论文摘要
A new type of zeolite composite antibacterial agents was prepared by introducing zinc oxide and copper ions into 13 X zeolite through the coprecipitation and ion-exchange methods. The structural properties of the tested antibacterial material were characterized and the antibacterial activity was evaluated. In Cu2+/ZnO-13 X（CZ-13）, zinc oxide and copper ions were either embedded in the interlayer space or dispersed on surface of 13 X zeolite. Excellent antimicrobial activity of CZ-13 was observed on Escherichia coli（E. coli） and Staphylococcus aureus（S.aureus）. In the case of Cu2+/ZnO-13 X, both MIC and MBC against E.coli were 0.2 mg/mL and 0.8 mg/mL. For S.aureus, CZ-13 also showed similar antibacterial properties. The bacterial cells turned from normal rod-shape into irregular shapes after treatment with the tested CZ-13. An increase of the intracellular enzyme activity after CZ-13 addition suggested that the permeability of the cell membrane increased and bacteria were damaged.
论文目录
文章来源
类型: 期刊论文
作者: 麻晓霞,PEI Yangyang,马玉龙,PU Tao,LEI Yun
来源: Journal of Wuhan University of Technology(Materials Science) 2019年02期
年度: 2019
分类: 工程科技Ⅰ辑,农业科技
专业: 有机化工,植物保护
单位: State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University
基金: Funded by the National Natural Science Foundation of China(No.50564043)
分类号: TQ455
页码: 481-486
总页数: 6
文件大小: 1570K
下载量: 17
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