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
收藏
页码：264 / 270
页数：7
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