TABLE 2.

Average intramembrane potential changes (V) induced by various concentrations of divalent ions in lipid vesicles formed from mixtures of 70% egg PC and 30% brain PS

			(mV)
C2+ (M)	C+ (M)	C− (M)	Ba (n = 5)	Mg (n = 7)
0	0.14	0.14	0	0
0.0002	0.14	0.1404	0.4 ± 2.2	4.0 ± 2.0
0.002	0.14	0.144	8.7 ± 2.2	7.6 ± 1.6
0.01	0.14	0.164	17.0 ± 2.3	20.4 ± 2.2
0.02	0.14	0.184	22.6 ± 2.3	27.0 ± 1.9
0.05	0.14	0.244	30.1 ± 2.6	35.3 ± 2.1
0.15	0.14	0.444	40.5 ± 2.4	44.9 ± 1.5