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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