Table 2 Disinfection effect on stainless steel carriers surface by 222-nm UVC excimer lamp (temperature of the carriers was 20 °C; bacterial suspensions were prepared in TSB)
From: Study on disinfection effect of a 222-nm UVC excimer lamp on object surface
Diluent for bacterial suspension; treatment for stainless steel carriers | Mean log10 CFU in positive control group (range) | Mean KL ± SD for different irradiation time (s) | ||
|---|---|---|---|---|
15 | 30 | 60 | ||
TSB; not dried | 6.06 (6.02–6.10) | Staphylococcus aureus | ||
3.07 ± 0.02 | 3.25 ± 0.04 | 3.48 ± 0.02 | ||
6.01 (5.96–6.04) | Escherichia coli | |||
3.11 ± 0.01 | 3.32 ± 0.02 | 3.47 ± 0.06 | ||
5.98 (5.93–6.02) | Pseudomonas aeruginosa | |||
3.12 ± 0.03 | 3.34 ± 0.03 | 3.53 ± 0.04 | ||
TSB; dried | 6.11 (6.06–6.15) | Staphylococcus aureus | ||
2.90 ± 0.03 | 3.08 ± 0.02 | 3.31 ± 0.02 | ||
6.08 (6.05–6.12) | Escherichia coli | |||
2.91 ± 0.03 | 3.10 ± 0.01 | 3.36 ± 0.01 | ||
6.04 (6.01–6.08) | Pseudomonas aeruginosa | |||
2.92 ± 0.02 | 3.12 ± 0.02 | 3.37 ± 0.02 | ||