Selective cyanide sensing using a Fe(III) complex of pyridoxal-beta alanine Schiff base

被引：11
|
作者：
Das, Chandrima [1 ]
Mondal, Antu [1 ]
Sengupta, Swaraj [1 ,2 ]
Cardin, Christine [3 ]
Chattopadhyay, Shyamal Kumar [1 ]
机构：
[1] Indian Inst Engn Sci & Technol, Dept Chem, Howrah 711103, India
[2] Birla Inst Technol, Dept Chem, Ranchi 835215, Jharkhand, India
[3] Univ Reading, Dept Chem, Whiteknights, Berkshire RG6 6AH, England
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2022年 / 273卷
关键词：
Cyanide sensor; Fluorescent sensor; Fe(III) complex; Pyridoxal Schiff's base; Beta alanine; ANION RECOGNITION; CHEMOSENSOR; FLUORESCENT; IONS; PROBE;
D O I：
10.1016/j.saa.2022.120943
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Fluorogenic chemosensors using pyridoxal derivatized ligands as fluorophore is a rapidly growing field of research. Here we report a new Fe(III) complex, [Fe(HBala-pydx)(Bala-pydx)] (H(2)Bala-pydx is the Schiff base of pyridoxal with beta-alanine), which can serve as a sensitive and selective turn-on fluorescent sensor for the detection of cyanide(CN-) in micromolar concentrations (L.O.D. is 1.134 mu M), via the ligand displacement approach, in aqueous-acetonitrile medium. The Fe(III) complex is adequately characterized by analytical and spectroscopic methods along with X-ray crystal structure determination. (C) 2022 Elsevier B.V. All rights reserved.
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页数：7
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