Macroscopic visual detection of phoxim by calix[4]arene-based host-guest chemistry

被引：11

作者：

Feng, Jiyang ^{[1
]}

Yang, Guanxing ^{[1
]}

Mei, Yuxiao ^{[1
]}

Cao, Xianliang ^{[1
]}

Wang, Yecan ^{[2
]}

Li, Haibing ^{[1
]}

Lu, Qingye ^{[2
]}

机构：

[1] Cent China Normal Univ, Coll Chem, Minist Educ, Key Lab Pesticide & Chem Biol CCNU, Wuhan 430079, Hubei, Peoples R China

[2] Univ Calgary, Dept Chem & Petr Engn, Calgary, AB T2N 1N4, Canada

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2018年 / 271卷

基金：

加拿大自然科学与工程研究理事会; 中国国家自然科学基金;

关键词：

Calix[4]arene; Pesticide; Si-surface; Wettability sensor; PERFORMANCE LIQUID-CHROMATOGRAPHY; SWITCHABLE WETTABILITY SENSOR; TANDEM MASS-SPECTROMETRY; SOLID-PHASE EXTRACTION; ORGANOPHOSPHATE PESTICIDES; MODIFIED ELECTRODE; WATER SAMPLES; ACETYLCHOLINESTERASE; NANOPARTICLES; CLICKING;

D O I：

10.1016/j.snb.2018.05.107

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new coumarin-appended calix[4]arene (C4C2) was synthesized and a self-assembled monolayers modified silicon surface (C4C2-SAMs) was constructed via click chemistry. The water contact angle measurements show that these C4C2-SAMs exhibited highly selective macroscopic response towards phoxim with a detection limit of 1 x 10(-6) M. UV-vis and fluorescence titration further confirmed the high recognition selectivity of the C4C2-SAMs towards phoxim. The C4C2-SAMs are capable of detecting phoxim in real river water samples through visual water contact angle change, suggesting that the C4C2-SAMs can be used as a convenient and effective sensor for phoxim.

引用

页码：264 / 270

页数：7

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