透明抗 SARS-CoV-2 和抗菌氧化银涂层。
Transparent Anti-SARS-CoV-2 and Antibacterial Silver Oxide Coatings.
机构信息
Department of Chemical Engineering and Center for Soft Matter and Biological Physics, Virginia Tech, Blacksburg, Virginia 24061, United States.
School of Public Health, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, Hong Kong, China.
出版信息
ACS Appl Mater Interfaces. 2022 Feb 23;14(7):8718-8727. doi: 10.1021/acsami.1c20872. Epub 2022 Feb 9.
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 AgO per mm caused a reduction of 99.3% of SARS-CoV-2 and >99.5% of , , and methicillin-resistant 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.
摘要
透明抗菌涂层可以在保持表面美观和触摸屏功能的同时，减少疾病传播。我们在玻璃上制备了一种氧化银颗粒在硅酸盐基质中的抗菌涂层。该基质是通过改进的 Stöber 溶胶-凝胶工艺，在气相中用水和氨生长而成的。与未涂层的玻璃相比，在玻璃上涂覆一层 2.4mg/mm 的 AgO，在 1 小时后，可使 SARS-CoV-2 减少 99.3%， 、 和耐甲氧西林金黄色葡萄球菌减少 >99.5%。我们设想，具有透明抗菌涂层的屏幕保护膜将特别适用于公共触摸屏，例如在超市和其他结账或登记设施中，许多人在短时间内使用同一个触摸屏。
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