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Survival fraction of Staphylococcus epidermis and Staphylococcus aureus under different UV irradiation time in the UV-riboflavin group (UV light energy: 5.273 mW/cm2).
| Irradiation time (min) | Survival fraction of S. epidermidis (%) | Survival fraction of S. aureus (%) |
|---|---|---|
| 0 | 100 | 100 |
| 5 | 47.5 ± 3.3 | 60.8 ± 4.3 |
| 10 | 43.5 ± 2.6 | 53.3 ± 3.0 |
| 20 | 38.1 ± 1.9 | 43.3 ± 1.7 |
| 30 | 6.2 ± 0.7 | 25.4 ± 1.4 |
