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Table 2 Toxic effect of the cell treatment with two surfactants to live S. aureus cells assessed by colony count

From: An improved assay for rapid detection of viable Staphylococcus aureus cells by incorporating surfactant and PMA treatments in qPCR

Surfactant Triton x-100 concentration (v/v) Sarkosyl concentration (m/v) NC
0.10% 0.25% 0.50% 2% 0.005% 0.025% 0.05% 0.25%
CFU/mLa 4.64 × 106 4.68 × 106 4.63 × 106 3.57 ×106 b 4.77 × 106 4.62 × 106 1.57 × 10 5 1.02 × 10 3 4.4 × 106
  1. arefers to the mean of colony counts in three plates
  2. bbold-faced number refers to a significant difference (p < 0.01) compared to the negative control (NC) or PBS control