i"/>
        <map_variables variable_1="J_ENaC" variable_2="J_ENaC"/>
    </connection>
    <connection>
        <map_components component_1="ENaC" component_2="Apical_concentrations"/>
        <map_variables variable_1="Na_m" variable_2="Na_m"/>
    </connection>
    <connection>
        <map_components component_1="ENaC" component_2="Apical_voltage"/>
        <map_variables variable_1="v_mc" variable_2="v_mc"/>
        <map_variables variable_1="I_ENaC" variable_2="I_ENaC"/>
    </connection>
    <connection>
        <map_components component_1="IK" component_2="parameters"/>
        <map_variables variable_1="F" variable_2="F"/>
        <map_variables variable_1="z_k" variable_2="z_k"/>
        <map_variables variable_1="R" variable_2="R"/>
        <map_variables variable_1="T" variable_2="T"/>
        <map_variables variable_1="A_membrane" variable_2="A_membrane"/>
    </connection>
    <connection>
        <map_components component_1="IK" component_2="Cell_concentration"/>
        <map_variables variable_1="K_i" variable_2="K_i"/>
        <map_variables variable_1="Ca_i" variable_2="Ca_i"/>
        <map_variables variable_1="J_IK" variable_2="J_IK"/>
    </connection>
    <connection>
        <map_components component_1="IK" component_2="Blood_concentrations"/>
        <map_variables variable_1="K_s" variable_2="K_s"/>
        <map_variables variable_1="J_IK" variable_2="J_IK"/>
    </connection>
    <connection>
        <map_components component_1="IK" component_2="Basol_voltage"/>
        <map_variables variable_1="v_sc" variable_2="v_sc"/>
        <map_variables variable_1="I_IK" variable_2="I_IK"/>
    </connection>
    <connection>
        <map_components component_1="BK" component_2="parameters"/>
        <map_variables variable_1="F" variable_2="F"/>
        <map_variables variable_1="z_k" variable_2="z_k"/>
        <map_variables variable_1="R" variable_2="R"/>
        <map_variables variable_1="T" variable_2="T"/>
        <map_variables variable_1="A_membrane" variable_2="A_membrane"/>
    </connection>
    <connection>
        <map_components component_1="BK" component_2="Cell_concentration"/>
        <map_variables variable_1="K_i" variable_2="K_i"/>
        <map_variables variable_1="Ca_i" variable_2="Ca_i"/>
        <map_variables variable_1="J_BK" variable_2="J_BK"/>
    </connection>
    <connection>
        <map_components component_1="BK" component_2="Apical_concentrations"/>
        <map_variables variable_1="K_m" variable_2="K_m"/>
    </connection>
    <connection>
        <map_components component_1="BK" component_2="Apical_voltage"/>
        <map_variables variable_1="v_mc" variable_2="v_mc"/>
        <map_variables variable_1="I_BK" variable_2="I_BK"/>
    </connection>
    <connection>
        <map_components component_1="NaKCC" component_2="Cell_concentration"/>
        <map_variables variable_1="Na_i" variable_2="Na_i"/>
        <map_variables variable_1="Cl_i" variable_2="Cl_i"/>
        <map_variables variable_1="K_i" variable_2="K_i"/>
        <map_variables variable_1="J_NaKCC" variable_2="J_NaKCC"/>
    </connection>
    <connection>
        <map_components component_1="NaKCC" component_2="parameters"/>
        <map_variables variable_1="F" variable_2="F"/>
        <map_variables variable_1="A_membrane" variable_2="A_membrane"/>
    </connection>
    <connection>
        <map_components component_1="Cell_concentration" component_2="GLUT2"/>
        <map_variables variable_1="glucose_i" variable_2="glucose_i"/>
        <map_variables variable_1="J_GLUT" variable_2="J_GLUT"/>
        <map_variables variable_1="v_cell" variable_2="v_cell"/>
    </connection>
    <connection>
        <map_components component_1="Blood_concentrations" component_2="GLUT2"/>
        <map_variables variable_1="glucose_s" variable_2="glucose_s"/>
        <map_variables variable_1="J_GLUT" variable_2="J_GLUT"/>
