期刊
ACS APPLIED MATERIALS & INTERFACES
卷 14, 期 7, 页码 8718-8727出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.1c20872
关键词
SARS-CoV-2; antibacterial; antiviral; antimicrobial; silver oxide; Ag2O; transparent; coating; COVID-19
资金
- National Science Foundation [CHE-1531834, CBET-1902364]
- Health and Medical Research Fund [COVID190116]
- National Institute of Allergy and Infectious Diseases [HHSN272201400006C]
Transparent antimicrobial coatings can reduce disease transmission while maintaining surface aesthetics and functionality. Researchers fabricated a coating with silver oxide particles, which showed a significant reduction in SARS-CoV-2 and other common bacteria. These transparent antimicrobial coatings are expected to be widely used on communal touch-screens.
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 Stober sol-gel process with vapor-phase water and ammonia. A coating on glass with 2.4 mg of Ag2O per mm(2) 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 checkout or check-in facilities where a number of individuals utilize the same touch-screen in a short interval.
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