Table 2.

Dependence of erythrocyte’s membrane surface charge density upon addition of T1–T4.

Concentration (µM)	Compound
	T1	T2	T3	T4
Surface charge density (10–2 C/m2)
0	− 1.77 ± 0.37	− 1.76 ± 0.37	− 1.85 ± 0.36	− 1.64 ± 0.34
1	− 2.53 ± 0.35***	− 2.65 ± 0.44***	− 1.82 ± 0.67	− 2.08 ± 0.37***
2.5	− 2.45 ± 0.41***	− 2.40 ± 0.44***	− 2.07 ± 0.60*	− 2.39 ± 0.36***
5	− 2.35 ± 0.32***	− 2.54 ± 0.35***	− 2.35 ± 0.44***	− 2.59 ± 0.40***
7.5	− 2.61 ± 0.25***	− 2.63 ± 0.22***	− 2.32 ± 0.32***	− 2.56 ± 0.39***
10	− 2.52 ± 0.23***	− 2.49 ± 0.23***	− 2.73 ± 0.40***	− 2.57 ± 0.31***

Statistical significance was estimate using One-Way ANOVA, *p < 0.05; ***p < 0.0001, results compared to control.