A Natural Virucidal and Microbicidal Spray Based on Polyphenol-Iron Sols

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Numerous disinfection methods have been developed to reduce the transmission of infectious diseases that threaten human health. However, it still remains elusively challenging to develop eco-friendly and cost-effective methods that deactivate a wide range of pathogens, from viruses to bacteria and fungi, without doing any harm to humans or the environment. Herein we report a natural spraying protocol, based on a water-dispersible supramolecular sol of nature-derived tannic acid (TA) and Fe3+, which is easy-to-use and low-cost. Our formulation effectively deactivates viruses (influenza A viruses, SARS-CoV-2, and human rhinovirus) as well as suppressing the growth and spread of pathogenic bacteria (Escherichia coli, Salmonella typhimurium, Staphylococcus aureus, and Acinetobacter baumannii) and fungi (Pleurotus ostreatus and Trichophyton rubrum). Its versatile applicability in a real-life setting is also demonstrated against microorganisms present on the surfaces of common household items (e.g., air filter membranes, disposable face masks, kitchen sinks, mobile phones, refrigerators, and toilet seats).
Publisher
AMER CHEMICAL SOC
Issue Date
2023-04
Language
English
Article Type
Article
Citation

ACS APPLIED BIO MATERIALS, v.6, no.5, pp.1981 - 1991

ISSN
2576-6422
DOI
10.1021/acsabm.3c00195
URI
http://hdl.handle.net/10203/312065
Appears in Collection
CH-Journal Papers(저널논문)
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