Reversible fluorescence modulation through energy transfer with ABC triblock copolymer micelles as scaffoldsElectronic supplementary information (ESI) available: 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. See DOI: 10.1039/b810677k

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. [ABSTRACT FROM AUTHOR]