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Molecules ; 28(3)2023 Jan 20.
Article in English | MEDLINE | ID: mdl-36770717

ABSTRACT

In this study, a simple and effective way to produce washable antimicrobial wipes was developed based on the unique ability of raw cotton fiber to produce silver nanoparticles. A nanocomposite substructure of silver nanoparticles (25 ± 3 nm) was generated in raw cotton fiber without reducing and stabilizing agents. This nanocomposite raw cotton fiber (2100 ± 58 mg/kg in the concentration of silver) was blended in the fabrication of nonwoven wipes. Blending small amounts in the wipes-0.5% for antimicrobial properties and 1% for wipe efficacy-reduced the viability of S. aureus and P. aeruginosa by 99.9%. The wipes, fabricated from a blend of 2% nanocomposite raw cotton fiber, maintained their antibacterial activities after 30 simulated laundering cycles. The washed wipes exhibited bacterial reductions greater than 98% for both Gram-positive and Gram-negative bacteria.


Subject(s)
Anti-Infective Agents , Metal Nanoparticles , Nanocomposites , Cotton Fiber , Anti-Bacterial Agents/pharmacology , Anti-Bacterial Agents/chemistry , Silver/chemistry , Staphylococcus aureus , Metal Nanoparticles/chemistry , Gram-Negative Bacteria , Gram-Positive Bacteria , Anti-Infective Agents/pharmacology , Nanocomposites/chemistry
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