Research and Publications

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Germicidal Efficacy and Mammalian Skin Safety of 222-nm UV Light

UV Medico:

We have previously shown that 207-nm ultraviolet (UV) light has similar antimicrobial properties as typical germicidal UV light (254 nm), but without...

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Safe Long-Term Use of 222 nm UVC Lamps on UV-Sensitive Mice

UV Medico:

Germicidal lamps that emit primarily 254 nm ultraviolet radiation (UV) are routinely utilized for surface sterilization but cannot be used for human...

222 nm UVC Light: Noncarcinogenic, Safe for Human Skin Sterilization

UV Medico:

Joint research between Kobe University and Ushio Inc. has provided proof for the first time in the world that direct and repetitive illumination from...

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Far-UVC wavelengths for disinfection are unlikely to harm skin

UV Medico:

Far-UVC (200 – 220 nm) has been proposed as an effective disinfection radiation that is safe to humans5. In 2014, Woods et al. undertook a...

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222nm UVC Light: Safe and Effective Bacterial Killer in Human Trials

UV Medico:

Introduction: Surgical site infection is one of the most severe complications of surgical treatments. However, the optimal procedure to prevent such...

Extreme Exposure to Filtered Far-UVC: A Case Study

UV Medico:

Far-UVC devices are being commercially sold as “safe for humans” for the inactivation of SARS-CoV-2, without supporting human safety data. We felt...

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Mouse Skin Reactions to 222nm and 235nm UV-C Light Exposure

UV Medico:

Biological response and DNA damage following irradiation with shorter wavelengths in the UV-C range were evaluated to investigate the safety at three...

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222nm Far-UVC Lamps: Antimicrobial in Hospital Waiting Areas

Christian K. Holm:

Background Hospital-acquired infections are a considerable challenge for vulnerable patients. Ultraviolet light based on the excitation of mercury...

Far-UVC Radiation: Current State-of Knowledge

UV Medico:

The International Ultraviolet Association (IUVA) has released a white paper titled “Far-UVC Radiation: Current State-of Knowledge,” which is a...