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Citation: LIU Xing-Chen, DANG Yong-Qiang, WU Yu-Qing. A Convenient Method to Synthesize Surface Amino-Coated Superparamagnetic Fe₃O₄ Nanoparticles[J]. Acta Physico-Chimica Sinica, ;2010, 26(03): 789-794. doi: 10.3866/PKU.WHXB20100245 shu

A Convenient Method to Synthesize Surface Amino-Coated Superparamagnetic Fe₃O₄ Nanoparticles

1.
State Key Laboratory of Supramolecular Structure and Material, Jilin University, Changchun 130012, P. R. China

Received Date: 27 August 2009
Available Online: 12 January 2010

We propose a convenient method to synthesize surface amino-coated magnetic nanoparticles. Fe3O4 nanoparticles with a grain diameter of about 10 nm were synthesized by the chemical co-precipitation of ferrous chloride and ferric chloride. The obtained superparamagnetic nanoparticles were surface-modified with alendronate to introduce an amino group onto their surfaces. The particles were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), vibrating sample magnetometry (VSM), dynamic light scattering (DLS), thermogra-vimetric analysis (TGA), Fourier transforminfrared (FT-IR) spectroscopy, and X-ray photoelectron spectroscopy (XPS). The data showed that alendronate was successfully linked to the SPM nanoparticles. These particles are stable for more than 4 weeks without precipitation at pH= 6.3.
- Magnetic nanoparticles,
- Amino-coated,
- Alendronate
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沈阳化工大学材料科学与工程学院沈阳 110142

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A Convenient Method to Synthesize Surface Amino-Coated Superparamagnetic Fe3O4 Nanoparticles

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通讯作者: 陈斌, bchen63@163.com

A Convenient Method to Synthesize Surface Amino-Coated Superparamagnetic Fe₃O₄ Nanoparticles