Magnetic resonance of magnetic fluid and magnetoliposome preparations

In this study, magnetic resonance was used to investigate lauric acid-coated magnetite-based magnetic fluid particles and particles which are surrounded by a double layer of phospholipid molecules (magnetoliposomes). The data reveal the presence of monomers and dimers in both samples. Whereas eviden...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2005-05, Vol.293 (1), p.526-531
Main Authors: Morais, Paulo C., Santos, Judes G., Skeff Neto, K., Pelegrini, Fernando, De Cuyper, Marcel
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Dimer disruption
Exact sciences and technology
Magnetic fluid
Magnetic liquids
Magnetic properties and materials
Magnetic resonance (MR)
Magnetic resonances and relaxations in condensed matter, mössbauer effect
Magnetoliposome
Physics
Small particles and nanoscale materials
Studies of specific magnetic materials
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Summary:In this study, magnetic resonance was used to investigate lauric acid-coated magnetite-based magnetic fluid particles and particles which are surrounded by a double layer of phospholipid molecules (magnetoliposomes). The data reveal the presence of monomers and dimers in both samples. Whereas evidence for a thermally induced disruption of dimers is found in the magnetic fluid, apparently, the bilayer phospholipid envelop prevents the dissociation in the magnetoliposome samples.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2005.01.069