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Fluorescent and Magnetic Resonance Imaging by Rare Earth Doped Nanoparticles with Garnet Structure

Published online by Cambridge University Press:  01 February 2011

Ryo Asakura ,
Hiroshi Sakane ,
Kunihiro Noda ,
Tetsuhiko Isobe ,
Masahito Morita  and
Toshiro Inubushi
Ryo Asakura
Affiliation:
[email protected], Keio University, Dept. Appl. Chem., 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
Hiroshi Sakane
Affiliation:
[email protected], Keio University, Department of Applied Chemistry, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
Kunihiro Noda
Affiliation:
[email protected], Keio University, Department of Applied Chemistry, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
Tetsuhiko Isobe
Affiliation:
[email protected], Keio University, Department of Applied Chemistry, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
Masahito Morita
Affiliation:
[email protected], Shiga University of Medical Science, Biomedical MR Science Center, Setatsukinowa-cho, Otsu, 520-2192, Japan
Toshiro Inubushi
Affiliation:
[email protected], Shiga University of Medical Science, Biomedical MR Science Center, Setatsukinowa-cho, Otsu, 520-2192, Japan
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Abstract

Yb3+ doped Y3Al5O12 (YAG:Yb3+) nanoparticles are prepared from yttrium acetate tetrahydrate, ytterbium acetate tetrahydrate and aluminum isopropoxide in 1,4-butanediol by autoclave treatment at 300 °C for 2 h. Moreover, Gd-YAG:Yb3+ nanoparticles are prepared from the mixture of YAG:Yb3+ colloidal solution and gadolinium acetate tetrahydrate by the same autoclave treatment as YAG:Yb3+. Properties of structure, near infrared photoluminescence and magnetic resonance contrast enhancement are characterized for as-prepared and calcined YAG:Yb3+ and Gd-YAG:Yb3+ nanoparticles.

Keywords

luminescencemagnetic propertiesparticulate
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-PP03-06
Copyright
Copyright © Materials Research Society 2008

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References

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