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Table 2 Log 10 -reduction of cell counts by five surface disinfectant cleaners against emerging multidrug-resistant enterobacteriaceae and corresponding ATCC strains

From: Efficacy of surface disinfectant cleaners against emerging highly resistant gram-negative bacteria

Species Isolate/strain Product (concentration) Contact time Log10-reduction
Serratia marcescens ATCC 14756 AAS (undiluted) 30 and 60 s > 5.47
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
  0MRGN AAS (undiluted) 30 and 60 s > 5.37
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
  3MRGN AAS (undiluted) 30 and 60 s > 5.17
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
  4MRGN OXA-48 AAS (undiluted) 30 and 60 s > 5.14
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
  4MRGN KPC-2 AAS (undiluted) 30 and 60 s > 5.09
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
Klebsiella pneumoniae ATCC 10031 AAS (undiluted) 30 and 60 s >5.34
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
  0MRGN AAS (undiluted) 30 and 60 s >5.08
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
  3MRGN AAS (undiluted) 30 and 60 s > 5.09
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
  4MRGN OXA-48 AAS (undiluted) 30 and 60 s >5.38
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
  4MRGN KPC-2 AAS (undiluted) 30 and 60 s >5.34
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
Klebsiella oxytoca ATCC 700324 AAS (undiluted) 30 and 60 s >5.14
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
  0MRGN AAS (undiluted) 30 and 60 s >5.36
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
  3MRGN AAS (undiluted) 30 and 60 s >5.31
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
  4MRGN OXA-48 AAS (undiluted) 30 and 60 s >5.31
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)
  4MRGN KPC-2 AAS (undiluted) 30 and 60 s >5.11
   SAS (0.5%) 30 and 60 min
   OR (0.4%)
   SASA1 (0.25%)
   SASA2 (0.5%)   
  1. Experiments were carried out in quadruplicate under dirty conditions; lowest log10-reduction values are shown.
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