Size-controlled magnetic nanoparticles with lecithin for biomedical applications

Lecithin-adsorbed magnetic nanoparticles were prepared by three-step process that the thermal decomposition was combined with ultrasonication. Experimental parameters were three items—molar ratio between Fe(CO) 5 and oleic acid, keeping time at decomposition temperature and lecithin concentration. A...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2007-05, Vol.312 (2), p.386-389
Main Authors: Park, S.I., Kim, J.H., Kim, C.G., Kim, C.O.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Biotechnology
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Fundamental and applied biological sciences. Psychology
Lecithin
Magnetic fluid
Magnetic properties and materials
Magnetic properties of nanostructures
Magnetite
Methods. Procedures. Technologies
Nanoparticle
Others
Physics
Thermal decomposition
Ultrasonication
Various methods and equipments
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Summary:Lecithin-adsorbed magnetic nanoparticles were prepared by three-step process that the thermal decomposition was combined with ultrasonication. Experimental parameters were three items—molar ratio between Fe(CO) 5 and oleic acid, keeping time at decomposition temperature and lecithin concentration. As the molar ratio between Fe(CO) 5 and oleic acid, and keeping time at decomposition temperature increased, the particle size increased. However, the change of lecithin concentration did not show the remarkable particle size variation.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2006.10.1095