Synthesize and Characterization of Multifunctional Silica Coated Magnetic Nanoparticles using Polyvinylpyrrolidone (PVP) as a mediator

被引：11
|
作者：
Sadjadi, M. S. [1 ]
Fathi, F. [1 ]
Farhadyar, N. [2 ]
Zare, K. [3 ]
机构：
[1] Islamic Azad Univ, Dept Chem, Sci & Res Branch, Tehran, Iran
[2] Islamic Azad Univ, Dept Chem, Varamin Pishva Branch, Tehran, Iran
[3] Shahid Beheshti Univ, Dept Chem, Tehran, Iran
来源：
JOURNAL OF NANO RESEARCH | 2011年 / 16卷
关键词：
Magnetic Iron oxide; Surface modification; polyvinylpyrrolidone; IRON-OXIDE NANOPARTICLES; SIZE-CONTROLLED SYNTHESIS; W/O MICROEMULSION;
D O I：
10.4028/www.scientific.net/JNanoR.16.43
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Magnetic iron oxide nanoparticles with proper surface coatings are increasingly being evaluated for clinical applications such as hyperthermia, drug delivery, magnetic resonance imaging, transfection and cell/protein separations. In this work, silica coated iron oxide magnetic nanoparticles, which are very useful for delivering chemotherapeutic drugs, has been prepared by precipitation in an aqueous solution of iron (II) and iron (III) chlorides under basic condition. In this process, polyvinylpyrrolidone (PVP) has been used as a stablizer. Surface modifications of the as-prepared Fe3O4 Nps have been carried out by using tetraethoxysilane (TEOS). Silica coated nanoparticles have been characterized by Fourier transform infrared (FTIR) spectroscopy, Powder X-ray diffraction (XRD), Transmission electron microscopy (TEM) and Infrared (IR) spectroscopy
引用
收藏
页码：43 / 48
页数：6
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