Reversible Three-State Switching of Multicolor Fluorescence Emission by Multiple Stimuli Modulated FRET Processes within Thermoresponsive Polymeric Micelles

被引:211
作者
Li, Changhua [1 ]
Zhang, Yanxi [1 ]
Hu, Jinming [1 ]
Cheng, Jianjun [2 ]
Liu, Shiyong [1 ]
机构
[1] Univ Sci & Technol China, CAS Key Lab Soft Matter Chem, Hefei Natl Lab Phys Sci Microscale, Dept Polymer Sci & Engn, Hefei 230026, Anhui, Peoples R China
[2] Univ Illinois, Dept Mat & Engn, Urbana, IL 61801 USA
关键词
block copolymers; fluorescence; fluorescent probes; FRET; micelles; CONJUGATED BLOCK-COPOLYMERS; POLY N-ISOPROPYLACRYLAMIDE; RARE-EARTH IONS; ENERGY-TRANSFER; THIN-FILMS; AGGREGATION BEHAVIOR; TEMPERATURE; PHOTOLUMINESCENCE; MACROMOLECULES; NANOPARTICLES;
D O I
10.1002/anie.201002203
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Micellar traffic lights: The title FRET system (FRET=fluorescence resonance energy transfer) consists of one type of donor dye and two types of acceptor dyes. On/off fluorescence switching of the latter two dyes can be controlled by pH changes and light, respectively. This novel type of multicolor luminescent polymeric assembly can act as a ratiometric probe for pH and temperature with tunable sensitivity. (Figure Presented). © 2010 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:5120 / 5124
页数:5
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