Issue 16, 2012
From the journal:

Organic & Biomolecular Chemistry

Design of switchable wettability sensor for paraquat based on clicking calix[4]arene†

Guifen Zhang,a   Xiaolei Zhu,a   Fajun Miao,a   Demei Tiana  and  Haibing Li*a  

* Corresponding authors

a Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
E-mail: lhbing@mail.ccnu.edu.cn

Abstract

A calix[4]arene acetylene (C4AE)-modified gold surface is successfully constructed in situ via click chemistry. The functionalized surface is used for selective recognition of paraquat by a wettability switch. Impedance measurements showed that the surface also expresses recognition for paraquat with a high sensitivity of 10 pM. The recognition mode, based on host–guest inclusion, is studied by computational calculations and the possible mechanism is analyzed.

Graphical abstract: Design of switchable wettability sensor for paraquat based on clicking calix[4]arene

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Article information

DOI
https://doi.org/10.1039/C2OB00018K
Article type
Communication
Submitted
04 Jan 2012
Accepted
27 Feb 2012
First published
28 Feb 2012

Org. Biomol. Chem., 2012,10, 3185-3188

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Design of switchable wettability sensor for paraquat based on clicking calix[4]arene

G. Zhang, X. Zhu, F. Miao, D. Tian and H. Li, Org. Biomol. Chem., 2012, 10, 3185 DOI: 10.1039/C2OB00018K

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