Table 3.

Table of ion concentrations used in calculations.

Solution	NaCl		KCl		NaCl + KCl			CaCl2
Ion	Na	Cl	K	Cl	Na	K	Cl	Ca	Cl2
[mM]o	145	145	145	145	72.5	72.5	145	0.97	0.97
[mM]i	11	80	140	80	11	140	80	0.0057	80
pX	54	21	100	21	54	100	21	50	21

The ion concentrations used in GHK modelling to determine the membrane potential in different ionic solutions.