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Transparent Anti-SARS-CoV-2 and Antibacterial Silver Oxide Coatings.
Hosseini, Mohsen; Chin, Alex W H; Williams, Myra D; Behzadinasab, Saeed; Falkinham, Joseph O; Poon, Leo L M; Ducker, William A.
  • Hosseini M; Department of Chemical Engineering and Center for Soft Matter and Biological Physics, Virginia Tech, Blacksburg, Virginia 24061, United States.
  • Chin AWH; School of Public Health, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, Hong Kong, China.
  • Williams MD; Centre for Immunity and Infection, Hong Kong Science Park, Hong Kong, Hong Kong, China.
  • Behzadinasab S; Department of Biological Sciences, Virginia Tech, Blacksburg, Virginia 24061, United States.
  • Falkinham JO; Department of Chemical Engineering and Center for Soft Matter and Biological Physics, Virginia Tech, Blacksburg, Virginia 24061, United States.
  • Poon LLM; Department of Biological Sciences, Virginia Tech, Blacksburg, Virginia 24061, United States.
  • Ducker WA; School of Public Health, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, Hong Kong, China.
ACS Appl Mater Interfaces ; 14(7): 8718-8727, 2022 Feb 23.
Article in English | MEDLINE | ID: covidwho-1683917
ABSTRACT
Transparent antimicrobial coatings can maintain the aesthetic appeal of surfaces and the functionality of a touch-screen while adding the benefit of reducing disease transmission. We fabricated an antimicrobial coating of silver oxide particles in a silicate matrix on glass. The matrix was grown by a modified Stöber sol-gel process with vapor-phase water and ammonia. A coating on glass with 2.4 mg of Ag2O per mm2 caused a reduction of 99.3% of SARS-CoV-2 and >99.5% of Pseudomonas aeruginosa, Staphylococcus aureus, and methicillin-resistant Staphylococcus aureus compared to the uncoated glass after 1 h. We envisage that screen protectors with transparent antimicrobial coatings will find particular application to communal touch-screens, such as in supermarkets and other check-out or check-in facilities where a number of individuals utilize the same touch-screen in a short interval.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Oxides / Bacterial Infections / Silver Compounds / COVID-19 / Anti-Infective Agents Limits: Humans Language: English Journal: ACS Appl Mater Interfaces Journal subject: Biotechnology / Biomedical Engineering Year: 2022 Document Type: Article Affiliation country: Acsami.1c20872

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Oxides / Bacterial Infections / Silver Compounds / COVID-19 / Anti-Infective Agents Limits: Humans Language: English Journal: ACS Appl Mater Interfaces Journal subject: Biotechnology / Biomedical Engineering Year: 2022 Document Type: Article Affiliation country: Acsami.1c20872