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An Emerging Innovative UV Disinfection Technology (Part II): Virucide Activity on SARS-CoV-2

Author

Listed:
  • Gabriele Messina

    (Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy)

  • Alessandro Della Camera

    (Department of Molecular and Developmental Medicine, Post Graduate School of Public Health, University of Siena, 53100 Siena, Italy)

  • Pietro Ferraro

    (Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy)

  • Davide Amodeo

    (Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy)

  • Alessio Corazza

    (SAES Getters S.p.A., Viale Italia 77, 20020 Lainate, Italy)

  • Nicola Nante

    (Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy)

  • Gabriele Cevenini

    (Department of Medical Biotechnologies, University of Siena, 53100 Siena, Italy)

Abstract

The coronavirus SARS-CoV-2 pandemic has become a global health burden. Surface sanitation is one of the key points to reduce the risk of transmission both in healthcare and other public spaces. UVC light is already used in hospital and laboratory infection control, and some recent studies have shown its effectiveness on SARS-CoV-2. An innovative UV chip technology, described in Part I of this study, has recently appeared able to overcome the limits of old lamps and is proposed as a valid alternative to LEDs. This study was designed to test the virucidal activity on SARS-CoV-2 of a device based on the new UV chip technology. Via an initial concentration of virus suspension of 10 7.2 TCID 50 /mL, the tests revealed a viral charge reduction of more than 99.9% after 3 min; the maximum detectable attenuation value of Log 10 = 5.7 was measured at 10 min of UV exposure.

Suggested Citation

  • Gabriele Messina & Alessandro Della Camera & Pietro Ferraro & Davide Amodeo & Alessio Corazza & Nicola Nante & Gabriele Cevenini, 2021. "An Emerging Innovative UV Disinfection Technology (Part II): Virucide Activity on SARS-CoV-2," IJERPH, MDPI, vol. 18(8), pages 1-10, April.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:8:p:3873-:d:531600
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    References listed on IDEAS

    as
    1. Vincenzo Alfano & Salvatore Ercolano, 2020. "The Efficacy of Lockdown Against COVID-19: A Cross-Country Panel Analysis," Applied Health Economics and Health Policy, Springer, vol. 18(4), pages 509-517, August.
    2. Gabriele Messina & Mattia Fattorini & Nicola Nante & Daniele Rosadini & Andrea Serafini & Marco Tani & Gabriele Cevenini, 2016. "Time Effectiveness of Ultraviolet C Light (UVC) Emitted by Light Emitting Diodes (LEDs) in Reducing Stethoscope Contamination," IJERPH, MDPI, vol. 13(10), pages 1-8, September.
    3. José G. B. Derraik & William A. Anderson & Elizabeth A. Connelly & Yvonne C. Anderson, 2020. "Rapid Review of SARS-CoV-1 and SARS-CoV-2 Viability, Susceptibility to Treatment, and the Disinfection and Reuse of PPE, Particularly Filtering Facepiece Respirators," IJERPH, MDPI, vol. 17(17), pages 1-31, August.
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    1. Gleidson Sobreira Leite & Adriano Bessa Albuquerque & Plácido Rogerio Pinheiro, 2021. "Applications of Technological Solutions in Primary Ways of Preventing Transmission of Respiratory Infectious Diseases—A Systematic Literature Review," IJERPH, MDPI, vol. 18(20), pages 1-50, October.

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