铜
纳米颗粒
氧化铜
纤维素
氧化物
抗菌活性
化学工程
图层(电子)
基质(水族馆)
沉积(地质)
材料科学
复合数
化学
纳米技术
冶金
复合材料
细菌
古生物学
海洋学
沉积物
生物
地质学
工程类
遗传学
作者
Amin Yoosefi Booshehri,Rong Wang,Rong Xu
标识
DOI:10.1016/j.cej.2014.09.096
摘要
We report a simple in situ technique to deposit nanoparticles of copper oxide on the cellulose paper which forms a stable layer of CuO. This method can be used to deposit copper oxide on any substrate provided that it is wettable and tolerates relatively high pH around 10–12 for several hours. Same method was applied to deposit CuO on commercial textile and polyethersulfone flat sheet. The resultant CuOpaper shows superior antibacterial activity against Gram-positive and Gram-negative bacteria. This antibacterial effect is due to release of copper ions from CuO nanoparticles on the paper. The resultant composite can be used as cheap point of use system to produce safe, pathogen free drinking water.
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