A Cross-Linker-Based Poly(Ionic Liquid) for Sensitive Electrochemical Detection of 4-Nonylphenol
In this study, we report a cross-linker-based poly(ionic liquid) (PIL) for the sensitive detection of 4-nonylphenol (4-NP). PIL was poly(1,4-butanediyl-3,3′-bis-l-vinylimidazolium dibromide) (poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>...
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doaj-08ae43985bfb4d48812413d76a5d81312020-11-24T20:54:35ZengMDPI AGNanomaterials2079-49912019-04-019451310.3390/nano9040513nano9040513A Cross-Linker-Based Poly(Ionic Liquid) for Sensitive Electrochemical Detection of 4-NonylphenolJian Hu0Hao Dai1Yanbo Zeng2Yiwen Yang3Hailong Wang4Xudong Zhu5Lei Li6Guobao Zhou7Ruoyu Chen8Longhua Guo9School of Petrochemical Engineering, Changzhou University, Changzhou 213016, ChinaSchool of Petrochemical Engineering, Changzhou University, Changzhou 213016, ChinaCollege of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, ChinaCollege of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, ChinaCollege of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, ChinaCollege of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, ChinaCollege of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, ChinaCollege of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, ChinaSchool of Petrochemical Engineering, Changzhou University, Changzhou 213016, ChinaMOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Institute of Nanomedicine and Nanobiosensing, College of Chemistry, Fuzhou University, Fuzhou 350116, ChinaIn this study, we report a cross-linker-based poly(ionic liquid) (PIL) for the sensitive detection of 4-nonylphenol (4-NP). PIL was poly(1,4-butanediyl-3,3′-bis-l-vinylimidazolium dibromide) (poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>)). Poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>) was prepared via one-step free-radical polymerization. The poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>) was characterized by infrared spectroscopy, Raman spectroscopy, thermal gravimetric analyzer and scanning electron microscope. The poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>) was then drop-cast onto a glassy carbon electrode (GCE) to obtain poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>)/GCE. In comparison with a bare GCE, poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>)/GCE exhibited higher peak current responses for [Fe(CN)<sub>6</sub>]<sup>3−/4−</sup>, lower charge transfer resistance, and larger effective surface area. While comparing the peak current responses, we found the peak current response for 4-NP using poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>)/GCE to be 3.6 times higher than a traditional cross-linker ethylene glycol dimethacrylate (EGDMA) based poly(EGDMA) modified GCE. The peak current of poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>) sensor was linear to 4-NP concentration from 0.05 to 5 μM. The detection limit of 4-NP was obtained as 0.01 μM (S/N = 3). The new PIL based electrochemical sensor also exhibited excellent selectivity, stability, and reusability. Furthermore, the poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>)/GCE demonstrated good 4-NP detection in environmental water samples.https://www.mdpi.com/2079-4991/9/4/513poly(ionic liquid)cross-linkerelectrochemical detection4-nonylphenol |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Jian Hu Hao Dai Yanbo Zeng Yiwen Yang Hailong Wang Xudong Zhu Lei Li Guobao Zhou Ruoyu Chen Longhua Guo |
spellingShingle |
Jian Hu Hao Dai Yanbo Zeng Yiwen Yang Hailong Wang Xudong Zhu Lei Li Guobao Zhou Ruoyu Chen Longhua Guo A Cross-Linker-Based Poly(Ionic Liquid) for Sensitive Electrochemical Detection of 4-Nonylphenol Nanomaterials poly(ionic liquid) cross-linker electrochemical detection 4-nonylphenol |
author_facet |
Jian Hu Hao Dai Yanbo Zeng Yiwen Yang Hailong Wang Xudong Zhu Lei Li Guobao Zhou Ruoyu Chen Longhua Guo |
author_sort |
Jian Hu |
title |
A Cross-Linker-Based Poly(Ionic Liquid) for Sensitive Electrochemical Detection of 4-Nonylphenol |
title_short |
A Cross-Linker-Based Poly(Ionic Liquid) for Sensitive Electrochemical Detection of 4-Nonylphenol |
title_full |
A Cross-Linker-Based Poly(Ionic Liquid) for Sensitive Electrochemical Detection of 4-Nonylphenol |
title_fullStr |
A Cross-Linker-Based Poly(Ionic Liquid) for Sensitive Electrochemical Detection of 4-Nonylphenol |
title_full_unstemmed |
A Cross-Linker-Based Poly(Ionic Liquid) for Sensitive Electrochemical Detection of 4-Nonylphenol |
title_sort |
cross-linker-based poly(ionic liquid) for sensitive electrochemical detection of 4-nonylphenol |
publisher |
MDPI AG |
series |
Nanomaterials |
issn |
2079-4991 |
publishDate |
2019-04-01 |
description |
In this study, we report a cross-linker-based poly(ionic liquid) (PIL) for the sensitive detection of 4-nonylphenol (4-NP). PIL was poly(1,4-butanediyl-3,3′-bis-l-vinylimidazolium dibromide) (poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>)). Poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>) was prepared via one-step free-radical polymerization. The poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>) was characterized by infrared spectroscopy, Raman spectroscopy, thermal gravimetric analyzer and scanning electron microscope. The poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>) was then drop-cast onto a glassy carbon electrode (GCE) to obtain poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>)/GCE. In comparison with a bare GCE, poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>)/GCE exhibited higher peak current responses for [Fe(CN)<sub>6</sub>]<sup>3−/4−</sup>, lower charge transfer resistance, and larger effective surface area. While comparing the peak current responses, we found the peak current response for 4-NP using poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>)/GCE to be 3.6 times higher than a traditional cross-linker ethylene glycol dimethacrylate (EGDMA) based poly(EGDMA) modified GCE. The peak current of poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>) sensor was linear to 4-NP concentration from 0.05 to 5 μM. The detection limit of 4-NP was obtained as 0.01 μM (S/N = 3). The new PIL based electrochemical sensor also exhibited excellent selectivity, stability, and reusability. Furthermore, the poly([V<sub>2</sub>C<sub>4</sub>(mim)<sub>2</sub>]Br<sub>2</sub>)/GCE demonstrated good 4-NP detection in environmental water samples. |
topic |
poly(ionic liquid) cross-linker electrochemical detection 4-nonylphenol |
url |
https://www.mdpi.com/2079-4991/9/4/513 |
work_keys_str_mv |
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1716793998895480832 |