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.

引用

页数：7

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