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Nanocomposites of Genipin‐Crosslinked Chitosan/Silver Nanoparticles ‐ Structural Reinforcement and Antimicrobial Properties
Author(s) -
Liu BaiShuan,
Huang TsungBin
Publication year - 2008
Publication title -
macromolecular bioscience
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.924
H-Index - 105
eISSN - 1616-5195
pISSN - 1616-5187
DOI - 10.1002/mabi.200800053
Subject(s) - genipin , nanocomposite , chitosan , nanoparticle , materials science , silver nanoparticle , chemical engineering , polymer , antimicrobial , polymer chemistry , chemistry , nuclear chemistry , composite material , nanotechnology , organic chemistry , engineering
This study investigates the feasibility of a novel nanocomposite (GC/Ag) of a genipin‐crosslinked chitosan (GC) film in which was embedded various amounts of Ag nanoparticles for wound‐dressing applications. In situ UV‐vis results revealed that adding chitosan solution did not affect the characteristics of Ag nanoparticles. The water uptake ratios and surface hydrophilicity of the GC/Ag nanocomposite were better and the degradation rates slightly lower than those of the pure GC film. The presence of Ag nanoparticles enhanced L929 cell attachment and growth. Its function as an anti‐microbial agent in a GC/Ag nanocomposite was assessed for Ag contents of over 100 ppm. In conclusion, silver ions had dual functions ‐ structural reinforcement and provision of antimicrobial properties to a biocompatible polymer.

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