Journal of Guangdong University of Technology ›› 2011, Vol. 28 ›› Issue (3): 62-65.

• Comprehensive Studies • Previous Articles     Next Articles

Thermo-magnetic Stability of Ferrofluid for Hyperthermia

  

  1. 1. Faculty of Physics and Optoelectronic Engineering,  2. Faculty of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China;3. Zhujiang Hospital, Southern Medical University, Guangzhou 510515, China
  • Online:2010-10-06 Published:2010-10-06

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Abstract: Water-based biocompatible fluid was prepared with magnetite particles (Fe3O4) coated with βCyclodextrin via the two-step co-precipitation method.  The thermomagnetic stabilities around induction heating in an alternating current (AC) magnetic field were investigated when the fluid was heated in the AC magnetic field for 900 s, the temperatures of magnetic fluid containing Fe3O4 nanoparticles or Fe3O4/β-Cyclodextrin composite nanoparticles rising to 63 ℃ and 53 ℃ respectively. The hyperthermic tests prove that the magnetic fluid is suitable for localized hyperthermia treatment of cancer. 

Key words: ferrofluid；heating effect；surface modification；thermo-magnetic stability

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