Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/34788
Title: Antimicrobial effect of surgical masks coated with nanoparticles
Authors: Li, Y 
Leung, P 
Yao, L
Song, QW
Newton, E
Keywords: Antimicrobial
Nanoparticles
E. coli
S. aureus
Issue Date: 2006
Publisher: Elsevier
Source: Journal of hospital infection, 2006, v. 62, no. 1, p. 58-63 How to cite?
Journal: Journal of hospital infection
Abstract: This study assessed the antimicrobial activity of nanoparticles (consisting of a mixture of silver nitrate and titanium dioxide) and nanoparticle-coated facemasks to protect against infectious agents. The minimum inhibitory concentrations of the nanoparticles against Escherichia coli and Staphylococcus aureus were 1/128 and 1/512, respectively. The antibacterial activity of nanoparticle-coated masks was quantified according to the procedures of AATCC 100-1999. A 100% reduction in viable E. coli and S. aureus was observed in the coated mask materials after 48 h of incubation. Skin irritation was not observed in any of the volunteers who wore the facemasks. Nanoparticles show promise when applied as a coating to the surface of protective clothing in reducing the risk of transmission of infectious agents.
URI: http://hdl.handle.net/10397/34788
ISSN: 0195-6701
DOI: 10.1016/j.jhin.2005.04.015
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