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