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A novel ESIPT fluorescent probe derived from 3-hydroxyphthalimide for hydrazine detection in aqueous solution and
Shengli Hu1, Junyu Wang2, Meiling Luo2
1Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi, 435002, Hubei, China. hushengli168@126.com.
Abstract:
Hydrazine is a highly toxic and flammable liquid that can damage human liver, kidney, and central nervous system. Therefore, it is valuable to seek a quick and sensitive method for hydrazine detection in environmental and biological science. Herein, a new fluorescent probe derived from 3-hydroxyphthalimide was synthesized. This probe can rapidly and selectively detect hydrazine with a low detection limit of 4.3 × 10-7 M. The recognition principle is based on hydrazine-induced acetyl deprotection and excited-state intramolecular proton transfer (ESIPT) process. Moreover, test paper and fluorescence image experiments showed that this probe had potential to monitor hydrazine in the environment and living cells.
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