Synthesis and Application of Specific N2H4 Fluorescent Probes with AIE Effect Based on Pyrazole Structure
文献类型： 外文期刊
作者： Yang, Yun-Shang 1 ; Zhang, Zhen 1 ; Zhang, Ying-Peng 1 ; Liang, Yu-Ning 1 ; Li, Xing-Xing 1 ; Teng, Zhi-Dong 3 ;
作者机构： 1.Lanzhou Univ Technol, Sch Petrochem Engn, Lanzhou 730050, Peoples R China
2.Lanzhou Univ Technol, Key Lab Low Carbon Energy & Chem Engn Gansu, Lanzhou 730050, Peoples R China
3.Chinese Acad Agr Sci, Lanzhou Vet Res Inst, State Key Lab Vet Etiol Biol, Lanzhou 730046, Peoples R China
4.Chinese Acad Agr Sci, Lanzhou Vet Res Inst, Minist Agr, Key Lab Anim Virol, Lanzhou 730046, Peoples R China
关键词： Pyrazole; N2H4 recognition; AIE effect; Cell imaging
期刊名称：JOURNAL OF FLUORESCENCE （ 影响因子：2.7； 五年影响因子：2.4 ）
ISSN： 1053-0509
年卷期： 2024 年
页码：
收录情况： SCI
摘要： Two fluorescent probes, Y1-2 were synthesized from 2-acetonaphthone, 4-acetylbiphenyl, and phenyl hydrazine by Vilsmeier-Haack reaction and Knoevenagel condensation. Their recognition efficacies for N2H4 were tested by UV-visible absorption spectroscopy and fluorescence emission spectroscopy. The recognition mechanism were studies by density-functional theory calculations, and the effect of pH on N2H4 recognition was also studied. The results showed that the probe Y1-2 has high selectivity and a low detection limit for N2H4, and the recognition of N2H4 can be accomplished at physiological pH. The probes have had obvious aggregation-induced luminescence effect, large Stokes shift, high sensitivity, and can be successfully applied to live cell imaging.
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