Biogenic Silver Nanoparticles: Antibacterial and Cytotoxicity Applied to Textile Fabrics

Abstract:

The silver nanoparticles production (~8 nm) by Fusarium oxysporum was evidenced by the presence of the plasmon absorption band. These particles were stable by several months due to protein capping originated by the biogenic process as observed by transmission electron microscopy (TEM). The cytotoxicity of silver nanoparticles was assayed on V79 fibroblast cell line and were evaluated by tetrazolium reduction and neutral red uptake giving an IC₅₀ of 22 μM. Silver nanoparticles impregnation in textile fabrics was made through the padding method and their impregnation was confirmed by SEM-EDS. The antimicrobial tests on the textile fabric were done with different bacteria. These fabrics showed antimicrobial activity against all the studied bacteria. The antimicrobial activity was maintained until the 30ª washes showing the high adhesion of these nanoparticles on the fabric fibers probably due to interaction between protein capping and fibers. Then, it was demonstrated an efficient method of stable silver nanoparticles production and their high adhesion on the textile fabrics.

• Periodical: Journal of Nano Research (Volume 20)
• Pages: 69-76
• DOI: https://doi.org/10.4028/www.scientific.net/JNanoR.20.69
• Online since: December 2012
• Authors: Priscyla D. Marcato, Gerson Nakasato, Marcelo Brocchi, Patricia S. Melo, Stephany C. Huber, Iasmin R. Ferreira, Oswaldo L. Alves, Nelson Durán

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