A modified electrode based on a 3D reduced graphene oxide and MoS<sub>2</sub> composite for simultaneous detection of sunset yellow and tartrazine

Cheng, Shiqi; Lin, Zhongwei; Qin, Shangying; Huang, Li; Yang, Jian; Wang, Yilin

doi:10.1039/d3ay00914a

Anal. Methods

2023

DOI: 10.1039/d3ay00914a

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A modified electrode based on a 3D reduced graphene oxide and MoS₂ composite for simultaneous detection of sunset yellow and tartrazine

Shiqi Cheng

Zhongwei Lin

Shangying Qin

et al.

Abstract: 3D reduced graphene oxide (3DrGO) composite loaded with cauliflower-like MoS2 was prepared. Benefiting from the synergistic effects of 3DrGO and cauliflower-like MoS2, the glassy carbon electrode (GCE) modified with 3DrGO-MoS2...

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2024

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Differential pulse voltammetry detection of sunset yellow and tartrazine in beverages using rGO-BaMoO4 composite

Lin,

Wen,

Huang

et al. 2024

Appl. Phys. A

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Differential pulse voltammetry detection of sunset yellow and tartrazine in beverages using rGO-BaMoO4 composite

Lin,

Wen,

Huang

et al. 2024

Appl. Phys. A

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Voltammetric Sensor Based on the Combination of Tin and Cerium Dioxide Nanoparticles with Surfactants for Quantification of Sunset Yellow FCF

Gimadutdinova,

Ziyatdinova,

Davletshin

2024

Sensors

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Sunset Yellow FCF (SY FCF) is one of the widely used synthetic azo dyes in the food industry whose content has to be controlled for safety reasons. Electrochemical sensors are a promising tool for this type of task. A voltammetric sensor based on a combination of tin and cerium dioxide nanoparticles (SnO2–CeO2 NPs) with surfactants has been developed for SY FCF determination. The synergetic effect of both types of NPs has been confirmed. Surfactants of various natures (sodium lauryl sulfate (SLS), Brij® 35, and hexadecylpyridinium bromide (HDPB)) have been tested as dispersive media. The best effects, i.e., the highest oxidation currents of SY FCF, have been observed in the case of HDPB. The sensor demonstrates a 4.5-fold-higher electroactive surface area and a 38-fold-higher electron transfer rate compared to the bare glassy carbon electrode (GCE). The electrooxidation of SY FCF is an irreversible, two-electron, diffusion-driven process involving proton transfer. In differential pulse mode in Britton–Robinson buffer (BRB) pH 2.0, the sensor gives a linear response to SY FCF from 0.010 to 1.0 μM and from 1.0 to 100 μM with an 8.0 nM detection limit. The absence of an interferent effect from other typical food components and colorants has been shown. The sensor has been tested on soft drinks and validated with the standard chromatographic method.

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A modified electrode based on a 3D reduced graphene oxide and MoS₂ composite for simultaneous detection of sunset yellow and tartrazine

Abstract: 3D reduced graphene oxide (3DrGO) composite loaded with cauliflower-like MoS2 was prepared. Benefiting from the synergistic effects of 3DrGO and cauliflower-like MoS2, the glassy carbon electrode (GCE) modified with 3DrGO-MoS2...

Cited by 2 publications

References 37 publications

Differential pulse voltammetry detection of sunset yellow and tartrazine in beverages using rGO-BaMoO4 composite

Differential pulse voltammetry detection of sunset yellow and tartrazine in beverages using rGO-BaMoO4 composite

Voltammetric Sensor Based on the Combination of Tin and Cerium Dioxide Nanoparticles with Surfactants for Quantification of Sunset Yellow FCF

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Product

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About

A modified electrode based on a 3D reduced graphene oxide and MoS2 composite for simultaneous detection of sunset yellow and tartrazine

Abstract: 3D reduced graphene oxide (3DrGO) composite loaded with cauliflower-like MoS2 was prepared. Benefiting from the synergistic effects of 3DrGO and cauliflower-like MoS2, the glassy carbon electrode (GCE) modified with 3DrGO-MoS2...

Cited by 2 publications

References 37 publications

Differential pulse voltammetry detection of sunset yellow and tartrazine in beverages using rGO-BaMoO4 composite

Differential pulse voltammetry detection of sunset yellow and tartrazine in beverages using rGO-BaMoO4 composite

Voltammetric Sensor Based on the Combination of Tin and Cerium Dioxide Nanoparticles with Surfactants for Quantification of Sunset Yellow FCF

Contact Info

Product

Resources

About

A modified electrode based on a 3D reduced graphene oxide and MoS₂ composite for simultaneous detection of sunset yellow and tartrazine