Silver-based, single-sided antibacterial cotton fabrics with improved durability via an l-cysteine binding effect

Silver-based, single-sided antibacterial cotton fabrics with improved durability via an... The main purpose of this work was to obtain durable antimicrobial cotton textiles functionalized with l-cysteine (Cys) and silver nanoparticles (Ag NPs). Cys molecules were covalently linked to cotton fibers via esterification with the cellulose hydroxyl groups, and the Ag NPs tightly adhered to the fiber surface via coordination bonds with the Cys thiol groups. As a result, the Ag NPs coating on the cotton fabric showed an excellent antibacterial function with an outstanding laundering durability. Even after 90 consecutive laundering tests, the modified cotton fabrics still showed satisfactory bacterial reduction rates against both Staphylococcus aureus and Escherichia coli, and the rates were are all higher than 94%. These findings will allow for broader applications of antimicrobial cotton textiles with a decreased safety risk and lower environmental impact due to the Ag NPs. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Cellulose Springer Journals

Silver-based, single-sided antibacterial cotton fabrics with improved durability via an l-cysteine binding effect

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Publisher
Springer Netherlands
Copyright
Copyright © 2018 by Springer Science+Business Media B.V., part of Springer Nature
Subject
Chemistry; Bioorganic Chemistry; Physical Chemistry; Organic Chemistry; Polymer Sciences; Ceramics, Glass, Composites, Natural Materials; Sustainable Development
ISSN
0969-0239
eISSN
1572-882X
D.O.I.
10.1007/s10570-018-1689-3
Publisher site
See Article on Publisher Site

Abstract

The main purpose of this work was to obtain durable antimicrobial cotton textiles functionalized with l-cysteine (Cys) and silver nanoparticles (Ag NPs). Cys molecules were covalently linked to cotton fibers via esterification with the cellulose hydroxyl groups, and the Ag NPs tightly adhered to the fiber surface via coordination bonds with the Cys thiol groups. As a result, the Ag NPs coating on the cotton fabric showed an excellent antibacterial function with an outstanding laundering durability. Even after 90 consecutive laundering tests, the modified cotton fabrics still showed satisfactory bacterial reduction rates against both Staphylococcus aureus and Escherichia coli, and the rates were are all higher than 94%. These findings will allow for broader applications of antimicrobial cotton textiles with a decreased safety risk and lower environmental impact due to the Ag NPs.

Journal

CelluloseSpringer Journals

Published: Feb 9, 2018

References

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