Preparation and Analysis of Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles Used as Targeted-drug Carriers

赵原壁; 邱祖民; 黄佳英

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Preparation and Analysis of Fe₃O₄ Magnetic Nanoparticles Used as Targeted-drug Carriers

Updated：2026-01-06

- Preparation and Analysis of Fe₃O₄ Magnetic Nanoparticles Used as Targeted-drug Carriers
- Chinese Journal of Chemical Engineering Vol. 16, Issue 3, Pages: 451-455(2008)
- Affiliations：
  
  School of Environmental Science and Engineering, Nanchang University,Nanchang,China,330031
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- Published：2008
- Accepted：
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摘要

Abstract

magnetic nanoparticles were prepared by the aqueous co-precipitation of FeCl

·6H

O and FeCl

·4H

O with addition of ammonium hydroxide.The conditions for the preparation of Fe

magnetic nanoparticles were optimized

and Fe

magnetic nanoparticles obtained were characterized systematically by means of transmission electron microscope(TEM)

dynamic laser scattering analyzer(DLS)and X-ray diffraction(XRD). The results revealed that the magnetic nanoparticles were cubic shaped and dispersive

with narrow size distribution and average diameter of 11.4 nm.It was found that the homogeneous variation of pH value in the solution

via

the control on the dropping rate of aqueous ammonia played a critical role in size distribution.The magnetic response of the product in the magnetic field was also analyzed and evaluated carefully.A 32.6 mT magnetic field which is produced by four ferromagnets was found to be sufficient to excite the dipole moments of 0.05 g Fe

powder 2 cm far away from the ferromagnets.In conclusion

the Fe

magnetic nanoparticles with excellent properties were competent for the magnetic carriers of targeted-drug in future application.

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Preparation and Analysis of Fe3O4 Magnetic Nanoparticles Used as Targeted-drug Carriers

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Preparation and Analysis of Fe₃O₄ Magnetic Nanoparticles Used as Targeted-drug Carriers