粒径对氧化锌抑菌活性的影响

Osamu Yamamoto
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引用次数: 840

摘要

采用0.1 ~ 0.8 μm不同粒径的氧化锌粉体,研究了粒径对氧化锌粉体抑菌活性的影响。通过测量电导率随细菌生长的变化,发现ZnO的抗菌活性随粒径的减小和粉末浓度的增加而增加。金黄色葡萄球菌的抑菌作用变化与大肠杆菌相似。而粒径对金黄色葡萄球菌的影响小于对大肠杆菌的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Influence of particle size on the antibacterial activity of zinc oxide

The influence of particle size on the antibacterial activity of ZnO powders was investigated using powders with different particle sizes ranging from 0.1 to 0.8 μm. By measuring the change in electrical conductivity with bacterial growth, it was found that the antibacterial activity of ZnO increased with decreasing particle size and increasing powder concentration. The changes of antibacterial action for Staphylococcus aureus were similar to those for Escherichia coli. However, the influence of particle size for Staphylococcus aureus was less than that for Escherichia coli.

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