Journal
TETRAHEDRON LETTERS
Volume 49, Issue 46, Pages 6585-6588Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2008.09.029
Keywords
Fluorescent probes; Charge transfer; Ratiometric; Chemodosimeters; Fluorometric analysis
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Funding
- Chinese Ministry of Education [108167]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry (2007-24)
- Hunan University research funds
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The sensitivity as well as dynamic range of a ratiometric probe is determined by the ratio of emission intensities at two wavelengths. Thus, it is highly desirable to acquire a large ratiometric fluorescence response at two wavelengths. However, ratiometric fluorescent signals are intrinsic characteristics of the particular probe-analyte interactions. The design for fluorescent probes with a large ratiometric signal remains a challenging task. There is still a lack of a proper approach to enhance the ratiometric fluorescence response for fluorescent chemodosimeters. Herein, we introduced a novel strategy to increase the emission ratios of a chemodosimeter via Modulation of intramolecular charge transfer. (C) 2008 Elsevier Ltd. All rights reserved.
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