数字农科院2.0

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;Zhang, Zhen;Zhang, Ying-Peng;Liang, Yu-Ning;Li, Xing-Xing;Teng, Zhi-Dong

作者机构：

关键词： Pyrazole;N2H4 recognition;AIE effect;Cell imaging

期刊名称： JOURNAL OF FLUORESCENCE

ISSN： 1053-0509

年卷期： 2024 年

页码：

收录情况： SCIE（2024版） ; ; EI（2024版）

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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