UV-LED disinfection of Coronavirus: Wavelength effect

Yoram Gerchman*, Hadas Mamane, Nehemya Friedman, Michal Mandelboim

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Article number112044
JournalJournal of Photochemistry and Photobiology B: Biology
StatePublished - Nov 2020


  • COVID19
  • Corona
  • Coronavirus
  • SARS
  • UV-LEDs
  • Wavelength


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