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《Rare Metal Materials and Engineering》 2014-S1
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Preparation and Characterization of Nano-silver/Oxidized Bacterial Cellulose Composites

Wen Xiaoxiao;Zheng Yudong;Wu Jian;Zhang Tao;Chen Xiaohua;School of Materials Science and Engineering, University of Science and Technology Beijing;  
The hydroxyl group of bacterial cellulose at the C-6 position was oxidized selectively into a aldehyde with periodate sodium. Nano-silver/oxidized bacterial cellulose composites for antimicrobial were prepared by aldehyde compound reaction with silver-ammino complex. The formation mechanism of nanoparticles was analyzed. Silver content, surface morphology, size of silver particles and crystal structure of the composites were studied. The bacteriostatic effect of the composites on staphylococcus aureus and the effect on proliferation of epidermal cell were also studied. The result shows that, AgNPs-DBC composites exhibit significant antibacterial activities, and allow attachment and growth of epidermal cells with no cytotoxicity emerged, so the composites may be potential materials for wound repair.
【Fund】: 国家自然科学基金(51073024;51273021);; 国家科技支撑计划(2011BAK15B04)
【CateGory Index】: O614.122;O636.11
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