期刊
ANALYTICAL CHEMISTRY
卷 88, 期 4, 页码 2266-2272出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.analchem.5b04029
关键词
-
资金
- National Natural Science Foundation of China [21372094]
A benzoquinolizine coumarin-based fluorescent probe was developed for detecting thiophenols, demonstrating the superior fluorescence properties caused by the decay of the twisting effect of N,N-diethylamino group of coumarin. It discriminated thiophenols from various analytes including aliphatic thiols with good selectivity and displayed similar to 700-fold fluorescence intensity enhancement and a remarkable limit of detection (4.5 nM). The new probe also can be applied to quantitative determine the concentrations of thiophenol in water samples and living cells.
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