Flow-Through Portable Antivirus UV-C Optical Enclosures to be Used with Protective Masks | Zendy

Özgür Selimoğlu | Zendy

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Flow-Through Portable Antivirus UV-C Optical Enclosures to be Used with Protective Masks

Author(s) -

Özgür Selimoğlu

Publication year - 2021

Publication title -

international journal of optics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.263

H-Index - 17

eISSN - 1687-9392

pISSN - 1687-9384

DOI - 10.1155/2021/7427717

Subject(s) - enclosure , irradiance , sterilization (economics) , covid-19 , sun protection factor , environmental science , sunlight , optics , materials science , optoelectronics , computer science , physics , telecommunications , medicine , business , disease , pathology , dermatology , infectious disease (medical specialty) , foreign exchange market , finance , exchange rate

UV-C light is an important disinfection tool against airborne viruses, while also being harmful if the light reaches the human skin. Body-attached reflective flow-through optical enclosures can be used for isolating the UV-C light from the user as well as elevating the irradiance level. In this study, we explain why air-sterilizing light enclosures are more effective than the expectations by introducing a dose multiplication factor of 4. As a result of omnidirectional illumination, air sterilization becomes more effective than surface disinfection if similar irradiance levels are measured from the enclosure wall. The methodology is explained by the design of a portable enclosure device primarily targeting the COVID-19 virus, and disinfection effectiveness better than 99.5% is demonstrated by biological tests.

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