Immersive ultraviolet disinfection of E. coli and MS2 phage on woven cotton textiles

Article Immunology

Ultraviolet-C Light Evaluation as Adjunct Disinfection to Remove Multidrug-Resistant Organisms

Clare Rock et al.

Summary: The study found that using UV-C light disinfection daily and at discharge in addition to standard environmental cleaning did not reduce the transmission rates of C. difficile and VRE in cancer and solid organ transplant units.

CLINICAL INFECTIOUS DISEASES (2022)

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Letter Immunology

Fast inactivation of SARS-CoV-2 by UV-C and ozone exposure on different materials

Elena Criscuolo et al.

Summary: The rapid spread of SARS-CoV-2 has led to over a million deaths from COVID-19. Proper disinfection of objects, tissues, and clothes can restrict viral transmission in public environments. Effective disinfection systems like UV-C and ozone can help prevent the spread of the virus.

EMERGING MICROBES & INFECTIONS (2021)

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Article Engineering, Environmental

Community Transmission of SARS-CoV-2 by Surfaces: Risks and Risk Reduction Strategies

Ana K. Pitol et al.

Summary: The study found that while transmission of SARS-CoV-2 through surfaces is possible, hand disinfection significantly reduces the risk of transmission, whereas the effectiveness of surface disinfection depends on prevalence rates and frequency of contacts.

ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS (2021)

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Article Multidisciplinary Sciences

Specificity of UV-C LED disinfection efficacy for three N95 respirators

C. Carolina Ontiveros et al.

Summary: The study revealed the impact of polymer types on the disinfection efficacy of respirator filter layers, with polypropylene showing higher efficiency than PET-P. Silicone rubber bands on respirators were found to achieve higher disinfection efficacy compared to PET-P bands, highlighting the importance of an appropriate UV system design for respirator disinfection and repurposing.

SCIENTIFIC REPORTS (2021)

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Article Instruments & Instrumentation

Efficacy of Ultraviolet-C Devices for the Disinfection of Personal Protective Equipment Fabrics and N95 Respirators

Kumari Moothedath Chandran et al.

Summary: With the surge in UV-C disinfection products during the COVID-19 pandemic, designers faced challenges in validating product efficacy without access to virology labs, standards, and certification. The study evaluated UV-C devices for viricidal efficacy and established guidelines for designing effective UV-C disinfection products.

JOURNAL OF RESEARCH OF THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY (2021)

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Article Instruments & Instrumentation

Perspectives and Recommendations Regarding Standards for Ultraviolet-C Whole-Room Disinfection in Healthcare

Arthur Kreitenberg et al.

Summary: The well-being of patients should be the primary consideration when determining standards for disinfection systems based on ultraviolet-C (UV-C) radiation. The article discusses specific, evidence-based recommendations for validating UV-C-emitting systems, including criteria for satisfactory performance. Adopting these requirements will enhance the prevention of healthcare-associated infections derived from the environment.

JOURNAL OF RESEARCH OF THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY (2021)

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Article Multidisciplinary Sciences