    </connection>
    <!--    def map between Blood_concentrations and Cell_concentration for
        vars Na_s and Na_s;
        vars glucose_s and glucose_s;-->
    <!--        //vars v_B and v_B;-->
    <!--        vars J_D_P_Gl and J_D_P_Gl;
        vars J_w_B and J_w_B;
        vars J_w_P and J_w_P;-->
    <!--        //vars v_w and v_w;
    enddef;-->
    <!--    def map between GLUT2 and Basol_voltage for
        vars I_GLUT and I_GLUT;
    enddef;-->
    <!--    def map between Cell_concentration and Na_Cl for
        vars Na_i and Na_i;
        vars Cl_i and Cl_i;
        vars J_NaCl and J_NaCl;
    enddef;-->
    <connection>
        <map_components component_1="Cell_concentration" component_2="NHE3"/>
        <map_variables variable_1="Na_i" variable_2="Na_i"/>
        <map_variables variable_1="H_int" variable_2="H_int"/>
        <map_variables variable_1="H_Ext" variable_2="H_Ext"/>
        <!--        vars HCO3_i and HCO3_i;
        vars HCO3_m and HCO3_m;-->
        <!--        vars Cl_i and Cl_i;-->
        <map_variables variable_1="J_NHE3_Na" variable_2="J_NHE3_Na"/>
        <map_variables variable_1="J_NHE3_H" variable_2="J_NHE3_H"/>
        <map_variables variable_1="v_cell" variable_2="v_cell"/>
    </connection>
    <connection>
        <map_components component_1="parameters" component_2="NaK_channel"/>
        <map_variables variable_1="F" variable_2="F"/>
        <!--        vars time and time;-->
    </connection>
    <connection>
        <map_components component_1="Cell_concentration" component_2="NaK_channel"/>
        <map_variables variable_1="Na_i" variable_2="Na_i"/>
        <map_variables variable_1="J_Na_NaK" variable_2="J_Na_NaK"/>
        <map_variables variable_1="J_K_NaK" variable_2="J_K_NaK"/>
    </connection>
    <connection>
        <map_components component_1="Blood_concentrations" component_2="NaK_channel"/>
        <map_variables variable_1="J_Na_NaK" variable_2="J_Na_NaK"/>
        <map_variables variable_1="K_s" variable_2="K_s"/>
        <map_variables variable_1="J_K_NaK" variable_2="J_K_NaK"/>
    </connection>
    <connection>
        <map_components component_1="Basol_voltage" component_2="NaK_channel"/>
        <map_variables variable_1="I_Na_NaK" variable_2="I_Na_NaK"/>
        <map_variables variable_1="I_K_NaK" variable_2="I_K_NaK"/>
        <map_variables variable_1="v_sc" variable_2="v_sc"/>
    </connection>
    <connection>
        <map_components component_1="Cell_concentration" component_2="NBC"/>
        <map_variables variable_1="Na_i" variable_2="Na_i"/>
        <map_variables variable_1="v_cell" variable_2="v_cell"/>
        <!--        vars Cl_i and Cl_i;-->
        <map_variables variable_1="J_NBC_Na" variable_2="J_NBC_Na"/>
        <map_variables variable_1="J_NBC_HCO3" variable_2="J_NBC_HCO3"/>
        <map_variables variable_1="HCO3_i" variable_2="HCO3_i"/>
        <map_variables variable_1="HCO3_s" variable_2="HCO3_s"/>
    </connection>
    <connection>
        <map_components component_1="parameters" component_2="NBC"/>
        <map_variables variable_1="F" variable_2="F"/>
        <map_variables variable_1="time" variable_2="time"/>
        <map_variables variable_1="R" variable_2="R"/>
        <map_variables variable_1="T" variable_2="T"/>
        <map_variables variable_1="A_membrane" variable_2="A_membrane"/>
    </connection>
    <connection>
        <map_components component_1="Basol_voltage" component_2="NBC"/>
        <map_variables variable_1="v_sc" variable_2="v_sc"/>
        <map_variables variable_1="I_NBC_HCO3" variable_2="I_NBC_HCO3"/>
        <map_variables variable_1="I_NBC_Na" variable_2="I_NBC_Na"/>
    </connection>
    <connection>
        <map_components component_1="Blood_concentrations" component_2="NBC"/>
        <map_variables variable_1="Na_s" variable_2="Na_s"/>
        <map_variables variable_1="J_NBC_Na" variable_2="J_NBC_Na"/>
