Light Source | Radiant Exposure | Bacterial/Fungi species/strains | Inactivation efficacy |
254 nm UVC | 15.54 mW/cm2 | MRSA, VRE antibiotic susceptible strains of S. aureus and E. faecalis | Illuminated 5 seconds, 99.9% MRSA and VRE inactivation; illuminated 9 seconds, 100% MRSA inactivation; illuminated 45 seconds, 100% VRE inactivation |
254 nm UVC | 5 mW/cm2 | MRSA, Streptococcus pyogenes | Illuminated 5 seconds, methicillin-resistant, coagulase-negative Staphylococcus and Streptococcus pyogenes inactivation; Illuminated 15 seconds, methicillin-susceptible S. aureus and Enterococci species inactivation |
265 nm UVC | 1.93 mJ/cm2 | S. aureus, E. coli, Pseudomonas aeruginosa, S. pyogenes | Illuminated 1 seconds, 100% inhibition for all strains |
254 nm UVC | 1500 mJ/cm2 | catheter biofilms of E. coli, coagulase-negative Staphylococcus, E. faecalis, Streptococcus, P. aeruginosa, Coryneforms | Mean killing rates of the bacteria in catheter biofilms were 89.6% (11.8 mJ/cm2), 98% (47 mJ/cm2) and 99% (1500 mJ/cm2) |
254 nm UVC | 120 mJ/cm2 | Trichophyton rubrum, T. mentagrophytes, Epidermophyton floccosum, Microsporum canis. | 3 - 5 log10 of fungal inactivation |
UVC | 15.54 mW/cm2 | bacteria (P.aeruginosa and Mycobacterium abscessus) and fungi (Candida albicans, Aspergillus fumigatus) | Illuminated 3 - 5 seconds, 99% bacteria inactivation; Illuminated 15 - 30 seconds, 99% fungi inactivation |