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. 2020 Dec 1;5(56):2873–2880. doi: 10.1557/adv.2020.366

Antimicrobial Copper Cold Spray Coatings and SARS-CoV-2 Surface Inactivation

Bryer C Sousa 1,✉, Danielle L Cote 1
PMCID: PMC7790037  PMID: 33437532

Abstract

This article contextualizes how the antimicrobial properties and antipathogenic contact killing/inactivating performance of copper cold spray surfaces and coatings and can be extended to the COVID-19 pandemic as a preventative measure. Specifically, literature is reviewed in terms of how copper cold spray coatings can be applied to high-touch surfaces in biomedical as well as healthcare settings to prevent fomite transmission of SARS-CoV-2 through rapidly inactivating SARS-CoV-2 virions after contaminating a surface. The relevant literature on copper-based antipathogenic coatings and surfaces are then detailed. Particular attention is then given to the unique microstructurally-mediated pathway of copper ion diffusion associated with copper cold spray coatings that enable fomite inactivation.

Keywords: Antiviral Materials, Contact Killing/Inactivating Surfaces, Antimicrobial Coatings, Copper, Cold Spray, COVID-19, SARS-CoV-2, Antipathogenic Coatings

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