TABLE 3.

The effects of selected compounds on membrane integrity in an imp mutant E. coli strain and human RBCs

Compound	Conc of compound	% Intracellular K+a	Concn of compound (μg/ml)	% Human RBC lysis at:
				2 h	24 h
3	16 μg/ml	73	16	1	1
			128	6	98
4		NDb	16	1	1
			128	13	76
5	4 μg/ml	18	16	10	34
			128	50	83
6	32 μg/ml	39	16	4	1
			128	50	100
Polymyxin B	16 μg/ml	25		ND	ND
Water	1.28%	100		ND	ND
Amphotericin B		ND	1	11	39
		ND	8	94	97
DMSOc		ND	0.5	0	3

^aRelative to the level for the untreated control. 

^bRelative to the level for the untreated control. 

^cDMSO, dimethyl sulfoxide.