Table 4 Disinfection effect on stainless steel carriers surface by 222-nm UVC excimer lamp (bacterial suspensions were prepared in TSB; stainless steel carriers were dried)
From: Study on disinfection effect of a 222-nm UVC excimer lamp on object surface
Diluent for bacterial suspension; treatment for stainless steel carriers | Temperature of the stainless steel carriers ( °C) | Mean log10 CFU in positive control group (range) | Mean KL ± SD for different irradiation time (s) | ||
|---|---|---|---|---|---|
30 | 60 | 90 | |||
TSB; dried | 4 | 6.14 (6.10–6.16) | Staphylococcus aureus | ||
2.86 ± 0.04 | 3.06 ± 0.01 | 3.28 ± 0.03 | |||
6.12 (6.08–6.16) | Escherichia coli | ||||
2.88 ± 0.03 | 3.07 ± 0.01 | 3.29 ± 0.02 | |||
6.09 (6.05–6.13) | Pseudomonas aeruginosa | ||||
2.90 ± 0.02 | 3.08 ± 0.01 | 3.34 ± 0.04 | |||
− 20 | 6.13 (6.09–6.16) | Staphylococcus aureus | |||
2.83 ± 0.02 | 3.05 ± 0.01 | 3.27 ± 0.03 | |||
6.10 (6.05–6.15) | Escherichia coli | ||||
2.87 ± 0.03 | 3.06 ± 0.02 | 3.27 ± 0.02 | |||
6.06 (6.02–6.09) | Pseudomonas aeruginosa | ||||
2.89 ± 0.02 | 3.07 ± 0.03 | 3.33 ± 0.02 | |||