A novel Ag/graphene composite: facile fabrication and enhanced antibacterial properties |
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Authors: | Baojiang Jiang Chungui Tian Gang Song Wei Chang Guofeng Wang Qian Wu Honggang Fu |
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Affiliation: | 1. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People’s Republic of China, Heilongjiang University, Harbin, People’s Republic of China 2. Key Laboratory of Microbiology, College of Life Sciences, Heilongjiang University, Harbin, People’s Republic of China
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Abstract: | In this work, a novel Ag/graphene composite was synthesized as a promising antibacterial agent. The high-quality graphene was prepared from the expandable graphite first and silver nanoparticles (Ag NPs) were then supported on the graphene sheets by a facile chemical reduction. TEM, SEM, and XPS characterizations show the crystalline of Ag NPs with a typical diameter of 45–50 nm are homogeneously decorated onto graphene sheets without aggregation. Furthermore, the antibacterial activity of composite is investigated using the agar well diffusion method. Results reveal the Ag/graphene composites exhibit outstanding and stable antibacterial activity against E. coli due to good dispersibility of Ag NPs and high-quality of graphene substrate. |
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