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Published in: Journal of Nanoparticle Research 1/2011

01-01-2011 | Research Paper

Particle speciation during PEG–Fe3O4 hybrid nanoparticle self-assembly on Si(Ti)O2

Authors: Farahnaz Ansari, Masoud Kavosh, Robert Horvath, Jeremy J. Ramsden

Published in: Journal of Nanoparticle Research | Issue 1/2011

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Abstract

The kinetics of assembly of polyethylene glycol (PEG)-coated superparamagnetic Fe3O4 nanoparticles in aqueous suspension on planar Si(Ti)O2 surfaces have been determined using high-resolution optical waveguide lightmode spectroscopy (OWLS). Analysis of the results revealed that the initially uniform population was spontaneously transformed into two types of particles with significantly different adsorption behaviour.

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Footnotes
1
PEG has been covalently attached to magnetite nanoparticles in order to reduce their immunogenicity (Zhang et al. 2002).
 
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Metadata
Title
Particle speciation during PEG–Fe3O4 hybrid nanoparticle self-assembly on Si(Ti)O2
Authors
Farahnaz Ansari
Masoud Kavosh
Robert Horvath
Jeremy J. Ramsden
Publication date
01-01-2011
Publisher
Springer Netherlands
Published in
Journal of Nanoparticle Research / Issue 1/2011
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-010-0018-z

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