An electrochemical sensor based on clay/graphene oxide decorated on chitosan gel for the determination of flubendiamide insecticide

被引：15
作者：
Aghris, S. [1 ]
Chhaibi, B. [1 ]
Ouatmane, F. Z. [1 ,2 ]
Alaoui, O. Tahiri [2 ]
Laghrib, F. [1 ,3 ]
Farahi, A. [1 ]
Bakasse, M. [4 ]
Loukili, A. [1 ,5 ]
Lahrich, S. [1 ]
EL Mhammedi, M. A. [1 ]
机构：
[1] Sultan Moulay Slimane Univ, Polydisciplinary Fac, Lab Mat Sci Math & Environm, Khouribga, Morocco
[2] Moulay Ismail Univ, Sci & Technol Fac, Lab Phys Chem Mat & Environm, Errachidia, Morocco
[3] Sidi Mohamed Ben Abdellah Univ, Fac Sci, Lab Electrochem Engn Modeling & Environm, Fes, Morocco
[4] Chouaib Doukkali Univ, Fac Sci, Lab Organ Bioorgan Chem & Environm, El Jadida, Morocco
[5] Reg Ctr Teaching & Training Profess, Lab Sci Res & Pedag Innovat, Rabat Sale Kenitra, Morocco
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2023年 / 296卷
关键词：
Thermally reduced graphene oxide; Natural clay composite; Flubendiamide; Chemically modified electrode; GRAPHENE OXIDE; INFRARED-SPECTROSCOPY; NANOCOMPOSITES; NANOPARTICLES; REMOVAL; COMPOSITE;
D O I：
10.1016/j.matchemphys.2022.127243
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents a thermally reduced graphene/clay/chitosan modified pencil electrode for ultrasensitive detection of Flubendiamide using differential pulse voltammetry. The graphene oxide was synthesized by exfoliation of graphite with an eco-friendly procedure. The as-produced reduced graphene/clay/chitosan com-posite is characterized by utilizing Fourier transform infrared spectroscopy and Scanning electron microscopy. The electrochemical behavior of the electrode before and after modification was investigated by cyclic vol-tammetry. Under optimized conditions, the reduced graphene/clay/chitosan modified pencil electrode exhibited excellent analytical properties toward Flubendiamide determination using differential pulse voltammetry. A linear calibration curve was established from 0.02 to 15 mu mol L-1 for Flubendiamide with a limit of detection of 0.001 mu mol L-1. The method was effectively employed for Flubendiamide detection in white rice samples.
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页数：10
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