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纳米Ce/TiO₂无机抗菌剂的制备及其性能评价

Preparation of Nano-Ce/TiO₂ Inorganic Antibacterial Agent and Evaluation of Its Antibacterial Activities

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【Author】 LIU Xue-feng1,3, ZHANG Li2, TU Ming-jing3 (1. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083; 2. Library, University of Science and Technology Beijing, Beijing 100083; 3. Department of Metallic Materials, Sichuan University, Chengdu, Sichuan 610065, China)

【机构】北京科技大学材料科学与工程学院；北京科技大学图书馆；四川大学金属材料系北京100083；四川大学金属材料系；四川成都610065；北京100083；四川成都610065；

【摘要】以纳米锐钛矿型TiO2粉体和硝酸铈为原料,采用浸渍法制备了纳米Ce/TiO2无机抗菌剂,运用抑菌圈法对其抗菌性能进行了评价,并对其抗菌机理进行了探讨.结果表明,制备得到的纳米Ce/TiO2无机抗菌剂在黑暗中具有优异的抗菌性能,其抗菌机理为稀土元素铈离子溶出抗菌.更多还原

【Abstract】 With anatase nano-TiO2 and Ce(NO3)3 as raw materials, the nano-Ce/TiO2 inorganic antibacterial agent have been prepared by impregnation method. The antibacterial activities was evaluated with the halo method and the antibacterial mechanism was studied. The results show that the nano-Ce/TiO2 inorganic antibacterial agent has outstanding antibacterial activities and the antibacterial mechanism is of rare earth cerium ion dissolving.更多还原