ArticleScientific reports2024
Electrochemical sensor based on PEDOT/CNTs-graphene oxide for simultaneous determination of hazardous hydroquinone, catechol, and nitrite in real water samples.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 49 citations in OpenAlex.
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- Amino acid-assisted green synthesis of a porous binary oxide nanocomposite for sensitive electrochemical detection of chlorpromazine.Scientific reports · 2025Article
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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 CoAnalytical and bioanalytical chemistry · 2025Article
- Electrochemical Microneedles for Real-Time Monitoring in Interstitial Fluid: Emerging Technologies and Future Directions.Biosensors · 2025Review
- Parallel assembly of dual-electrochemical cell: a novel approach for simultaneous multiplexed sensing analysis.Mikrochimica acta · 2025Article
- MIL-101 (Fe)-NHHeliyon · 2025Article
- Nanoenzyme-based sensors for the detection of anti-tumor drugs.Mikrochimica acta · 2025Review
- CoFe-MOF nanoarray as flexible microelectrode for electrochemical detection of catechol in water samples.Heliyon · 2024Article
- Core-Shell PEDOT-PVDF Nanofiber-Based Ammonia Gas Sensor with Robust Humidity Resistance.Biosensors · 2024Article
- Non-Invasive Multi-Gas Detection Enabled by Cu-CuO/PEDOT Microneedle Sensor.Sensors (Basel, Switzerland) · 2024Article
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Authors and funding
4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Hydroquinone (HQ), catechol (CC) and nitrite (NT) are considered aquatic environmental pollutants. They are highly toxic, harm humans' health, and damage the environment. Thus, in the present work we introduce a simple and efficient electrochemical sensor for determination of HQ, CC, and NT simultaneously in wastewater sample. The sensor is fabricated by modifying the surface of a glassy carbon electrode (GCE) by two successive thin films from poly(3,4-ethylenedioxythiophene) (PEDOT) and a mixture of carbon nanotubes-graphene oxide (CNT-GRO). Under optimized conditions the HQ, CC, and NT are successfully detected simultaneously in wastewater sample with changing their concentrations in the ranges (0.04 → 100 µM), (0.01 → 100 µM) and (0.05 → 120 µM), the detection limits are 8.5 nM, 3.8 nM and 6.1 nM, respectively. Good potential peak separations: 117 mV and 585 mV are obtained between the HQ-CC, and CC-NT. The sensor has an excellent catalytic capability toward the oxidation of HQ, CC, and NT due to good synergism between its composite components: PEDOT, GRO and CNTs. The features of the sensor are large active surface area, good electrical conductivity, perfect storage stability, good reproducibility, anti-interference capability and accepted recovery rate for HQ, CC, and NT determination in wastewater sample.
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