    </connection>
    <connection>
        <map_components component_1="Blood_concentrations" component_2="NaKCC"/>
        <map_variables variable_1="J_NaKCC" variable_2="J_NaKCC"/>
    </connection>
    <!--    def map between Cell_concentration and NBC for
        vars Na_i and Na_i;
    enddef;-->
    <!--    def map between Cell_concentration and Apical_Diffusion for
        vars Na_i and Na_i;
        vars K_i and K_i;
        vars Cl_i and Cl_i;
        vars J_D_Na and J_D_Na;
        vars J_D_K and J_D_K;
        vars J_D_Cl and J_D_Cl;
    enddef;-->
    <connection>
        <map_components component_1="Apical_concentrations" component_2="Cell_concentration"/>
        <map_variables variable_1="Na_m" variable_2="Na_m"/>
        <map_variables variable_1="K_m" variable_2="K_m"/>
        <map_variables variable_1="Cl_m" variable_2="Cl_m"/>
        <map_variables variable_1="glucose_m" variable_2="glucose_m"/>
    </connection>
    <!--    def map between Apical_concentrations and Apical_Diffusion for
        vars Na_m and Na_m;
        vars K_m and K_m;
        vars Cl_m and Cl_m;-->
    <!--        //vars F and F;
    enddef;-->
    <!--    def map between parameters and Apical_Diffusion for
        vars F and F;
        vars z_Na and z_Na;
        vars z_k and z_k;
        vars z_Cl and z_Cl;
        vars R and R;
        vars T and T;
        vars A_membrane and A_membrane;
        vars P_Na and P_Na;
        vars P_k and P_k;
        vars P_Cl and P_Cl;
    enddef;-->
    <!--    def map between parameters and Cell_concentration for
        vars A_membrane and A_membrane;
    enddef;-->
    <!--    def map between parameters and Apical_voltage for
        vars time and time;
    enddef;-->
    <!--    def map between Apical_Diffusion and Apical_voltage for
        vars I_D_Na and I_D_Na;
        vars I_D_K and I_D_K;
        vars I_D_Cl and I_D_Cl;
        vars v_mc and v_mc;
    enddef;-->
    <connection>
        <map_components component_1="parameters" component_2="Apical_voltage"/>
        <map_variables variable_1="capacitance" variable_2="capacitance"/>
        <map_variables variable_1="time" variable_2="time"/>
        <map_variables variable_1="v_mc" variable_2="v_mc"/>
    </connection>
    <!--    def map between Cell_concentration and Basolateral_Diffusion for
        vars Na_i and Na_i;
        vars K_i and K_i;
        vars Cl_i and Cl_i;
        vars J_D_Bl_Na and J_D_Bl_Na;
        vars J_D_Bl_K and J_D_Bl_K;
        vars J_D_Bl_Cl and J_D_Bl_Cl;
    enddef;-->
    <connection>
        <map_components component_1="Blood_concentrations" component_2="Cell_concentration"/>
        <map_variables variable_1="Na_s" variable_2="Na_s"/>
        <map_variables variable_1="K_s" variable_2="K_s"/>
        <map_variables variable_1="Cl_s" variable_2="Cl_s"/>
        <map_variables variable_1="glucose_s" variable_2="glucose_s"/>
        <map_variables variable_1="J_D_P_Gl" variable_2="J_D_P_Gl"/>
        <map_variables variable_1="J_w_B" variable_2="J_w_B"/>
        <map_variables variable_1="J_w_P" variable_2="J_w_P"/>
    </connection>
    <!--    def map between Blood_concentrations and Basolateral_Diffusion for
        vars Na_s and Na_s;
        vars K_s and K_s;
        vars Cl_s and Cl_s;-->
    <!--        //        vars J_D_Bl_Na and J_D_Bl_Na;
        //        vars J_D_Bl_K and J_D_Bl_K;
        //        vars J_D_Bl_Cl and J_D_Bl_Cl;-->
    <!--        //vars F and F;
    enddef;-->
    <!--    def map between parameters and Basolateral_Diffusion for
        vars F and F;
        vars z_Na and z_Na;
        vars z_k and z_k;
        vars z_Cl and z_Cl;
        vars R and R;
        vars T and T;
        vars A_Basol and A_Basol;
        vars P_Bl_Na and P_Bl_Na;
        vars P_Bl_k and P_Bl_k;
        vars P_Bl_Cl and P_Bl_Cl;
    enddef;-->
    <connection>
