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Erschienen in: Journal of Nanoparticle Research 2/2010

01.02.2010 | Research Paper

Functionalization of carbon encapsulated iron nanoparticles

verfasst von: Arthur Taylor, Yulia Krupskaya, Sara Costa, Steffen Oswald, Kai Krämer, Susanne Füssel, Rüdiger Klingeler, Bernd Büchner, Ewa Borowiak-Palen, Manfred P. Wirth

Erschienen in: Journal of Nanoparticle Research | Ausgabe 2/2010

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Abstract

Carbon-encapsulated magnetic nanoparticles are a new class of materials where the core magnetic nanoparticle is protected from reactions with its environment by graphite shells. Having a structure similar to carbon nanotubes, these nanoparticles could be potentially functionalized using methods which are already applied to those structures. We present the effects of acidic treatments based on HCl, HNO3, and H2SO4 on these nanoparticles highlighting the impact on their magnetic and surface properties. We show that acidic treatments based on HNO3 can be successfully applied for the generation of carboxylic groups on the surface of the nanoparticles. Using methylamine as a model, we demonstrate that these functional groups can be used for further functionalization with amino-containing biomolecules via diimide-activated amidation.

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Metadaten
Titel
Functionalization of carbon encapsulated iron nanoparticles
verfasst von
Arthur Taylor
Yulia Krupskaya
Sara Costa
Steffen Oswald
Kai Krämer
Susanne Füssel
Rüdiger Klingeler
Bernd Büchner
Ewa Borowiak-Palen
Manfred P. Wirth
Publikationsdatum
01.02.2010
Verlag
Springer Netherlands
Erschienen in
Journal of Nanoparticle Research / Ausgabe 2/2010
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-009-9773-0

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