【1】YC UVC-222nm excimer Academic References

A number of international studies in the United States and Japan have shown that 222nm is safer and more effective in inactivating COVID-19

Boston University validates Signify UV-C for coronavirus deactivation.
• Source：https://www.ledsmagazine.com/lighting-health-wellbeing/article/14177977/boston-university-validates-signify-uvc-for-coronavirus-deactivation

A 222-nm UVC at 500 mJ/cm2 was a safe irradiation dose and possessed bactericidal effects. 222-nm UVC irradiation has a bactericidal effect on the human skin.
• This study is in the Kobe University Hospital. 
• Source：https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0235948

The effectiveness of 222-nm UVC irradiation on viable SARS-CoV-2. This technology could be used for infection prevention and control against COVID-19, not only in unoccupied spaces but also occupied spaces.
• This study is in the Hiroshima University.
• Source：https://www.ajicjournal.org/article/S0196-6553(20)30809-9/fulltext

Far-UVC Light Safely Kills Airborne Coronaviruses.
• Since SARS-CoV-2 is largely spread via droplets and aerosols that are coughed and sneezed into the air, it’s important to have a tool that can safely inactivate the virus while it’s in the air, particularly while people are around. Far-UVC light could be used in combination with other measures, like wearing face masks and washing hands, to limit the transmission of SARS-CoV-2 and other viruses.
• At the Vagelos College of Physicians and Surgeons at Columbia University Irving Medical Center has found.
• Source：https://www.cuimc.columbia.edu/news/far-uvc-light-safely-kills-airborne-coronaviruses

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• 【2】YC UVC-222nm excimer Academic References

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