UV Medico

Latest news from UV Medico

Far-UVC reduces the level of infectious airborne virus

A new study published in Scientific Reports shows that Far-UVC light at 222 nm can effectively kill airborne pathogens....

ISO 15858:2016 UVC Devices - Safety info - Permissible human exposure

The International Organization for Standardization 15858 was developed to highlight the minimum specifications on UVC...

ACGIH 2021 Threshold Limit Values and Biological Exposure Indices

The American Conference of Governmental Industrial Hygienists (ACGIH) is a scientific, private, non-profit, and...

Evaluating Corneal Damage from 222-nm and 254-nm UV Light in Rats

222nm ultraviolet (UV) light produced by a krypton–chlorine excimer lamp is harmful to bacterial cells but not to skin....

Far-UVC Krypton Chloride Lamps-Safer DNA Exposure Compared to Sunlight

This study used computer modeling to examine the DNA damage risk from far-UVC light versus sunlight. Results focused on...

Need to Revise Human Exposure Limits for Ultraviolet UVC Radiation

The COVID‐19 pandemic has greatly heightened interest in ultraviolet germicidal irradiation (UVGI) as an important...

UVC Light: A Safer Alternative for Reducing Surgical Site Infections

Key Findings: Impact of 254-nm UVC: Induces significant DNA damage in microorganisms and human cells, with marked CPD...

Filtered Far-UVC Light Causes Minimal DNA Damage to Human Skin

Researchers explored the effects of filtered Far-UVC light (222 nm) on human skin using both ex vivo full-thickness...

100 Years of data - Far-UVC Impact on Pathogens, Cells, Skin, and Eyes

The coronavirus pandemic requires new disinfection approaches, especially for airborne viruses. The 254 nm emission of...

Harmless Effects of 222 nm Far-UVC Radiation on Mouse Skin and Eyes

In this issue, Yamano et al. provide further evidence that germicidal 222‐nm far UV light has no immediate and delayed...

Far-UVC Light: Safe for Skin, No Erythema or DNA Damage Detected

It is well understood that ultraviolet‐C (UVC) radiation is effective for the destruction of micro‐organisms and...

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

We have previously shown that 207-nm ultraviolet (UV) light has similar antimicrobial properties as typical germicidal...

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

Germicidal lamps that emit primarily 254 nm ultraviolet radiation (UV) are routinely utilized for surface sterilization...

Research shows repetitive irradiation with 222nm UVC non-carcinogenic, safe for sterilizing human skin

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

Far-UVC wavelengths for disinfection are unlikely to harm skin

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

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

Introduction: Surgical site infection is one of the most severe complications of surgical treatments. However, the...

Extreme Exposure to Filtered Far-UVC: A Case Study

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

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

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

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

Background Hospital-acquired infections are a considerable challenge for vulnerable patients. Ultraviolet light based...

Far-UVC Radiation: Current State-of Knowledge

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

UVC Wavelengths Effectively Inactivate Coronaviruses and Phage Phi6

Ultraviolet (UV) devices emitting UVC irradiation (200–280 nm) have proven to be effective for virus disinfection,...

Far-UVC Light: Disinfects and Heals Methicillin-Resistant Infections

UVC radiation is known to be highly germicidal. However, exposure to 254-nm-UVC light causes DNA lesions such as...

Far-UVC Light Proven to Inactivate Coronavirus in Populated Rooms

There are increased risks of contracting COVID-19 in hospitals and long-term care facilities, particularly for...

222 nm UV Light Proven Effective for Disinfection in Pilot Study

Objective: To demonstrate the efficacy of the SafeZone UVC (Ushio Inc., Japan) 222 nm ultraviolet C (UVC) light to...
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1 min read

Far-UVC Light: Disinfects and Heals Methicillin-Resistant Infections

UVC radiation is known to be highly germicidal. However, exposure to 254-nm-UVC light causes DNA lesions such as cyclobutane pyrimidine dimers (CPD) in human cells, and can induce skin cancer after long-term repeated exposures. It has been reported...

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Far-UVC Light Proven to Inactivate Coronavirus in Populated Rooms

There are increased risks of contracting COVID-19 in hospitals and long-term care facilities, particularly for vulnerable groups. In these...

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222 nm UV Light Proven Effective for Disinfection in Pilot Study

Objective: To demonstrate the efficacy of the SafeZone UVC (Ushio Inc., Japan) 222 nm ultraviolet C (UVC) light to reduce bacterial burden in...

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1 min read

Far-UVC: Innovative Solution to Airborne Microbial Disease Control

Airborne-mediated microbial diseases such as influenza and tuberculosis represent major public health challenges. A direct approach to prevent...

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Far-UVC - Effectively Disinfects SARS-CoV-2 Surface Contamination

Background: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which causes coronavirus disease 2019 (COVID-19), has emerged as a serious...

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222 nm Far-UVC Light Safely Inactivates Airborne Human Coronaviruses

A direct approach to limit airborne viral transmissions is to inactivate them within a short time of their production. Germicidal ultraviolet light,...

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Ultraviolet Lighting During Orthopaedic Surgery and Rate of Infection

In this study, Ritter et al. compared the disinfection efficacy of laminar airflow (LAF) and conventional UV light over a nineteen-year period in...

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Far-UVC Light Proven Safe: No DNA Damage or Skin Lesions in Mice

In this study, chronic irradiation with 222 nm UVC light was revealed not to induce mutagenic or cytotoxic effects in the epidermis of mice. These...

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Far-UVC: Significantly Safer for Eyes, Proven by Corneal Damage Study

This peer-reviewed article evaluated acute corneal damage induced by 222 and 254 nm UV light in albino rats. In the study, no corneal damage was...

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Long-Term Study: UVC Lamps Safe for Mice Sensitive to UV Radiation

In a study conducted by Yamano et al., the long-term effects of UV222 irradiation on the skin and eyes were assessed using mice, which are known to...

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