Amino-Quinoline Based Colorimetric Chemosensor for Cu2+ Detection

被引：8
作者：
Patil, D. Y. [1 ]
Khadke, N. B. [2 ]
Patil, A. A. [2 ]
Borhade, A., V [2 ]
机构：
[1] KK Wagh Inst Engn Educ & Res, Dept Appl Sci, Nasik 422003, India
[2] HPT Arts & RYK Sci Coll, Res Ctr, Dept Chem, Nasik 422005, India
来源：
JOURNAL OF ANALYTICAL CHEMISTRY | 2022年 / 77卷 / 01期
关键词：
Schiff base ligand; quinoline; colorimetric; fluorescence; chemosensor; copper; FLUORESCENT CHEMOSENSOR; SELECTIVE RECOGNITION; WILSON DISEASE; SENSOR; COPPER; FE3+; COMPLEX; GENE; ION;
D O I：
10.1134/S1061934822010105
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Benzohydrazide based Schiff base was synthesized by condensation of 2-amino-quinoline-3-carbaldehyde and 4-nitrobenzohydrazide. The colorimetric sensing activity of Schiff base ligand (SBL) toward various metal ions was successfully investigated in CH3CN solution. After addition of Cu2+, a significant change was observed at 428 nm with red shift of 32 nm in visible region while other metal ions did not show any changes. Association constant was calculated using Benesi-Hildebrand method and was observed to be 2.317 x 10(3) M-1. Detection and quantification limits for SBL-Cu2+ are 9 x 10(-5) and 2.9 x 10(-4) M, respectively. In competitive experiment with other metal cations, SBL presented higher sensitivity toward Cu2+ in the presence of CH3CN.
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页码：18 / 25
页数：8
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