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Table 1 Recovery of P. aeruginosa from metal, plastic, or glass test carriers

From: Proposed phase 2/ step 2 in-vitro test on basis of EN 14561 for standardised testing of the wound antiseptics PVP-iodine, chlorhexidine digluconate, polihexanide and octenidine dihydrochloride

Exposure time on test carrier Metal carrier (9.4 log10)a Log10 difference Plastic carrier (9.5 log10)a Log10 difference Glass carrier (9.5 log10)a Log10 difference
5 min 7.8 ± 0.1 1.6 7.9 ± 0.1 1.6 6.7 ± 0.1 2.8
30 min 7.3 ± 0.2 2.1 7.4 ± 0.1 2.1 6.6 ± 0.1 2.9
3 h 7.1 ± 0.1 2.3 7.0 ± 0.4 2.5 6.1 ± 0.2 3.4
  1. aInitial cfu/mL count in the test suspension