Catching and Killing of Airborne SARS-CoV-2 to Control Spread of COVID-19 by a Heated Air Disinfection System

Overview

Journal Mater Today Phys

Publisher Elsevier

Date 2021 Jun 26

PMID 34173438

Citations 15

Authors

L Yu

G K Peel

F H Cheema

W S Lawrence

N Bukreyeva

C W Jinks

J E Peel

J W Peterson

S Paessler

M Hourani

Z Ren

Affiliations

Soon will be listed here.

Abstract

Airborne transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) 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 , an airborne spore. This study paves the way for preventing transmission of SARS-CoV-2 and other highly infectious airborne agents in closed environments.

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