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Open Access Nano Express

Preparation and Characterization of Fluorescence Probe from Assembly Hydroxyapatite Nanocomposite

Min Zhang1, Jin-Ku Liu1*, Ran Miao1, Guang-Ming Li2* and Yao-Jie Du1

Author Affiliations

1 Department of Chemistry, East China University of Science and Technology, 200237, Shanghai, People’s Republic of China

2 School of Environmental Science and Engineering, Tongji University, 200092, Shanghai, People’s Republic of China

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Nanoscale Research Letters 2010, 5:675-679  doi:10.1007/s11671-010-9530-4

Published: 21 January 2010

Abstract

A new nanocomposite fluorescence probe with thioglycolic acid (TA) functional layers embedded inside the hydroxyapatite nanoribbon spherulites has been synthesized. The fluorescence intensity of the novel probe is about 1.5–3.3-fold increase compared with the probe containing no TA. When used to detect cadmium ion, the most of original assembly nanoribbon spherulites structure in the novel probe is found to have been damaged to new flake structures. The mechanism of determining cadmium ion in alcohol solution has been studied. The present systematic study provides significant information on the effect of assembly nanostructure on the metal-enhanced fluorescence phenomenon.

Keywords:
Composite materials; Nanocomposite fluorescence probe; Cadmium ion; Hydroxyapatite