Issue 24, 2012
From the journal:

Chemical Communications

Magnetic Fe3O4nanoparticles coupled with a fluorescent Eu complex for dual imaging applications†

Pinxian Xi,ab   Kai Cheng,a   Xiaolian Sun,a   Zhengzhi Zeng*b  and  Shouheng Sun*a  

* Corresponding authors

a Department of Chemistry, Brown University, Providence, Rhode Island 02912, USA
E-mail: ssun@brown.edu
Fax: +1-401-863-9046
Tel: +1-401-863-3329

b Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
E-mail: zengzhzh@lzu.edu.cn
Fax: +86-931-8912582
Tel: +86-931-8912589

Abstract

Magnetic 8 nm Fe3O4 nanoparticles (NPs) were synthesized and modified with dopamine (DPA) and polyethylene glycol (PEG) diacid. The water soluble Fe3O4–DPA–PEG NPs were then conjugated with the fluorescent Eu(III) complex of tris(dibenzoylmethane)-5-amino-1,10-phenanthroline (BMAP), giving an Fe3O4–DPA–PEG–BMAP–Eu NP conjugate. The conjugate was both colloidally and chemically stable in phosphate buffered solutions and could be used as a probe for magnetic resonance and fluorescent imaging.

Graphical abstract: Magnetic Fe3O4 nanoparticles coupled with a fluorescent Eu complex for dual imaging applications

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Article information

DOI
https://doi.org/10.1039/C2CC18122C
Article type
Communication
Submitted
28 Dec 2011
Accepted
19 Jan 2012
First published
23 Jan 2012

Chem. Commun., 2012,48, 2952-2954

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Magnetic Fe3O4 nanoparticles coupled with a fluorescent Eu complex for dual imaging applications

P. Xi, K. Cheng, X. Sun, Z. Zeng and S. Sun, Chem. Commun., 2012, 48, 2952 DOI: 10.1039/C2CC18122C

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