Table 5 Disinfection effect on stainless steel carriers surface by LPM 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 (min) | ||
|---|---|---|---|---|
10 | 20 | 30 | ||
TSB; not dried | 6.17 (6.12–6.23) | Staphylococcus aureus | ||
3.31 ± 0.02 | 5.17 ± 0.25 | 5.77 ± 0.05 | ||
6.12 (6.08–6.16) | Escherichia coli | |||
3.33 ± 0.03 | 4.86 ± 0.20 | 5.62 ± 0.14 | ||
6.11 (6.06–6.15) | Pseudomonas aeruginosa | |||
3.39 ± 0.01 | 5.10 ± 0.25 | 5.51 ± 0.13 | ||
TSB; dried | 6.37 (6.28–6.46) | Staphylococcus aureus | ||
2.92 ± 0.03 | 4.29 ± 0.03 | 4.62 ± 0.06 | ||
6.33 (6.23–6.41) | Escherichia coli | |||
2.95 ± 0.02 | 4.33 ± 0.01 | 4.82 ± 0.03 | ||
6.29 (6.16–6.40) | Pseudomonas aeruginosa | |||
2.95 ± 0.02 | 4.31 ± 0.04 | 4.87 ± 0.26 | ||