一种快速、灵敏、特异检测水溶液中锡离子的可见光响应型DiSCn(3)型荧光探针

Journal of Chemical Research-s Pub Date : 2022-03-01 DOI:10.1177/17475198221089833

Ruiji Li, Dong Wang, Xiaoyun Li, Zehui Zhang, Wei Li

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引用次数: 1

摘要

具有良好水溶性的可见光激发荧光探针在生物医学领域具有重要的研究意义。本研究以2-甲基苯并噻唑为原料合成了一系列可见光响应的碳氰荧光化合物[DiSCn(3)]，并将其作为荧光探针用于检测锡(II)离子。在化合物DiSCn(3)-3和4的水溶液中加入锡(II)离子后，两者的吸收和荧光强度分别发生了相当大的变化。这些光谱变化可能对应于锡(II)离子与苯并噻唑单元中的硫原子结合形成金属配合物。这表明DiSCn(3)-3和DiSCn(4)可以作为有前途的荧光化学传感器，通过可见光激发检测水溶液中的锡(II)离子。

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A visible-light-responsive DiSCn(3)-type fluorescent probe for the rapid, sensitive, and specific detection of tin(II) ions in aqueous solution

Visible-light-excited fluorescent probes with excellent water solubility are of significant research importance in the biomedical field. In this work, a series of visible-light-responsive carbocyanine fluorescent compounds [DiSCn(3)] are synthesized from 2-methylbenzothiazole and are employed as fluorescent probes for detecting tin(II) ions. Upon addition of tin(II) ions to an aqueous solution of compounds DiSCn(3)-3 and 4, both exhibit considerable changes in their absorption and fluorescent intensity, respectively. These spectral changes may correspond to the binding between tin(II) ions and the sulfur atom in the benzothiazole unit to form a metal complex. This indicates that DiSCn(3)-3 and 4 can be used as promising fluorescent chemical sensors for detecting tin(II) ions in aqueous solution via visible-light excitation.

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来源期刊

Journal of Chemical Research-s 化学科学, 有机化学, 有机合成

自引率

0.00%

发文量

审稿时长

1 months

期刊介绍： The Journal of Chemical Research is a peer reviewed journal that publishes full-length review and research papers in all branches of experimental chemistry. The journal fills a niche by also publishing short papers, a format which favours particular types of work, e.g. the scope of new reagents or methodology, and the elucidation of the structure of novel compounds. Though welcome, short papers should not result in fragmentation of publication, they should describe a completed piece of work. The Journal is not intended as a vehicle for preliminary publications. The work must meet all the normal criteria for acceptance as regards scientific standards. Papers that contain extensive biological results or material relating to other areas of science may be diverted to more appropriate specialist journals. Areas of coverage include: Organic Chemistry; Inorganic Chemistry; Materials Chemistry; Crystallography; Computational Chemistry.