Inactivation of coronaviruses under irradiation by UVA-range light-emitting diodes

We report the results of the development of an experimental stand based on UVA light-emitting diodes (UVA LEDs) with radiation wavelengths of 385 and 395 nm for studying experimentally the inactivation of viruses of the coronavirus family, including SARS-CoV-2. Methodological grounds are presented f...

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Veröffentlicht in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2022-01, Vol.52 (1), p.83-86
Hauptverfasser: Zavestovskaya, I.N., Gushchin, V.A., Russu, L.I., Cheshev, E.A., Koromyslov, A.L., Tupitsyn, I.M., Fronya, A.A., Grigoryeva, M.S.
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Sprache:eng
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Zusammenfassung:We report the results of the development of an experimental stand based on UVA light-emitting diodes (UVA LEDs) with radiation wavelengths of 385 and 395 nm for studying experimentally the inactivation of viruses of the coronavirus family, including SARS-CoV-2. Methodological grounds are presented for determining the inactivation dose that provides a predetermined decrease in the virus titre under the impact of UVA radiation. The effect of the diode radiation divergence on the virus photoinactivation process is investigated. It is shown that UVA LEDs can be used to reduce the virus titre by 4 orders of magnitude.
ISSN:1063-7818
1468-4799
DOI:10.1070/QEL17969