Synthesis of ultrasmall nucleotide-functionalized superparamagnetic γ-Fe2O3 nanoparticles

Guo Gao; Haixia Wu; Yixia Zhang; Teng Luo; Lili Feng; Peng Huang; Meng He; Daxiang Cui

doi:10.1039/C1CE05371J

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Synthesis of ultrasmall nucleotide-functionalized superparamagnetic γ-Fe₂O₃ nanoparticles†

Guo Gao,*^a Haixia Wu,^a Yixia Zhang,^a Teng Luo,^a Lili Feng,^a Peng Huang,^a Meng He^a and Daxiang Cui*^a

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* Corresponding authors

^a Department of Bio-Nano-Science and Engineering, National Key Laboratory of Nano/Micro Fabrication Technology, Key Laboratory for Thin Film and Microfabrication of Ministry of Education, Institute of Micro-Nano Science and Technology, Shanghai Jiao Tong University, Shanghai, China
E-mail: dxcui@sjtu.edu.cn, gaogaoguoguo@yahoo.com.cn
Fax: +86 21 34206886
Tel: +86 21 34206962

Abstract

A novel hydrothermal dephosphorylation route for the synthesis of ultrasmall nucleotide-coated superparamagnetic γ-Fe₂O₃ nanoparticles (∼5 nm) has been demonstrated. The synthesized γ-Fe₂O₃ nanoparticles show excellent thermal stability, water dispersion and biocompatibility, allowing possible applications for in vivo X-ray contrast agents.

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Article information

DOI: https://doi.org/10.1039/C1CE05371J
Article type: Communication
Submitted: 28 Mar 2011
Accepted: 12 May 2011
First published: 02 Jun 2011

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CrystEngComm, 2011,13, 4810-4813

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Synthesis of ultrasmall nucleotide-functionalized superparamagnetic γ-Fe₂O₃ nanoparticles

G. Gao, H. Wu, Y. Zhang, T. Luo, L. Feng, P. Huang, M. He and D. Cui, CrystEngComm, 2011, 13, 4810 DOI: 10.1039/C1CE05371J

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