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Catch and kill airborne SARS-CoV-2 to control spread of COVID-19 by a heated air disinfection system

View ORCID ProfileLuo Yu, Garrett K. Peel, Faisal H. Cheema, William S. Lawrence, Natalya Bukreyeva, Christopher W. Jinks, Jennifer E. Peel, Johnny W. Peterson, Slobodan Paessler, Monzer Hourani, View ORCID ProfileZhifeng Ren
doi: https://doi.org/10.1101/2020.06.13.150243
Luo Yu
1Department of Physics and Texas Center for Superconductivity at the University of Houston (TcSUH), University of Houston, Houston, TX 77204, USA
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Garrett K. Peel
2Medistar Corporation, 7670 Woodway, Suite 160, Houston, TX 77063, USA
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Faisal H. Cheema
3Department of Biomedical & Clinical Sciences, University of Houston College of Medicine, Houston, TX 77204, USA
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William S. Lawrence
4Aerobiology Division, Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA
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Natalya Bukreyeva
5Preclinical Studies Core, Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX 77550, USA
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Christopher W. Jinks
2Medistar Corporation, 7670 Woodway, Suite 160, Houston, TX 77063, USA
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Jennifer E. Peel
4Aerobiology Division, Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA
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Johnny W. Peterson
4Aerobiology Division, Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA
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Slobodan Paessler
5Preclinical Studies Core, Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX 77550, USA
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Monzer Hourani
2Medistar Corporation, 7670 Woodway, Suite 160, Houston, TX 77063, USA
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Zhifeng Ren
1Department of Physics and Texas Center for Superconductivity at the University of Houston (TcSUH), University of Houston, Houston, TX 77204, USA
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  • ORCID record for Zhifeng Ren
  • For correspondence: zren@uh.edu
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Abstract

Airborne transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) via air-conditioning systems poses a significant threat for the continued escalation of the current coronavirus disease (COVID-19) pandemic. Considering that SARS-CoV-2 cannot tolerate temperatures above 70 °C, here we designed and fabricated efficient air disinfection systems based on heated nickel (Ni) foam to catch and kill SARS-CoV-2. Virus test results revealed that 99.8% of the aerosolized SARS-CoV-2 was caught and killed by a single pass through a Ni-foam-based filter when heated up to 200 °C. Additionally, the same filter was also used to catch and kill 99.9% of Bacillus anthracis, an airborne spore. This study paves the way for preventing transmission of SARS-CoV-2 and other highly infectious airborne agents in closed environments.

One Sentence Summary Heated Ni-foam filters are capable of effectively catching and killing airborne SARS-CoV-2 and Bacillus anthracis spores.

Competing Interest Statement

M.H. filed a provisional patent application on the work described here.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. All rights reserved. No reuse allowed without permission.
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Posted June 16, 2020.
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Catch and kill airborne SARS-CoV-2 to control spread of COVID-19 by a heated air disinfection system
Luo Yu, Garrett K. Peel, Faisal H. Cheema, William S. Lawrence, Natalya Bukreyeva, Christopher W. Jinks, Jennifer E. Peel, Johnny W. Peterson, Slobodan Paessler, Monzer Hourani, Zhifeng Ren
bioRxiv 2020.06.13.150243; doi: https://doi.org/10.1101/2020.06.13.150243
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Catch and kill airborne SARS-CoV-2 to control spread of COVID-19 by a heated air disinfection system
Luo Yu, Garrett K. Peel, Faisal H. Cheema, William S. Lawrence, Natalya Bukreyeva, Christopher W. Jinks, Jennifer E. Peel, Johnny W. Peterson, Slobodan Paessler, Monzer Hourani, Zhifeng Ren
bioRxiv 2020.06.13.150243; doi: https://doi.org/10.1101/2020.06.13.150243

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