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Table 1 The polydispersity index (measured by DLS) and viability of cells (expressed as CFU) after treatment with and without CTAB

From: Alteration of Zeta potential and membrane permeability in bacteria: a study with cationic agents

Treatment	log(CFU)		Polydispersity index
Treatment	E. coli	S. aureus	E. coli	S. aureus
Normal bacterial cell	9.14 ± 0.10	8.41 ± 0.24	0.31 ± 0.019	0.28 ± 0.023
Cell treated with 0.3 µg/ml CTAB	9.04 ± 0.52	8.05 ± 0.35	0.32 ± 0.032	0.29 ± 0.016
Cell treated with 30 µg/ml CTAB	5.06 ± 0.52**	4.02 ± 0.44**	0.75 ± 0.023**	0.79 ± 0.014**

Values are expressed as mean ± SEM; (n = 6)
** p < 0.01 (vs. control)

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