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Tea–Essential Oil–Metal Hybrid Nanocoatings for Bacterial and Viral Inactivation [dataset] Open Access

Natural plant-derived antimicrobial nanocoatings have been synthesised by mixing brewed tea with cinnamaldehyde oil. Concurrent addition of copper or silver salts produces hybrid tea–cinnamaldehyde–copper and tea–cinnamaldehyde–silver nanocoatings respectively. Tea–cinnamaldehyde, tea–cinnamaldehyde–copper, and tea–cinnamaldehyde–silver coatings are all found to display strong antibacterial efficacy against both Gram-negative E. coli and Gram-positive S. aureus (Log10 Reduction = 8.44 and 7.90 respectively). Tea–cinnamaldehyde–copper and tea–cinnamaldehyde–silver hybrid nanocoatings deposited onto non-woven polypropylene provide 98.6 % and 99.8 % deactivation respectively towards murine coronavirus MHV-A59 (a potential surrogate for COVID-19 global pandemic coronavirus SARS-CoV-2). Key advantages of this approach are that the coating fabrication involves just a single-step, utilises cheap reagents (which are widely available over the counter to the general public), does not require any equipment apart from a container, and the coatings spontaneously adhere to a variety of substrate materials (including silicon, glass, polyester, non-woven polypropylene, polytetrafluoroethylene, and cotton). Tea is one of the most ubiquitous beverages in the world, meaning that these antimicrobial coatings could be produced locally almost anywhere and by anyone without the need for any specialised technical training or expertise (for example, at remote field hospitals during humanitarian crises and in low-income countries).

Descriptions

Resource type
Dataset
Contributors
Creator: Cox, Harrison 1
Data collector: Cox, Harrison 1
1 Durham University, UK
Funder
British Council
Northern Accelerator
Research methods
Other description
Keyword
Functional surfaces
Hybrid nanocoating
Tea
Antibacterial materials
Virucidal agents
Coronavirus
COVID-19
Subject
Location
Language
Cited in
doi:10.1021/acsanm.1c03151
Identifier
ark:/32150/r1h415p9593
doi:10.15128/r1h415p9593
Rights
Creative Commons Attribution 4.0 International (CC BY)

Publisher
Durham University
Date Created

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J.P.S. Badyal
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23 January 2023, 15:01:06
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Filename: 230108_DATA ARCHIVE Tea Essential Oil Metal.zip
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