基于ESIPT机制的新型氮混合F-传感器实现超低检测限。

IF 3.2 4区化学 Q2 CHEMISTRY, ANALYTICAL

Luminescence Pub Date : 2025-01-01 DOI:10.1002/bio.70098

Zeyang Zhu, Zixuan Xu, Xuemei Li, Hui Wang, Xinghui Cao, Shouzhu Li, Linhan Su, Shasha Wu

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引用次数: 0

摘要

成功合成了两种基于ESIPT机制的新型氮杂化荧光传感器，用于氟离子（F-）的检测，具有高灵敏度和选择性，响应速度快。检测限甚至达到十亿分之一的水平。随着F-的加入，两个传感器都显示出具有较大斯托克斯位移的比例荧光变化。氢-1 （1H）核磁共振滴定证实了传感器与F-之间发生脱硅反应。该工作为后续F荧光传感器的研制提供了指导。

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Novel Nitrogen Hybrid F^- Sensors Based on ESIPT Mechanism Achieving Super Low Detection Limits.

Two novel nitrogen hybrid fluorescent sensors based on the ESIPT mechanism were successfully synthesized for the detection of fluoride ions (F^-), and they exhibit high sensitivity and selectivity with a fast response. The detection limits even reach the parts per billion level. With the addition of F^-, both sensors showed a ratiometric fluorescence change with a large Stokes shift. According to the hydrogen-1 (¹H) NMR titration, it was confirmed that the desilication reaction occurred between the sensors and F^-. This work provides guidance for the subsequent development of F^- fluorescence sensors.

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来源期刊

Luminescence 生物-生化与分子生物学

CiteScore

5.10

自引率

13.80%

发文量

248

审稿时长

3.5 months

期刊介绍： Luminescence provides a forum for the publication of original scientific papers, short communications, technical notes and reviews on fundamental and applied aspects of all forms of luminescence, including bioluminescence, chemiluminescence, electrochemiluminescence, sonoluminescence, triboluminescence, fluorescence, time-resolved fluorescence and phosphorescence. Luminescence publishes papers on assays and analytical methods, instrumentation, mechanistic and synthetic studies, basic biology and chemistry. Luminescence also publishes details of forthcoming meetings, information on new products, and book reviews. A special feature of the Journal is surveys of the recent literature on selected topics in luminescence.