Synthesis and Magnetic Properties of Fe3O4 Nanoparticles Coated with Biocompatible Double Hydrophilic Block Copolymer

被引：14

作者：

Basina, G. ^{[2
]}

Mountrichas, G. ^{[1
]}

Devlin, E. ^{[2
]}

Boukos, N. ^{[2
]}

Niarchos, D. ^{[2
]}

Petridis, D. ^{[2
]}

Pispas, S. ^{[1
]}

Tzitzios, V. ^{[2
]}

机构：

[1] Natl Hellen Res Fdn, Inst Theoret & Phys Chem, GR-11635 Athens, Greece

[2] NCSR Demokritos Agia Paraskevi, Inst Mat Sci, Athens 15310, Greece

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2009年 / 9卷 / 08期

关键词：

Magnetite; Nanoparticles; Ferrofluids; Double Hydrophilic Block Copolymer; FTIR SPECTRAL CHARACTERIZATION; IRON-OXIDE NANOPARTICLES; THIN-FILM COATINGS; OLEIC-ACID; SIZE; FERROFLUIDS; DELIVERY; ALCOHOL; GLASSES; MEDIA;

D O I：

10.1166/jnn.2009.1275

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Fe3O4 nanoparticles coated with double hydrophilic biocompatible poly(sodium(2-sulfamate-3-carboxyl ate) isoprene)-b-poly (ethylene oxide) block copolymer were prepared by a one step precipitation method. The magnetic nanoparticles have 15 nm mean diameter (TEM), 68 nm hydrodynamic diameter, -30.10 mV zeta-potential and form very stable dispersion in aqueous media. Structural characterization using powder XRD and Mossbauer spectroscopy establish the magnetite phase, while thermogravimetric analysis and FT-IR spectroscopy confirm the presence of the block copolymer on the nanoparticles surface. The magnetic properties were determined using a vibrating sample magnetometer (VSM) at room temperature and reveal superparamagnetic behavior while the composite materials shows high saturation magnetization up to 67.7 emu/gr.

引用

页码：4753 / 4759

页数：7

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