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

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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 Published:2012-06-20 Online:2012-06-20

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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

CLC Number: 

  • O614.8

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