Reversible fluorescence modulation through energy transfer with ABC triblock copolymer micelles as scaffolds

Jian Chen; Fang Zeng; Shuizhu Wu; Jianqing Zhao; Qiming Chen; Zhen Tong

doi:10.1039/B810677K

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Reversible fluorescence modulation through energy transfer with ABC triblock copolymer micelles as scaffolds†

Jian Chen,^a Fang Zeng,*^a Shuizhu Wu,*^a Jianqing Zhao,^a Qiming Chen^a and Zhen Tong^a

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* Corresponding authors

^a College of Materials Science & Engineering, South China University of Technology, Guangzhou, China
E-mail: mcfzeng@scut.edu.cn; shzhwu@scut.edu.cn
Fax: 86 20 87110273
Tel: 86 20 22236262

Abstract

The micelle system formed by an amphiphilic triblock copolymer in water serves as a novel scaffold for fluorescence resonance energy transfer as well as light-induced reversible fluorescence modulation for a hydrophobic fluorescent dye.

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Supplementary files

Experimental details; ¹H NMR and ¹³C NMR spectra; GPC curves; determination of CMC; AFM image and particle size distribution; absorption spectra for monomer and triblock copolymer in solutions; surface tension vs. concentration curve for triblock copolymer in water; illustration for light-induced structural variation; fluorescence emission spectra; photographs and emission spectra of micelles upon UV or visible light irradiation; fluorescence intensity changes of NBD/micelle dispersion upon alternate irradiation with UV and visible light; calculation of Förster critical radius and determination of experimental energy transfer efficiency; and illustration for effective and noneffective FRET volume in a micelle core PDF (1544K)

Article information

DOI: https://doi.org/10.1039/B810677K
Article type: Communication
Submitted: 25 Jun 2008
Accepted: 19 Aug 2008
First published: 25 Sep 2008

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Chem. Commun., 2008, 5580-5582

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Reversible fluorescence modulation through energy transfer with ABC triblock copolymer micelles as scaffolds

J. Chen, F. Zeng, S. Wu, J. Zhao, Q. Chen and Z. Tong, Chem. Commun., 2008, 5580 DOI: 10.1039/B810677K

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Chemical Communications

Reversible fluorescence modulation through energy transfer with ABC triblock copolymer micelles as scaffolds†

Abstract

Supplementary files

Article information

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Reversible fluorescence modulation through energy transfer with ABC triblock copolymer micelles as scaffolds

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