        <map_components component_1="parameters" component_2="Cell_concentration"/>
        <map_variables variable_1="v_cell" variable_2="v_cell"/>
        <map_variables variable_1="time" variable_2="time"/>
        <map_variables variable_1="A_membrane" variable_2="A_membrane"/>
    </connection>
    <connection>
        <map_components component_1="parameters" component_2="NHE3"/>
        <map_variables variable_1="F" variable_2="F"/>
        <map_variables variable_1="A_membrane" variable_2="A_membrane"/>
        <!--        vars time and time;
        vars R and R;
        vars T and T;-->
    </connection>
    <connection>
        <map_components component_1="Apical_voltage" component_2="NHE3"/>
        <!--vars v_sc and v_sc;-->
        <map_variables variable_1="I_NHE3_H" variable_2="I_NHE3_H"/>
        <map_variables variable_1="I_NHE3_Na" variable_2="I_NHE3_Na"/>
    </connection>
    <connection>
        <map_components component_1="Apical_concentrations" component_2="NHE3"/>
        <map_variables variable_1="Na_m" variable_2="Na_m"/>
    </connection>
    <!--    def map between AE1 and NBC for
        vars HCO3_s and HCO3_s;
        vars HCO3_i and HCO3_i;
    enddef; -->
    <connection>
        <map_components component_1="parameters" component_2="AE1"/>
        <map_variables variable_1="F" variable_2="F"/>
        <map_variables variable_1="A_membrane" variable_2="A_membrane"/>
        <!--vars A_membrane and A_membrane;-->
    </connection>
    <connection>
        <map_components component_1="Cell_concentration" component_2="AE1"/>
        <map_variables variable_1="Cl_i" variable_2="Cl_i"/>
        <map_variables variable_1="HCO3_i" variable_2="HCO3_i"/>
        <map_variables variable_1="HCO3_m" variable_2="HCO3_m"/>
        <map_variables variable_1="J_AE1_Cl" variable_2="J_AE1_Cl"/>
        <map_variables variable_1="J_AE1_HCO3" variable_2="J_AE1_HCO3"/>
        <map_variables variable_1="v_cell" variable_2="v_cell"/>
    </connection>
    <connection>
        <map_components component_1="Apical_concentrations" component_2="AE1"/>
        <map_variables variable_1="Cl_m" variable_2="Cl_m"/>
    </connection>
    <!--    def map between Apical_voltage and AE1 for
        //vars v_sc and v_sc;-->
    <!--        vars I_AE1_Cl and I_AE1_Cl;
        vars I_AE1_HCO3 and I_AE1_HCO3;
    enddef;-->
    <!--    def map between Basolateral_concentrations and Basol_voltage for
        vars time and time;
    enddef;-->
    <!--    def map between Basolateral_Diffusion and Basol_voltage for
        vars I_D_Bl_Na and I_D_Bl_Na;
        vars I_D_Bl_K and I_D_Bl_K;
        vars I_D_Bl_Cl and I_D_Bl_Cl;
        vars v_sc and v_sc;
    enddef;-->
    <connection>
        <map_components component_1="parameters" component_2="Basol_voltage"/>
        <map_variables variable_1="capacitance" variable_2="capacitance"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="Apical_concentrations" component_2="Paracellular_Diffusion"/>
        <map_variables variable_1="Na_m" variable_2="Na_m"/>
        <map_variables variable_1="K_m" variable_2="K_m"/>
        <map_variables variable_1="Cl_m" variable_2="Cl_m"/>
        <!--vars F and F;-->
    </connection>
    <connection>
        <map_components component_1="Apical_concentrations" component_2="parameters"/>
        <map_variables variable_1="time" variable_2="time"/>
        <!--vars F and F;-->
    </connection>
    <connection>
        <map_components component_1="parameters" component_2="Paracellular_Diffusion"/>
        <map_variables variable_1="F" variable_2="F"/>
        <map_variables variable_1="z_Na" variable_2="z_Na"/>
        <map_variables variable_1="z_k" variable_2="z_k"/>
        <map_variables variable_1="z_Cl" variable_2="z_Cl"/>
        <map_variables variable_1="R" variable_2="R"/>
        <map_variables variable_1="T" variable_2="T"/>
