alexa The synthesis of chitosan-based silver nanoparticles and their antibacterial activity.


Journal of Civil & Environmental Engineering

Author(s): Wei D, Sun W, Qian W, Ye Y, Ma X

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Abstract Chitosan-based silver nanoparticles were synthesized by reducing silver nitrate salts with nontoxic and biodegradable chitosan. The silver nanoparticles thus obtained showed highly potent antibacterial activity toward both Gram-positive and Gram-negative bacteria, comparable with the highly active precursor silver salts. Silver-impregnated chitosan films were formed from the starting materials composed of silver nitrate and chitosan via thermal treatment. Compared with pure chitosan films, chitosan films with silver showed both fast and long-lasting antibacterial effectiveness against Escherichia coli. The silver antibacterial materials prepared in our present system are promising candidates for a wide range of biomedical and general applications. This article was published in Carbohydr Res and referenced in Journal of Civil & Environmental Engineering

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