Evaluation of Ag Nanoparticle Coated Air Filter Against Aerosolized Virus: Anti-viral Efficiency with Dust Loading

Overview

Journal J Hazard Mater

Publisher Elsevier

Specialty Environmental Health

Date 2015 Oct 6

PMID 26434534

Citations 36

Authors

Yun Haeng Joe

Dae Hoon Park

Jungho Hwang

Affiliations

Soon will be listed here.

Abstract

In this study, the effect of dust loading on the anti-viral ability of an anti-viral air filter was investigated. Silver nanoparticles approximately 11 nm in diameter were synthesized via a spark discharge generation system and were used as anti-viral agents coated onto a medium air filter. The pressure drop, filtration efficiency, and anti-viral ability of the filter against aerosolized bacteriophage MS2 virus particles were tested with dust loading. The filtration efficiency and pressure drop increased with dust loading, while the anti-viral ability decreased. Theoretical analysis of anti-viral ability with dust loading was carried out using a mathematical model based on that presented by Joe et al. (J. Hazard. Mater.; 280: 356-363, 2014). Our model can be used to compare anti-viral abilities of various anti-viral agents, determine appropriate coating areal density of anti-viral agent on a filter, and predict the life cycle of an anti-viral filter.

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