Far uvc light12/14/2022 This is because, at 222 nm, its wavelength is too short to penetrate human skin or eye cells. A decade ago, researchers at Columbia University in the US discovered that a different wavelength of UVC light, known as far-UVC light, would be just as effective at killing germs, but without the safety concerns. While ordinary UVC light is very effective at destroying microbes like bacteria and viruses, it is hazardous for humans because it can damage skin and eyes. The result suggests that lamps operating at this wavelength could be used to combat common airborne viruses, including SARS-CoV-2, and thus prevent the transmission of diseases like COVID-19. (Courtesy: )įar ultraviolet-C light can reduce the level of airborne microbes in a room by more than 92%, according to a new study by researchers in the UK and the US.
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