Location: BG_K_ATP @ 444f190fc687 / matlab_parameter_fitting / calc_IGHK.m

Author:
Shelley Fong <s.fong@auckland.ac.nz>
Date:
2022-03-22 15:47:38+13:00
Desc:
Updating channel density to literature single channel value divided by clancy whole cell conductance (Babenko)
Permanent Source URI:
https://models.physiomeproject.org/workspace/83a/rawfile/444f190fc687e20996d5553dd2e568102bdaaa3a/matlab_parameter_fitting/calc_IGHK.m
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function I_GHK = calc_IGHK(G_GHK,V,cKi_st,cKo)
R = 8.314;
T = 310;
F = 96485;

V_norm = F*V/R/T;
GHK_factor = V_norm./(1-exp(-V_norm));
idx_nan = isnan(GHK_factor);
GHK_factor(idx_nan) = 1;
I_GHK = G_GHK*GHK_factor.*(cKi_st - cKo*exp(-V_norm));

end