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[1]陈 凡,刘向宇,姜兴茂,等.粒径可控的TeO2纳米颗粒合成及其抗耐药菌活性研究[J].武汉工程大学学报,2020,42(05):473-477.[doi:10.19843/j.cnki.CN42-1779/TQ.202002019]
 CHEN Fan,LIU Xiangyu,JIANG Xingmao,et al.Controllable Synthesis of TeO2 Nanoparticles and Its Antibacterial Effect on Drug-Resistance Bacteria[J].Journal of Wuhan Institute of Technology,2020,42(05):473-477.[doi:10.19843/j.cnki.CN42-1779/TQ.202002019]
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粒径可控的TeO2纳米颗粒合成及其抗耐药菌活性研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
42
期数:
2020年05期
页码:
473-477
栏目:
化学与化学工程
出版日期:
2021-01-29

文章信息/Info

Title:
Controllable Synthesis of TeO2 Nanoparticles and Its Antibacterial Effect on Drug-Resistance Bacteria
文章编号:
1674 - 2869(2020)05 - 0473 - 05
作者:
陈 凡刘向宇姜兴茂吕 中*
武汉工程大学环境生态与生物工程学院,湖北 武汉 430205
Author(s):
CHEN Fan LIU Xiangyu JIANG Xingmao Lü Zhong*
School of Environmental Ecology and Biological Engineering,Wuhan Institute of Technology,Wuhan 430205,China
关键词:
耐甲氧西林金黄色葡萄球菌气溶胶法TeO2纳米颗粒
Keywords:
methicillin-resistant Staphylococcus aureus aerosol method TeO2 nanoparticle
分类号:
R446.1
DOI:
10.19843/j.cnki.CN42-1779/TQ.202002019
文献标志码:
A
摘要:
临床常见的耐甲氧西林金黄色葡萄球菌(MRSA)给人类健康带来严重的威胁,为抑制该细菌,采用气溶胶法,通过控制不同反应温度合成不同尺寸的TeO2纳米颗粒,以X-射线衍射、扫描电子显微镜对样品的组成和形貌进行表征;通过最小抑菌浓度法(MIC)测定TeO2对临床分离的对多种抗生素具有耐药性MRSA的抗菌活性,此外还与常见抗菌剂纳米银及商用TeO2等进行比较。实验结果显示:合成的TeO2随反应温度升高,粒径变小,从600 nm到30 nm不等;同时,粒径越小,TeO2纳米颗粒对MRSA的抗菌效果增强,粒径为30 nm时,MIC值为8 μg/mL。并且相同质量浓度下,TeO2对MRSA的抗菌活性远高于商用TeO2,略低于纳米银。
Abstract:
Methicillin-resistant Staphylococcus aureus (MRSA) poses a serious threat to human health. To inhibit the bacteria, TeO2 nanoparticles with different sizes were synthesized by an aerosol method at different reaction temperatures, and characterized by X-ray diffraction and scanning electron microscopy. The antimicrobial activity of TeO2 against clinically isolated MRSA, which is resistant to a number of antibiotics, was determined by the minimal antimicrobial concentration (MIC) method. The results show that the particle sizes of TeO2 decrease in the range of 600 nm to 30 nm with the increase of reaction temperature. The smaller the particle size is, the stronger the antibacterial effect of TeO2 nanoparticles against MRSA is. When the particle size is 30 nm, the MIC value is 8 μg/mL. And at the same mass concentration, the antibacterial activity of TeO2 nanoparticles is much higher than that of commercial TeO2 and slightly lower than that of nano-silver.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2020-02-27基金项目:国家自然科学基金(21371139);武汉工程大学研究生教育创新基金(CX2018164)作者简介:陈 凡,硕士研究生。E-mail:1297354143@qq.com*通讯作者:吕 中,博士,教授,博士研究生导师。E-mail:zhonglu@wit.edu.cn引文格式:陈凡,刘向宇,姜兴茂,等. 粒径可控的TeO2纳米颗粒合成及其抗耐药菌活性研究[J]. 武汉工程大学学报,2020,42(5):473-477.
更新日期/Last Update: 2020-10-30