A rational approach to emission ratio enhancement of chemodosimeters via regulation of intramolecular charge transfer |
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Authors: | Weiying Lin Lin Yuan Xiaowei Cao |
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Institution: | State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, PR China |
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Abstract: | 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. |
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Keywords: | Fluorescent probes Charge transfer Ratiometric Chemodosimeters Fluorometric analysis |
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