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 filters 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 novel Ni-foam–based filter when heated up to 200 °C. In addition, 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.
Original language | English (US) |
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Article number | 100249 |
Journal | Materials Today Physics |
Volume | 15 |
DOIs | |
State | Published - Dec 2020 |
Keywords
- Bacillus anthracis
- COVID-19
- Heated Ni-foam–based filter
- SARS-CoV-2
- Transmission
ASJC Scopus subject areas
- General Materials Science
- Energy (miscellaneous)
- Physics and Astronomy (miscellaneous)