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Antiviral Nanostructured Surfaces Reduce the Viability of SARS-CoV-2.
Hasan, Jafar; Pyke, Alyssa; Nair, Neelima; Yarlagadda, Tejasri; Will, Geoffrey; Spann, Kirsten; Yarlagadda, Prasad K D V.
  • Hasan J; Centre for Biomedical Technologies, Science and Engineering Faculty, Queensland University of Technology, Brisbane, Queensland 4000, Australia.
  • Pyke A; Public Health Virology Laboratory, Forensic and Scientific Services, Coopers Plains, Queensland 4108, Australia.
  • Nair N; Public Health Virology Laboratory, Forensic and Scientific Services, Coopers Plains, Queensland 4108, Australia.
  • Yarlagadda T; Centre for Immunology and Infection Control, Faculty of Health, School of Biomedical Sciences, Queensland University of Technology, Brisbane Queensland 4000, Australia.
  • Will G; Centre for Biomedical Technologies, Science and Engineering Faculty, Queensland University of Technology, Brisbane, Queensland 4000, Australia.
  • Spann K; Centre for Immunology and Infection Control, Faculty of Health, School of Biomedical Sciences, Queensland University of Technology, Brisbane Queensland 4000, Australia.
  • Yarlagadda PKDV; Centre for Biomedical Technologies, Science and Engineering Faculty, Queensland University of Technology, Brisbane, Queensland 4000, Australia.
ACS Biomater Sci Eng ; 6(9): 4858-4861, 2020 09 14.
Article in English | MEDLINE | ID: covidwho-841401
ABSTRACT
In this letter, we report the ability of the nanostructured aluminum Al 6063 alloy surfaces to inactivate the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). There was no recoverable viable virus after 6 h of exposure to the nanostructured surface, elucidating a 5-log reduction compared to a flat Al 6063 surface. The nanostructured surfaces were fabricated using wet-etching techniques which generated nanotextured, randomly aligned ridges approximately 23 nm wide on the Al 6063 alloy surfaces. In addition to the excellent mechanical resilience properties previously shown, the etched surfaces have also demonstrated superior corrosion resistance compared to the control surfaces. Such nanostructured surfaces have the potential to be used in healthcare environment such as hospitals and public spaces to reduce the surface transmission of SARS-CoV-2 and combat COVID-19.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Antiviral Agents / Nanostructures / Microbial Viability / SARS-CoV-2 Type of study: Experimental Studies / Randomized controlled trials Language: English Journal: ACS Biomater Sci Eng Year: 2020 Document Type: Article Affiliation country: Acsbiomaterials.0c01091

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Antiviral Agents / Nanostructures / Microbial Viability / SARS-CoV-2 Type of study: Experimental Studies / Randomized controlled trials Language: English Journal: ACS Biomater Sci Eng Year: 2020 Document Type: Article Affiliation country: Acsbiomaterials.0c01091