A 265-Nanometer High-Power Deep-UV Light-Emitting Diode Rapidly Inactivates SARS-CoV-2 Aerosols | Zendy

Hiroshi Ueki | Zendy; Mutsumi Ito | Zendy; Yuri Furusawa | Zendy; Seiya Yamayoshi | Zendy; Shinichiro Inoue | Zendy; Yoshihiro Kawaoka | Zendy

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A 265-Nanometer High-Power Deep-UV Light-Emitting Diode Rapidly Inactivates SARS-CoV-2 Aerosols

Author(s) -

Hiroshi Ueki,

Mutsumi Ito,

Yuri Furusawa,

Seiya Yamayoshi,

Shinichiro Inoue,

Yoshihiro Kawaoka

Publication year - 2022

Publication title -

msphere

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.749

H-Index - 39

ISSN - 2379-5042

DOI - 10.1128/msphere.00941-21

Subject(s) - aerosolization , irradiation , nanometre , covid-19 , materials science , optoelectronics , diode , physics , biology , nuclear physics , medicine , disease , pathology , infectious disease (medical specialty) , anatomy , composite material , inhalation

We developed a 265-nm high-power DUV-LED irradiation system and quantitatively demonstrated that the DUV-LED can inactivate SARS-CoV-2 in suspensions and aerosols within very short irradiation times. We also found that the inactivation effect was about nine times greater against aerosolized SARS-CoV-2 than against SARS-CoV-2 suspensions.

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