A cinnamoyl substituted Nile Red-based probe to detect hydrazine |
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| Authors: | Xin-Dong Jiang Jian Guan Hui Bian Yi Xiao |
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| Institution: | 1. College of Applied Chemistry, Shenyang University of Chemical Technology, Shenyang 110142, China;2. State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China |
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| Abstract: | Herein we discovered that a Nile Red-based probe with a cinnamoyl unit was highly selective and sensitive to N2H4. Hydrazinolysis by N2H4 would release a hydroxyl substituted Nile Red and result in remarkable fluorescence quench. Importantly, Cys/Hcy would not interrupt the N2H4 recognition. This is because, for this probe, the combination of the π-π conjugate system can stabilize the ethylene union, which results in the nucleophilic addition of the thiol group of Cys/Hcy becomes non-effective. |
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| Keywords: | Hydrazine Hydrazinolysis Cinnamoyl π-π conjugate |
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