Inactivation of feline calicivirus using ultraviolet light-emitting diodes
Ultraviolet light-emitting diodes (UV-LEDs) with peak emission wavelengths of 265, 280 and 300 nm were applied for the inactivation of feline calicivirus (FCV) in water, and the results were compared to those derived with a common viral surrogate coliphage MS2. The fluence response profiles indicate...
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| Veröffentlicht in: | FEMS microbiology letters 2018-09, Vol.365 (18) |
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| creator | Oguma, Kumiko |
| description | Ultraviolet light-emitting diodes (UV-LEDs) with peak emission wavelengths of 265, 280 and 300 nm were applied for the inactivation of feline calicivirus (FCV) in water, and the results were compared to those derived with a common viral surrogate coliphage MS2. The fluence response profiles indicated that the log10-based inactivation rate constant of FCV was 0.113, 0.101 and 0.007 cm2 mJ-1 for the 265, 280 and 300 nm UV-LEDs, respectively, while that of MS2 was 0.034, 0.033 and 0.003 cm2 mJ-1 for the 265, 280 and 300 nm UV-LEDs, respectively. Namely, FCV was about two to three times more sensitive than MS2 to germicidal UV emissions adopted in this study, and the 265 nm and 280 nm UV-LEDs were particularly effective to inactivate FCV. Results of this study are to be a part of database on fluence response profiles of various microorganisms, which would foster the development of disinfection apparatuses equipped with UV-LEDs. |
| doi_str_mv | 10.1093/femsle/fny194 |
| format | Article |
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The fluence response profiles indicated that the log10-based inactivation rate constant of FCV was 0.113, 0.101 and 0.007 cm2 mJ-1 for the 265, 280 and 300 nm UV-LEDs, respectively, while that of MS2 was 0.034, 0.033 and 0.003 cm2 mJ-1 for the 265, 280 and 300 nm UV-LEDs, respectively. Namely, FCV was about two to three times more sensitive than MS2 to germicidal UV emissions adopted in this study, and the 265 nm and 280 nm UV-LEDs were particularly effective to inactivate FCV. 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| ispartof | FEMS microbiology letters, 2018-09, Vol.365 (18) |
| issn | 1574-6968 0378-1097 1574-6968 |
| language | eng |
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| source | Oxford University Press Journals All Titles (1996-Current); Alma/SFX Local Collection |
| subjects | Deactivation Disinfection Emissions Fluence Inactivation Light emitting diodes Microbiology Microorganisms Ultraviolet radiation Wavelengths |
| title | Inactivation of feline calicivirus using ultraviolet light-emitting diodes |
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