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Fundamental characteristics of deep-UV light-emitting diodes and their application to control foodborne pathogens
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Shin, Joo-Yeon | - |
dc.contributor.author | Kim, Soo-Ji | - |
dc.contributor.author | Kim, Do-Kyun | - |
dc.contributor.author | Kang, Dong-Hyun | - |
dc.date.accessioned | 2024-05-08T04:21:38Z | - |
dc.date.available | 2024-05-08T04:21:38Z | - |
dc.date.created | 2018-01-10 | - |
dc.date.issued | 2016-01 | - |
dc.identifier.citation | Applied and Environmental Microbiology, Vol.82 No.1, pp.2-10 | - |
dc.identifier.issn | 0099-2240 | - |
dc.identifier.uri | https://hdl.handle.net/10371/201157 | - |
dc.description.abstract | Low-pressure mercury UV (LP-UV) lamps have long been used for bacterial inactivation, but due to certain disadvantages, such as the possibility of mercury leakage, deep-UV-C light-emitting diodes (DUV-LEDs) for disinfection have recently been of great interest as an alternative. Therefore, in this study, we examined the basic spectral properties of DUV-LEDs and the effects of UV-C irradiation for inactivating foodborne pathogens, including Escherichia coli O157:H7, Salmonella enterica serovar Typhimurium, and Listeria monocytogenes, on solid media, as well as in water. As the temperature increased, DUV-LED light intensity decreased slightly, whereas LP-UV lamps showed increasing intensity until they reached a peak at around 30 degrees C. As the irradiation dosage and temperature increased, E.coli O157: H7 and S. Typhimurium experienced 5- to 6-log-unit reductions. L. monocytogenes was reduced by over 5 log units at a dose of 1.67 mJ/cm(2). At 90% relative humidity (RH), only E. coli O157:H7 experienced inactivation significantly greater than at 30 and 60% RH. In a water treatment study involving a continuous system, 6.38-, 5.81-, and 3.47-log-unit reductions were achieved in E. coli O157:H7, S. Typhimurium, and L. monocytogenes, respectively, at 0.5 liter per minute (LPM) and 200 mW output power. The results of this study suggest that the use of DUV-LEDs may compensate for the drawbacks of using LP-UV lamps to inactivate foodborne pathogens. | - |
dc.language | 영어 | - |
dc.publisher | American Society for Microbiology | - |
dc.title | Fundamental characteristics of deep-UV light-emitting diodes and their application to control foodborne pathogens | - |
dc.type | Article | - |
dc.identifier.doi | 10.1128/AEM.01186-15 | - |
dc.citation.journaltitle | Applied and Environmental Microbiology | - |
dc.identifier.wosid | 000366891200001 | - |
dc.identifier.scopusid | 2-s2.0-84953896679 | - |
dc.citation.endpage | 10 | - |
dc.citation.number | 1 | - |
dc.citation.startpage | 2 | - |
dc.citation.volume | 82 | - |
dc.description.isOpenAccess | N | - |
dc.contributor.affiliatedAuthor | Kim, Do-Kyun | - |
dc.contributor.affiliatedAuthor | Kang, Dong-Hyun | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.subject.keywordPlus | ESCHERICHIA-COLI | - |
dc.subject.keywordPlus | WATER DISINFECTION | - |
dc.subject.keywordPlus | LISTERIA-MONOCYTOGENES | - |
dc.subject.keywordPlus | APPLE JUICE | - |
dc.subject.keywordPlus | ULTRAVIOLET-LIGHT | - |
dc.subject.keywordPlus | MEMBRANE DAMAGE | - |
dc.subject.keywordPlus | UNITED-STATES | - |
dc.subject.keywordPlus | C LIGHT | - |
dc.subject.keywordPlus | INACTIVATION | - |
dc.subject.keywordPlus | SALMONELLA | - |
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