Cu<sub>2</sub>O/Ag纳米复合材料的绿色制备与抗菌性能研究

引用本文: 吴静, 施梦洁, 匡淑敏, 吴娟, 林伟, 张曼莹, 贺香红, 梁国斌. Cu₂O/Ag纳米复合材料的绿色制备与抗菌性能研究[J]. 化学通报, 2019, 82(8): 749-753. shu

Citation: Wu Jing, Shi Mengjie, Kuang Shumin, Wu Juan, Lin Wei, Zhang Manying, He Xianghong, Liang Guobing. Green Preparation of Cu₂O/Ag Nanocomposite and Its Antibacterial Properties[J]. Chemistry, 2019, 82(8): 749-753. shu

Cu₂O/Ag纳米复合材料的绿色制备与抗菌性能研究

江苏理工学院化学与环境工程学院常州 213001
基金项目:
江苏理工学院人才引进项目（KYY17021）和江苏省研究生培养创新工程研究生科研与实践创新计划（SJCX18_1001）资助

摘要: 以乙酸铜为铜源、硝酸银为银源并利用天然蜂蜜为还原剂在无模板剂无需高压反应釜的条件下，环保地、简便地制备了Cu₂O/Ag复合材料。并采用X射线衍射、扫描电镜对材料的结构与形貌进行了表征。通过抑菌圈法证明Cu₂O/Ag复合材料相比Cu₂O对大肠杆菌有着更好的抑菌性能，通过分析Cu₂O/Ag对大肠杆菌生长过程的影响发现，当Cu₂O/Ag复合材料的浓度达到10μg/mL时，Cu₂O/Ag复合材料能够彻底抑制大肠杆菌的生长。通过SEM观察了Cu₂O/Ag复合材料对大肠杆菌作用过程中菌种形貌的变化表明，Cu₂O/Ag复合材料对大肠杆菌的抗菌作用过程是先破坏细胞膜结构使细菌断裂成小段，这些小段颗粒逐渐皱缩进而彻底被分解为大分子物质。本文制备的Cu₂O/Ag复合材料在抗菌剂领域具有潜在的应用价值。

关键词:

Cu₂O/Ag纳米复合材料
/ 抗菌性能

English

Green Preparation of Cu₂O/Ag Nanocomposite and Its Antibacterial Properties

School of Chemical and Environmental Engineering, Jiangsu University of Technology, Changzhou 213001
Received Date: 24 April 2019
Revised Date: 10 June 2019

Abstract: The Cu₂O/Ag composites were prepared environmentally and conveniently by using copper acetate as the copper source, silver nitrate as the silver source and natural honey as the reducing agents without any high pressure reactor and template. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used to characterize the structure and morphology of as-prepared Cu₂O/Ag composites. It is proved by the inhibition zone method that the Cu₂O/Ag composite has better antibacterial activity against E. coli than Cu₂O. By analyzing the effect of Cu₂O/Ag on the growth process of E. coli, it was found that the Cu₂O/Ag composites could completely inhibit the growth of E. coli when the concentration of Cu₂O/Ag composites was 10μg/mL. The changes of the morphology of E. coli during the process of adding Cu₂O/Ag composites were observed by SEM. The antibacterial effect of Cu₂O/Ag composites on E. coli is to destroy the cell membrane structure and break the bacteria into small segments. These small segments gradually shrink and are completely decomposed into macromolecular substances. All of these results indicated that the Cu₂O/Ag composites have potential practical application value in the field of antibacterial agents.

Key words:

Cu₂O/Ag nanocomposite
/ Antibacterial properties

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

Cu₂O/Ag纳米复合材料的绿色制备与抗菌性能研究

English

Green Preparation of Cu₂O/Ag Nanocomposite and Its Antibacterial Properties

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Green Preparation of Cu2O/Ag Nanocomposite and Its Antibacterial Properties

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