Quinoline appended pillar[5]arene (QPA) as Fe3+ sensor and complex of Fe3+ (FeQPA) as a selective sensor for F-, arginine and lysine in the aqueous medium

被引：22

作者：

Joseph, Roymon ^{[1
]}

Asok, Adersh ^{[2
]}

Joseph, Kuruvilla ^{[1
]}

机构：

[1] Indian Inst Space Sci & Technol IIST, Dept Chem, Thiruvananthapuram 695547, Kerala, India

[2] Natl Inst Interdisciplinary Sci & Technol NIIST, Mat Sci & Technol Div, Thiruvananthapuram 695019, Kerala, India

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2020年 / 224卷

关键词：

Fe3+ sensor; Fluoride sensor; Pillar[5]arene; Amino acid detection; Fluorescence; IRON REGULATORY PROTEINS; MOLECULAR RECOGNITION; ELECTRON-TRANSFER; FLUORESCENT; CHEMOSENSORS; MECHANISMS; CHEMISTRY; FLUORIDE; ZN2+; ATP;

D O I：

10.1016/j.saa.2019.117390

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A quinoline functionalized pillar[5]arene, QPA has been prepared and its interaction with biologically relevant ions and molecules in aqueous solution has been demonstrated. The sensor molecule, QPA has shown selectivity towards Fe3+ among eleven metal ions studied. The Fe3+ complex of QPA (FeQPA) selectively interacts with F- among halides by similar to 4 fold fluorescence enhancement. Further, FeQPA has shown selectivity towards arginine and lysine among twenty naturally occurring amino acids. The binding of QPA with Fe3+ has been confirmed by MALDI-TOF and H-1 NMR titrations. (c) 2019 Elsevier B.V. All rights reserved.

引用

页数：6

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