Journal
TETRAHEDRON LETTERS
Volume 59, Issue 34, Pages 3253-3257Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2018.07.026
Keywords
Fluorescent probe; Sulfur dioxide derivatives; Hydrazine; Distinct emission signals
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Funding
- Hubei Provincial Education Office [Q20161209]
- Research Fund for Excellent Dissertation of China Three Gorges University [2018SSPY054]
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Recently, the construction of multiple analytes responsive fluorescent probes with distinct emission signals has attracted widely attention. Thus, we have designed and synthesized a new fluorescent probe, 2-(2-hydroxyphenyl)benzothiazole dye skeleton (HBT-1), for the detection of sulfur dioxide and hydrazine. Significant fluorescence enhancements in two distinct emission bands (lambda(em) = 464 nm and 498 nm) were generated when HBT-1 reacted with sulfur dioxide derivatives or hydrazine, respectively. Furthermore, the probe HBT-1 response can be saturated surpurisingly at the low concentration (100 mu M), shorter reaction time for sulfur dioxide derivatives, while a longer reaction time and greater concentration (400 mu M) for hydrazine. In other words, the probe HBT-1 can detect sulfur dioxide derivatives without hydrazine interference at low analyte concentrations. (C) 2018 Published by Elsevier Ltd.
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