A turn-on fluorescent sensor for Cd2+ and sequential detection of S2- using the quinolimide scaffold

被引：11

作者：

Li, Lan ^{[1
]}

Zhang, Yu ^{[1
]}

Yang, Jianhua ^{[1
]}

Qu, Wenjing ^{[1
]}

Cao, Hongjie ^{[1
]}

机构：

[1] Qiqihar Univ, Coll Chem & Chem Engn, Qiqihar 161006, Peoples R China

来源：

TETRAHEDRON | 2022年 / 121卷

关键词：

Quinolimide; Sensor; Cd2+; S2-; LARGE STOKES SHIFT; SELECTIVE DETECTION; SULFIDE IONS; PROBE; CHEMOSENSOR; RECOGNITION; CELLS;

D O I：

10.1016/j.tet.2022.132917

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A novel quinolimide derivative (BNAL), bearing the amide-DPA receptor at position 9 of the heterocyclic ring, was synthesized for sequential detection of Cd2+ and S2-. BNAL could discriminate Cd2+ from Zn2+, showing the turn-on response upon interaction with Cd2+. After adding S2-, the fluorescence of the BNAL-Cd2+ solution was reverted through the displacement strategy. The limits of detection (LODs) of BNAL for Cd2+ and the BNAL-Cd2+ complex for S2- were found to be 17.9 nM and 1.51 mM, respectively. Finally, cell imaging experiments showed BNAL could be successfully employed for sequentially imaging Cd2+ and S2- via the off-on-off behavior in yeast cells. (C) 2022 Elsevier Ltd. All rights reserved.

引用

页数：6

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