In Vitro Anti-Bacterial and Cytotoxic Properties of Silver-Containing Poly(L-lactide-co-glycolide) Nanofibrous Scaffolds

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Journal of Nanoscience and Nanotechnology, ISSN: 1533-4880, Vol: 11, Issue: 1, Page: 61-65

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Xing, Zhi-Cai; Chae, Won-Pyo; Huh, Man-Woo; Park, Lee Soon; Park, Soo-Young; Kwak, Giseop; Yoon, Keun-Byoung; Kang, Inn-Kyu
American Scientific Publishers; AMER SCIENTIFIC PUBLISHERS
Physics and Astronomy; Chemistry; Materials Science; Chemical Engineering; Engineering; Antibacterial; Cytotoxicity; Nanofiber; PLGA; Silver
article description
Electrospinning has recently emerged as a leading technique for the formation of nanofibrous structures made of organic and inorganic components. In this study, nanofibrous scaffolds were prepared by electrospining a bend solution of poly(L-lactide-co-glycolide) (PLGA) and silver nanoparticles in 1,1,1,3,3,3,-hexafluoro-2-propanol (HFIP). The resulting fibers ranged from 420 to 590 nm in diameter. To evaluate the possibility of using silver-containing PLGA as a tissue engineering scaffold, experiments on cell viability and antibacterial activity were carried out. As a result, PLGA nanofibrous scaffolds having silver nanoparticles of more than 0.5 wt% showed antibacterial effect against Staphylococcus aureus and Klebsiella pneumonia. Furthermore, silver-containing PLGA nanofibrous scaffolds showed viability, indicating their possible application in the field of tissue engineering. Copyright © 2011 American Scientific Publishers All rights reserved.