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Research on the Structure and Performance of Bacterial Magnetic Nanoparticles

[+] Author Affiliations
Lei Han, Shuangyan Li, Yong Yang, Fengmei Zhao, Jie Huang, Jin Chang

Tianjin University, Tianjin, China

Paper No. MNC2007-21137, pp. 341-351; 11 pages
  • 2007 First International Conference on Integration and Commercialization of Micro and Nanosystems
  • First International Conference on Integration and Commercialization of Micro and Nanosystems, Parts A and B
  • Sanya, Hainan, China, January 10–13, 2007
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4265-7 | eISBN: 0-7918-3794-7
  • Copyright © 2007 by ASME


Magnetite nanocrystal has been widely used in many fields. Recently, a new magnetite nanocrystal, called magnetosome, has been found in magnetotactic bacteria. In this article, we researched on the properties of magnetosomes detailedly, such as crystalline, morphology, crystal-size distributions, vitro cytotoxicity, and magnetic properties and quantified primary amino groups on the magnetosomes membrane surface by fluorescamine assay for the first time. From the results, it was clear that magnetosomes have more potential in the biomedical applications than synthetic magnetite.

Copyright © 2007 by ASME



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