期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 353, 期 2, 页码 372-379出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2010.09.081
关键词
Magnetic; Magnetite; Nanoparticle; Polymer; SAXS; Emulsifier-free emulsion
资金
- Scientific and Technological Research Council of Turkey (TUBITAK) [TBAG 107T112]
- Hacettepe University, Scientific Research Unit [06A602012]
- IBN-Graz, Austria
Superparamagnetic nanoparticles were prepared by coprecipitation of ferrous (Fe2+) and ferric (Fe3+) aqueous solution by a base. Nanomagnetite particles were coated with poly(St/PEG-EEM/DMAPM) and poly(St/PEG-MA/DMAPM) layer by emulsifier-free emulsion polymerization. Chemical structure of nanoparticles was characterized by both FTIR and H-1 NMR. Particle morphologies were determined by Zeta Sizer, DLS, XRD and SAXS. Structural analysis showed that after polymer coating nanomagnetite particles kept their superparamagnetic property. Besides the synthesized magnetites, polymer coated forms of these particles are more biocompatible, well dispersable and uniform. These properties make them a very strong candidate for bioengineering applications, such as bioseparation, gene transfer. (C) 2010 Elsevier Inc. All rights reserved.
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