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Radiochemical Synthesis of Au/Iron-oxide Composite Nanoparticles Using PEG

Published online by Cambridge University Press:  01 February 2011

Satoshi Seino ,
Takuya Kinoshita ,
Juinichi Iida ,
Yujin Shibata ,
Takashi Nakagawa ,
Koji Ueno  and
Takao A Yamamoto
Satoshi Seino
Affiliation:
[email protected], Osaka University, Graduate School of Engineering, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan, +81-6-6879-7887, +81-6-6879-7887
Takuya Kinoshita
Affiliation:
KINOSHITA takuya , Osaka Prefecture University, Graduate School of Engineering, 1-1 Gakuencho, Sakai,, Osaka, 599-8531, Japan
Juinichi Iida
Affiliation:
[email protected], Osaka University, Graduate School of Engineering, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
Yujin Shibata
Affiliation:
[email protected], Osaka University, Graduate School of Engineering, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
Takashi Nakagawa
Affiliation:
Takashi Nakagawa , Tokyo Institute of Technology, Graduate School of Science and Engineering, 2-12-1 Ookayama,Meguro-ku, Tokyo, 152-8552, Japan
Koji Ueno
Affiliation:
[email protected], Japan Electron Beam Irradiation Service Co. Ltd., 5-3 Ozushimacho, Izumiotsu, Osaka, 595-0074, Japan
Takao A Yamamoto
Affiliation:
[email protected], Osaka University, Graduate School of Engineering, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
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Abstract

Composite nanoparticles consisting of gold and iron-oxide were radiochemically synthesized in aqueous solution systems by using polyethylene glycols. The gold particles with average diameter of 3 nm were firmly immobilized on the surface of the support iron-oxide nanoparticles. The composite nanoparticles specifically adsorbed sulfur-containing amino acids by a Au-S bonding.

Keywords

compositeAumagnetic
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1064: Symposium PP – Quantum-Dot and Nanoparticle Bioconjugates–Tools for Sensing and Biomedical Imaging , 2007 , 1064-PP06-01
Copyright
Copyright © Materials Research Society 2008

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References

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