J4 ›› 2012, Vol. 25 ›› Issue (3): 62-65.doi: 10.3976/j.issn.1002-4026.2012.03.013

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Fe3O4/Ag复合纳米颗粒的制备及其抑菌性能研究

武嘉培1,白俊杰1,李志鹏2,张栋顺1,范旭日1   

  1. 1.国核电力规划设计研究院,北京 100095; 2.中国兵器科学研究院宁波分院,浙江 宁波 315103
  • 收稿日期:2011-12-23 出版日期:2012-06-20 发布日期:2012-06-20
  • 作者简介:武嘉培(1983-),女,硕士,研究方向为纳米粒子的应用。Email:wujiapei@snpdri.com

Preparation and antibacterial activity of Fe3O4/Ag nanocomposites

 WU Jia-Pei1, BAI Jun-Jie1, LI Zhi-Peng2, ZHANG Dong-Shun1, FAN Xu-Ri1   

  1. 1.State Nuclear Electric Power Planning Design &Research Institute, Beijing 100095, China;
     2.Ningbo Branch, Academy of Ordnance Science, Ningbo 315103, China
  • Received:2011-12-23 Online:2012-06-20 Published:2012-06-20

摘要:

      首先用水热法制备了Fe3O4纳米球,然后以制备的磁性Fe3O4纳米粒子为磁核,在高温高压反应釜中与葡萄糖反应,使其表面包覆一层聚糖,利用聚糖的还原性,让包覆后的粒子与AgNO3反应,制备出Fe3O4/Ag纳米复合粒子。用透射电镜(TEM)、X射线衍射仪(XRD)对所制备的材料的形貌和结构进行了表征。通过抑菌实验的测定,结果表明Fe3O4/Ag复合材料具有良好的抑菌活性。

关键词: Fe3O4/Ag纳米球, 复合纳米颗粒, 抑菌性

Abstract:

We prepare Fe3O4 nanoparticles by solvothermal routes. We obtain Fe3O4/Ag nanocomposite with Fe3O4 nanoparticales as magnetic core, reaction with glucose in a hightemperture and high-pressure reactor and the coated nanoparticles reaction with AgNO3 by the reduction of chitosan. Their morphology and structure are characterized by transmission electron microscopy (TEM) and X-ray diffraction (XRD). Determination of antibacterial test of minimal inhibitory concentration and minimum bactericidal concentration shows that composite materials Fe3O4/Ag have better antibacterial activity.

Key words: Fe3O4/Ag, nanocomposite material, antibacterial activity

中图分类号: 

  • O614.8

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