UV-LED 对冠状病毒的消毒效果：波长的影响。
UV-LED disinfection of Coronavirus: Wavelength effect.
机构信息
Department of Biology and Environment, Faculty of Natural Science, University of Haifa and Oranim College, Tivon 3600600, Israel.
School of Mechanical Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel.
出版信息
J Photochem Photobiol B. 2020 Nov;212:112044. doi: 10.1016/j.jphotobiol.2020.112044. Epub 2020 Sep 28.
UV light-emitting diodes (UV LEDs) are an emerging technology and a UV source for pathogen inactivation, however low UV-LED wavelengths are costly and have low fluence rate. Our results suggest that the sensitivity of human Coronavirus (HCoV-OC43 used as SARS-CoV-2 surrogate) was wavelength dependent with 267 nm ~ 279 nm > 286 nm > 297 nm. Other viruses showed similar results, suggesting UV LED with peak emission at ~286 nm could serve as an effective tool in the fight against human Coronaviruses.
紫外线发光二极管（UV LEDs）是一种新兴技术，也是一种用于病原体灭活的紫外线源，但是低波长的 UV-LED 成本高且辐照率低。我们的结果表明，人类冠状病毒（用作 SARS-CoV-2 替代物的 HCoV-OC43）的敏感性与波长有关，267nm279nm>286nm>297nm。其他病毒也显示出类似的结果，这表明峰值发射波长在286nm 的 UV LED 可以作为抗击人类冠状病毒的有效工具。
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