In Vivo Magnetic Resonance Imaging of Single-Walled Carbon Nanohorns by Labeling with Magnetite Nanoparticles

Nanoparticles of superparamagnetic magnetite have been strongly attached to single‐walled carbon nanohorns (SWNHs) by using a simple method, namely the deposition of iron acetate clusters on SWNHs followed by heat treatment. The attached magnetite nanoparticles induce remarkable darkening of the mag...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2006-04, Vol.18 (8), p.1010-1014
Main Authors: Miyawaki, J., Yudasaka, M., Imai, H., Yorimitsu, H., Isobe, H., Nakamura, E., Iijima, S.
Format: Article
Language:English
Subjects:
Biomedical materials
Carbon nanostructures
Carbon nanotubes
Carbon nanotubes, single‐walled
Imaging
Magnetic materials
Magnetic resonance imaging
single-walled
Superparamagnetism
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Summary:Nanoparticles of superparamagnetic magnetite have been strongly attached to single‐walled carbon nanohorns (SWNHs) by using a simple method, namely the deposition of iron acetate clusters on SWNHs followed by heat treatment. The attached magnetite nanoparticles induce remarkable darkening of the magnetic resonance images, which allowed in vivo visualization (see figure) of the accumulative behavior of SWNHs in the spleen and kidneys.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200502174