In vitro degradation and drug‐release behavior of electrospun,fibrous webs of poly(lactic‐co‐glycolic acid) |
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Authors: | Kyung Hwa Hong Seok Hoon Woo Tae Jin Kang |
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Affiliation: | Intelligent Textile System Research Center, Seoul National University, Seoul 151‐742, South Korea |
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Abstract: | Ultrafine fibrous webs of poly(lactide‐co‐glycolic acid) (PLGA) containing the bactericidal antibiotic drug rifampin were prepared by electrospinning, and their properties were investigated for wound‐dressing applications. Because PLGA is a biodegradable and biocompatible polymer, it is one of the best materials for the preparation of wound‐dressing substrates. Through this investigation of PLGA/rifampin electrospun webs, we found that the in vitro degradation reached approximately 60% in 10 days, and the drug release from the webs showed a fast and constant profile suitable for wound‐dressing applications. Also, we observed that both the web‐degradation rate and the drug‐release rate increased as the drug concentration in the PLGA/rifampin electrospun webs and the content level of glycolide units in the PLGA polymer matrix increased. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012 |
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Keywords: | biodegradable drug delivery systems fibers |
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