Highly pre-organized fluorescent naphthotube for efficient detection of uranyl ions

IF 5.3 2区化学 Q1 CHEMISTRY, ANALYTICAL

Microchimica Acta Pub Date : 2025-05-17 DOI:10.1007/s00604-025-07222-w

Yang-Yi Yin, Wen-Jie Chen, Shao-Lian Chen, Li Deng, Liu-Pan Yang, Li-Li Wang, Huan Yao

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引用次数: 0

Abstract

Supramolecular fluorescent sensors have garnered extensive research attention and found broad applications in biochemical sensing attributed to their high selectivity, rapid response, stimulus responsiveness, and ease of modification, which stem from their inherent molecular recognition and self-assembly capabilities. Herein, supramolecular fluorescent sensors based on anthracene-functionalized naphthotubes have been successfully developed and utilized for the efficient detection of uranyl ions. Owing to the highly pre-organized carboxyl groups on the naphthotubes, uranyl ions are effectively captured, forming a non-fluorescent or weakly fluorescent complex to quench the fluorescence of anthracene. The fluorescent sensor exhibited a limit of detection as low as 53 nM, coupled with high sensitivity, rapid response time, and high selectivity. Moreover, it maintained robust detection capabilities in diverse aqueous environments such as seawater, river water, and tap water, demonstrating its promising potential for uranyl ions detection. This study provides a new idea for the development of detection methods for uranyl ions in complex environmental samples.

Graphical abstract

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用于高效检测铀酰离子的高度预组织荧光萘管

超分子荧光传感器具有高选择性、快速响应、刺激响应、易于修饰等特点，其固有的分子识别和自组装能力在生物化学传感领域得到了广泛的研究和应用。本文成功开发了基于蒽基功能化萘管的超分子荧光传感器，并将其用于铀酰离子的高效检测。由于萘管上高度预组织的羧基，铀酰离子被有效捕获，形成非荧光或弱荧光复合物，以猝灭蒽的荧光。该荧光传感器的检测限低至53 nM，具有高灵敏度、快速响应时间和高选择性。此外，它在海水、河水和自来水等不同的水环境中保持了强大的检测能力，显示了它在铀酰离子检测方面的巨大潜力。本研究为复杂环境样品中铀酰离子检测方法的发展提供了新的思路。图形抽象

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来源期刊

Microchimica Acta 化学-分析化学

CiteScore

9.80

自引率

5.30%

发文量

410

审稿时长

2.7 months

期刊介绍： As a peer-reviewed journal for analytical sciences and technologies on the micro- and nanoscale, Microchimica Acta has established itself as a premier forum for truly novel approaches in chemical and biochemical analysis. Coverage includes methods and devices that provide expedient solutions to the most contemporary demands in this area. Examples are point-of-care technologies, wearable (bio)sensors, in-vivo-monitoring, micro/nanomotors and materials based on synthetic biology as well as biomedical imaging and targeting.