2020-08-18

Kobe University and Ushio Prove 222 nm Far UV-C Light Reduces Bacterial Counts and Causes No Damage on Human Skin

Ushio and a research group from Kobe University Graduate School of Medicine have completed a study proven that irradiation of filtered 222 nm UV-C light on human skin reduces bacterial counts while causing no injury to the skin. This is the first study on the safety of 222 nm far UVC light conducted on humans. The research paper regarding this study is published on PLOS ONE, titled “Exploratory clinical trial on the safety and bactericidal effect of 222-nm ultraviolet C irradiation in healthy humans.” (Image: Ushio) In this study, Ushio’s C...
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Strawberries flourish in a Controlled-Environment Agriculture Installation with Horticulture LED lighting provided by Cree LED and RED Horticulture. (Photo courtesy of RED Horticulture) The integration of technology into every aspect of life i... READ MORE

The prior blog titled “Nichia’s contribution to a realization of a mercury-free society” took a short break. However, there was a release about new LED-based water disinfection devices made by Miura Co., Ltd., a Japanese manu... READ MORE