Preparation of carboxymethyl chitosan/copper composites and their antibacterial properties
作者： Yuanyuan Li , Binjie Li , Yonghui Wu , Yanbao Zhao , Lei Sun
DOI: 10.1016/J.MATERRESBULL.2013.05.010
关键词:
摘要: Abstract Water-soluble carboxymethyl chitosan/copper (CMCS/Cu) composites were first successfully prepared by solution reduction method. The CMCS/Cu presented flower-like architectures, consisting of several intercrossing sheets, and reaction conditions had an important effect on the morphology resulting products. antibacterial activities composite against Staphylococcus aureus ( S. ), Bacillus subtilis B. Escherichia coli E. ) Pseudomonas aeruginosa P. also performed minimum inhibitory concentration (MIC), bactericidal (MBC), cup diffusion method optical density (OD 600 ). Results indicated that are selective in their action. They display more effective activity than other three stains, better , . There is no ability tested range, which indicates may be a copper-tolerant bacterium.
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