Ping Hu

Dynamic leader with extensive experience in strategic management and customer care, driving innovation and excellence at UV Medico.

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Far-UVC reduces the level of infectious airborne virus

Ping Hu: Jul 24, 2024

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

Ping Hu: Mar 5, 2024

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

ACGIH 2021 Threshold Limit Values and Biological Exposure Indices

Ping Hu: Mar 5, 2024

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

Ping Hu: Mar 5, 2024

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

Ping Hu: Mar 5, 2024

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

Ping Hu: Mar 5, 2024

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

Ping Hu: Mar 5, 2024

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

Ping Hu: Mar 5, 2024

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

Ping Hu: Mar 5, 2024

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

Ping Hu: Mar 5, 2024

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

Ping Hu: Mar 5, 2024

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

Ping Hu: Mar 5, 2024

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

Ping Hu: Mar 5, 2024

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

Ping Hu: Mar 4, 2024

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

Ping Hu: Mar 4, 2024

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

Ping Hu: Mar 4, 2024

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

Ping Hu: Mar 4, 2024

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

Ping Hu: Mar 4, 2024

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

Ping Hu: Mar 4, 2024

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

Far-UVC Radiation: Current State-of Knowledge

Ping Hu: Mar 4, 2024

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

Ping Hu: Mar 4, 2024

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

Ping Hu: Mar 4, 2024

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

Ping Hu: Mar 4, 2024

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

Ping Hu: Mar 4, 2024

Objective: To demonstrate the efficacy of the SafeZone UVC (Ushio Inc., Japan) 222 nm ultraviolet C (UVC) light to...
ACS Publications - Logo

1 min read

UVC Wavelengths Effectively Inactivate Coronaviruses and Phage Phi6

Picture of Ping Hu Ping Hu:

Ultraviolet (UV) devices emitting UVC irradiation (200–280 nm) have proven to be effective for virus disinfection, especially on surfaces and in air, due to their rapid effectiveness and limited to no material corrosion. Numerous studies of...

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1 min read

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

Picture of Ping Hu Ping Hu:

UVC radiation is known to be highly germicidal. However, exposure to 254-nm-UVC light causes DNA lesions such as cyclobutane pyrimidine dimers (CPD)...

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Nature - Logo

1 min read

Far-UVC Light Proven to Inactivate Coronavirus in Populated Rooms

Picture of Ping Hu Ping Hu:

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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JWC - Logo

1 min read

222 nm UV Light Proven Effective for Disinfection in Pilot Study

Picture of Ping Hu Ping Hu:

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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