Fabrication of a silica sphere with fluorescent and MR contrasting GdPO4 nanoparticles from layered gadolinium hydroxide

Young-su Yoon; Byung-Il Lee; Kyung Sig Lee; Hyejung Heo; Jung Hee Lee; Song-Ho Byeon; In Su Lee

doi:10.1039/B927570C

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Fabrication of a silica sphere with fluorescent and MR contrasting GdPO₄nanoparticles from layered gadolinium hydroxide†

Young-su Yoon,^a Byung-Il Lee,^a Kyung Sig Lee,^a Hyejung Heo,^b Jung Hee Lee,*^b Song-Ho Byeon*^a and In Su Lee*^a

Author affiliations

* Corresponding authors

^a Department of Applied Chemistry, College of Applied Science, Kyung Hee University, Gyeonggi-do 449-701, Korea
E-mail: shbyun@khu.ac.kr, insulee97@khu.ac.kr
Fax: +82-31-202-7337

^b Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 135-710, Korea
E-mail: hijunghee@skku.edu
Fax: +82-2-3410-0084

Abstract

The delaminated gadolinium hydroxide layers doped with Eu³⁺ ions were assembled on the surface of silica spheres and annealed at high temperatures, resulting in the formation of fluorescent and MR active GdPO₄ : Eu nanoparticles at the surface.

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Supplementary files

Detailed experimental procedures for the synthesis and characterization, TEM and SEM images of the adducts of the control experiments, XRD patterns and excitation spectra of SiO2–As, and the cytotoxicity of SiO2-PEG to MCF-7 PDF (359K)

Article information

DOI: https://doi.org/10.1039/B927570C
Article type: Communication
Submitted: 05 Jan 2010
Accepted: 09 Feb 2010
First published: 26 Feb 2010

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Chem. Commun., 2010,46, 3654-3656

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Fabrication of a silica sphere with fluorescent and MR contrasting GdPO₄ nanoparticles from layered gadolinium hydroxide

Y. Yoon, B. Lee, K. S. Lee, H. Heo, J. H. Lee, S. Byeon and I. S. Lee, Chem. Commun., 2010, 46, 3654 DOI: 10.1039/B927570C

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Chemical Communications