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核心技术专利：CN118964589B侵权必究
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基于电化学还原氧化石墨烯修饰的碳纳米管糊电极同时电化学检测儿茶酚和对苯二酚。

Simultaneous Electrochemical Detection of Catechol and Hydroquinone Based on a Carbon Nanotube Paste Electrode Modified with Electro-Reduced Graphene Oxide.

机构信息

School of Biomedical Engineering, South-Central Minzu University, Wuhan 430074, China.

Key Laboratory of Cognitive Science, State Ethnic Affairs Commission, Wuhan 430074, China.

出版信息

Int J Mol Sci. 2024 Sep 11;25(18):9829. doi: 10.3390/ijms25189829.

DOI:10.3390/ijms25189829
PMID:39337317
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11432359/
Abstract

Effectively detecting catechol (CC) and hydroquinone (HQ) simultaneously is crucial for environmental protection and human health monitoring. In the study presented herein, a novel electrochemical sensor for the sensitive simultaneous detection of CC and HQ was constructed based on an electrochemically reduced graphene oxide (ERGO)-modified multi-walled carbon nanotube paste electrode (MWCNTPE). Scanning electron microscopy, X-ray photoelectron spectroscopy, Raman spectroscopy and electrochemical techniques were utilized to characterize the sensing interface and investigate the sensing mechanism. Under the optimal detection conditions, the oxidation peak currents of CC and HQ show a good linear relationship with their concentrations in the range of 0.4-400 μM with a detection limit of 0.083 μM for CC and 0.028 μM for HQ (S/N = 3). Moreover, the sensor exhibits good performance and can be applied successfully in the simultaneous detection of CC and HQ in tap water samples and urine samples with satisfactory results, indicating its promising application prospects.

摘要

有效检测儿茶酚（CC）和对苯二酚（HQ）对于环境保护和人类健康监测至关重要。在本文研究中，基于电化学还原氧化石墨烯（ERGO）修饰的多壁碳纳米管糊电极（MWCNTPE），构建了一种用于同时灵敏检测 CC 和 HQ 的新型电化学传感器。采用扫描电子显微镜、X 射线光电子能谱、拉曼光谱和电化学技术对传感界面进行了表征，并研究了传感机制。在最佳检测条件下，CC 和 HQ 的氧化峰电流与其浓度在 0.4-400 μM 范围内呈良好的线性关系，CC 的检测限为 0.083 μM，HQ 的检测限为 0.028 μM（S/N = 3）。此外，该传感器表现出良好的性能，可成功应用于自来水样和尿样中 CC 和 HQ 的同时检测，结果令人满意，表明其具有广阔的应用前景。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/1015bd46c68b/ijms-25-09829-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/4cd9cfd91c90/ijms-25-09829-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/515d45f3cbb3/ijms-25-09829-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/fdc55a0f0957/ijms-25-09829-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/3e5ca2d95a7d/ijms-25-09829-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/2d5a4e58eca4/ijms-25-09829-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/3fb8902ce710/ijms-25-09829-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/bd393d4a6827/ijms-25-09829-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/31437d3f0234/ijms-25-09829-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/96d21befe997/ijms-25-09829-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/1015bd46c68b/ijms-25-09829-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/4cd9cfd91c90/ijms-25-09829-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/515d45f3cbb3/ijms-25-09829-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/fdc55a0f0957/ijms-25-09829-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/3e5ca2d95a7d/ijms-25-09829-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/2d5a4e58eca4/ijms-25-09829-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/3fb8902ce710/ijms-25-09829-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/bd393d4a6827/ijms-25-09829-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/31437d3f0234/ijms-25-09829-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/96d21befe997/ijms-25-09829-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/26f4/11432359/1015bd46c68b/ijms-25-09829-g009.jpg

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引用本文的文献

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Simultaneous determination of hydroquinone, catechol, and resorcinol with an electrochemical sensor based on poly-L-valine, multi-walled carbon nanotubes, and CoO nanoparticles.

Anal Bioanal Chem. 2025-5-26

本文引用的文献

[1]
A Biosensor for Simultaneous Detection of Epinephrine and Ascorbic Acid Based on Fe(III)-Polyhistidine-Functionalized Multi-Wall Carbon Nanotube Composites.

Int J Mol Sci. 2024-7-18

[2]
Application of surfactants in the electrochemical sensing and biosensing of biomolecules and drug molecules.

Anal Methods. 2024-6-13

[3]
Harnessing Graphene-Modified Electrode Sensitivity for Enhanced Ciprofloxacin Detection.

Int J Mol Sci. 2024-3-26

[4]
Voltammetric sensor based on glassy carbon electrode modified with hierarchical porous carbon, silver sulfide nanoparticles and fullerene for electrochemical monitoring of nitrite in food samples.

Food Chem. 2022-7-30

[5]
Carbon Materials in Electroanalysis of Preservatives: A Review.

Materials (Basel). 2021-12-11

[6]
Electrochemical sensor based on Ce-MOF/carbon nanotube composite for the simultaneous discrimination of hydroquinone and catechol.

J Hazard Mater. 2021-8-15

[7]
A novel sandwich-type SERS immunosensor for selective and sensitive carcinoembryonic antigen (CEA) detection.

Anal Chim Acta. 2020-12-1

[8]
Electrochemical preparation of activated graphene oxide for the simultaneous determination of hydroquinone and catechol.

J Colloid Interface Sci. 2017-3-31

[9]
Hydrophilic graphene surface prepared by electrochemically reduced micellar graphene oxide as a platform for electrochemical sensor.

Talanta. 2017-4-1

[10]
Rapid method for the quantification of hydroquinone concentration: chemiluminescent analysis.

Luminescence. 2015-11

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