        <map_variables variable_1="A_membrane" variable_2="A_membrane"/>
        <map_variables variable_1="P_P_Na" variable_2="P_P_Na"/>
        <map_variables variable_1="P_P_k" variable_2="P_P_k"/>
        <map_variables variable_1="P_P_Cl" variable_2="P_P_Cl"/>
    </connection>
    <connection>
        <map_components component_1="Cell_concentration" component_2="Paracellular_Diffusion"/>
        <map_variables variable_1="J_D_P_Na" variable_2="J_D_P_Na"/>
    </connection>
    <!--    def map between Apical_concentrations and Paracellular_voltage for
        vars time and time;
    enddef;-->
    <connection>
        <map_components component_1="Paracellular_Diffusion" component_2="Paracellular_voltage"/>
        <!--        vars I_D_P_Na and I_D_P_Na;
        vars I_D_P_K and I_D_P_K;
        vars I_D_P_Cl and I_D_P_Cl;-->
        <map_variables variable_1="v_ms" variable_2="v_ms"/>
    </connection>
    <!--    def map between parameters and Paracellular_voltage for
        vars capacitance and capacitance;
        vars time and time;
    enddef;-->
    <connection>
        <map_components component_1="Basol_voltage" component_2="Paracellular_voltage"/>
        <map_variables variable_1="v_sc" variable_2="v_sc"/>
    </connection>
    <connection>
        <map_components component_1="Apical_voltage" component_2="Paracellular_voltage"/>
        <map_variables variable_1="v_mc" variable_2="v_mc"/>
    </connection>
    <connection>
        <map_components component_1="Apical_voltage" component_2="Paracellular_Diffusion"/>
        <map_variables variable_1="I_D_P_Na" variable_2="I_D_P_Na"/>
        <map_variables variable_1="I_D_P_K" variable_2="I_D_P_K"/>
        <map_variables variable_1="I_D_P_Cl" variable_2="I_D_P_Cl"/>
    </connection>
    <connection>
        <map_components component_1="Basol_voltage" component_2="Paracellular_Diffusion"/>
        <map_variables variable_1="I_D_P_Na" variable_2="I_D_P_Na"/>
        <map_variables variable_1="I_D_P_K" variable_2="I_D_P_K"/>
        <map_variables variable_1="I_D_P_Cl" variable_2="I_D_P_Cl"/>
    </connection>
    <connection>
        <map_components component_1="Blood_concentrations" component_2="Paracellular_Diffusion"/>
        <map_variables variable_1="Na_s" variable_2="Na_s"/>
        <map_variables variable_1="K_s" variable_2="K_s"/>
        <map_variables variable_1="Cl_s" variable_2="Cl_s"/>
        <map_variables variable_1="J_D_P_Na" variable_2="J_D_P_Na"/>
        <map_variables variable_1="J_D_P_K" variable_2="J_D_P_K"/>
        <map_variables variable_1="J_D_P_Cl" variable_2="J_D_P_Cl"/>
        <!--vars F and F;-->
    </connection>
    <connection>
        <map_components component_1="parameters" component_2="Blood_concentrations"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="Cell_concentration" component_2="A_GLUT2"/>
        <map_variables variable_1="glucose_i" variable_2="glucose_i"/>
        <map_variables variable_1="J_A_GLUT" variable_2="J_A_GLUT"/>
        <map_variables variable_1="v_cell" variable_2="v_cell"/>
    </connection>
    <connection>
        <map_components component_1="Apical_concentrations" component_2="A_GLUT2"/>
        <map_variables variable_1="glucose_m" variable_2="glucose_m"/>
        <!--vars J_GLUT and J_GLUT;-->
    </connection>
    <!--    def map between Cell_concentration and Hydration for
        vars H_int and H_int;
        vars HCO3_i and HCO3_i;
        vars J_buf_C and J_buf_C;
        vars H_Ext and H_Ext;
        vars HCO3_m and HCO3_m;
        vars J_buf_A and J_buf_A;
    enddef;-->
    <!--    def map between parameters and Hydration for
        vars time and time;
        vars v_cell and v_cell;
    enddef;-->
    <!--    def map between Paracellular_Diffusion and Hydration for
        vars CO2_i and CO2_i;
        vars CO2_m and CO2_m;
        vars J_D_P_CO2 and J_D_P_CO2;
    enddef;-->
</model>