Reactive oxygen species generated by irradiation with bandpass-filtered 222-nm Far-UVC play an important role in the germicidal mechanism to Escherichia coli

Kouji Narita^1,2, Risako Fukushi^1,3, Kyosuke Yamane^4, Yoshihiko Okumura⁴, Toru Koi⁴, Krisana Asano^1,5, Akio Nakane<sup>1,3,5

1</sup>Department of Microbiology and Immunology, Hirosaki University Graduate School of Medicine, Japan
²Institution for Animal Experimentation, Hirosaki University Graduate School of Medicine, Japan
³Department of Nursing, School of Health Science, Hirosaki University of Health and Welfare, Japan
⁴Ushio Inc., Japan