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用于分析砷药物洛克沙胂的双氯芬酸浸渍介孔碳基电极材料

Diclofenac-Impregnated Mesoporous Carbon-Based Electrode Material for the Analysis of the Arsenic Drug Roxarsone.

作者信息

Tyszczuk-Rotko Katarzyna, Gorylewski Damian, Olchowski Rafał, Dobrowolski Ryszard

机构信息

Faculty of Chemistry, Institute of Chemical Sciences, Maria Curie-Skłodowska University in Lublin, 20-031 Lublin, Poland.

Department of Pharmacology, Toxicology and Environmental Protection, Faculty of Veterinary Medicine, University of Life Sciences, 20-950 Lublin, Poland.

出版信息

Materials (Basel). 2023 Aug 2;16(15):5420. doi: 10.3390/ma16155420.

DOI:10.3390/ma16155420
PMID:37570122
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10419715/
Abstract

This paper describes a novel electrode material, diclofenac-impregnated mesoporous carbon modified with a cationic surfactant, cetyltrimethylammonium bromide (DF-CMK-3/CTAB), for ultratrace analysis of the arsenic drug roxarsone (ROX). DF-CMK-3 amorphous carbon is a material with a high specific surface area and well-defined, hexagonally ordered, thin mesopores. The functional groups attached to the carbonaceous surface, such as chromene and pyron-like oxygen groups, lactam, and aromatic carbon rings, have the basic character and they can donate electrons. Modification of DF-CMK-3 with a CTAB layer significantly increases the analytical signal due to electrostatic interactions between the cationic surfactant and the anion form of ROX in the acidic medium. The voltammetric procedure at the glassy carbon sensor modified with DF-CMK-3/CTAB exhibited excellent sensitivity (limit of detection of 9.6 × 10 M) with a wide range of linearity from 5.0 × 10 to 1.0 × 10 M. Analysis of real samples (treated municipal wastewater and river water) showed recoveries from 96 to 102% without applying the complicated sample pretreatment step. The sensor demonstrated excellent sensitivity in the analysis of the arsenic drug ROX in the presence of interferences in environmental water samples.

摘要

本文描述了一种新型电极材料，即双氯芬酸浸渍的介孔碳，用阳离子表面活性剂十六烷基三甲基溴化铵（DF-CMK-3/CTAB）改性，用于砷药物洛克沙胂（ROX）的超痕量分析。DF-CMK-3无定形碳是一种具有高比表面积且具有明确的六边形有序薄介孔的材料。附着在碳质表面的官能团，如色烯和吡喃样氧基团、内酰胺和芳族碳环，具有碱性特征且能够提供电子。在酸性介质中，由于阳离子表面活性剂与ROX阴离子形式之间的静电相互作用，用CTAB层对DF-CMK-3进行改性可显著增加分析信号。用DF-CMK-3/CTAB修饰的玻碳传感器上的伏安法程序表现出优异的灵敏度（检测限为9.6×10⁻⁹ M），线性范围宽，从5.0×10⁻⁸到1.0×10⁻⁶ M。对实际样品（处理后的城市废水和河水）的分析表明，无需进行复杂的样品预处理步骤，回收率在96%至102%之间。该传感器在环境水样存在干扰的情况下，对砷药物ROX的分析表现出优异的灵敏度。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/b176dcb40ba8/materials-16-05420-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/e5901c96ca4b/materials-16-05420-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/e78628de2680/materials-16-05420-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/01444c249b45/materials-16-05420-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/fb3c6bcd6e27/materials-16-05420-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/1965efc0f329/materials-16-05420-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/0840f90a1499/materials-16-05420-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/37e3edef5528/materials-16-05420-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/7ddcac168a4c/materials-16-05420-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/b176dcb40ba8/materials-16-05420-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/e5901c96ca4b/materials-16-05420-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/e78628de2680/materials-16-05420-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/01444c249b45/materials-16-05420-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/fb3c6bcd6e27/materials-16-05420-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/1965efc0f329/materials-16-05420-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/0840f90a1499/materials-16-05420-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/37e3edef5528/materials-16-05420-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/7ddcac168a4c/materials-16-05420-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d2c/10419715/b176dcb40ba8/materials-16-05420-g009.jpg

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Development of robust multifunctional CrNiCo-P/GCN catalyst for oxygen evolution reaction, electrochemical sensing, and photodegradation of roxarsone.
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