Fluorescent magnetic nanoparticles based on a ruthenium complex and Fe3O4

Pinxian Xi; Kai Cheng; Xiaolian Sun; Zhengzhi Zeng; Shouheng Sun

doi:10.1039/C0JM03119D

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Fluorescent magnetic nanoparticles based on a ruthenium complex and Fe₃O₄†

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

Author affiliations

* Corresponding authors

^a Department of Chemistry, Brown University, Providence, U.S.A
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, State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, P. R. China
E-mail: zengzhzh@lzu.edu.cn
Fax: (+86) 931 8912582
Tel: (+86) 931 8610877

Abstract

A fluorescent ruthenium (Ru) complex is coupled to magnetic Fe₃O₄ nanoparticles (NPs) via3-(3,4-dihydroxyphenyl) propanoic acid (DHPPA) and O,O′-bis(2-aminopropyl) polypropylene glycol-block-polyethylene glycol-block-polypropylene glycol (PPG-PEG-PPG-diamine). The resultant Ru–Fe₃O₄ NP conjugate shows excellent colloidal, photochemical and magnetic stability, and is promising as a dual functional probe for biological imaging applications.

This article is part of the themed collection: Chemical Transformations of Nanoparticles

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Supplementary files

Fig. S1–S6 PDF (584K)

Article information

DOI: https://doi.org/10.1039/C0JM03119D
Article type: Communication
Submitted: 16 Sep 2010
Accepted: 16 Nov 2010
First published: 03 Dec 2010

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J. Mater. Chem., 2011,21, 11464-11467

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Fluorescent magnetic nanoparticles based on a ruthenium complex and Fe₃O₄

P. Xi, K. Cheng, X. Sun, Z. Zeng and S. Sun, J. Mater. Chem., 2011, 21, 11464 DOI: 10.1039/C0JM03119D

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Journal of Materials Chemistry