A High-Performance Fe@N-S-O-C Nanocomposite-Based Electrochemical Sensor for Dopamine Detection in Pork Samples.

Luyao Wang, Xuelian Wu, Yizi Mahai, Wenjing Ma, Lin Zhou, Jing Zhang, Xinhui Wang, Jing Li

Abstract read

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Article in Foods (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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8 authors.

Luyao WangCollege of Food and Biological Engineering, Chengdu University, Chengdu 610106, China.

Xuelian WuCollege of Food and Biological Engineering, Chengdu University, Chengdu 610106, China.

Yizi MahaiCollege of Food and Biological Engineering, Chengdu University, Chengdu 610106, China.

Wenjing MaCollege of Food and Biological Engineering, Chengdu University, Chengdu 610106, China.

Lin ZhouCollege of Food and Biological Engineering, Chengdu University, Chengdu 610106, China.

Jing ZhangCollege of Food and Biological Engineering, Chengdu University, Chengdu 610106, China.ORCID 0009-0002-5621-7519

Xinhui WangCollege of Food and Biological Engineering, Chengdu University, Chengdu 610106, China.

Jing LiCollege of Food and Biological Engineering, Chengdu University, Chengdu 610106, China.ORCID 0000-0002-6079-9833

Funding

Sichuan Province College Students' Innovation Training Program S202511079106Sichuan Tourism University CC25Z02the project of Key Laboratories of Fine Chemicals and Surfactants in Sichuan Provincial Universi-ties 2023JXY08

6 · The paper itself

Abstract

Monitoring dopamine (DA) in pork can provide useful information for assessing meat freshness and quality deterioration. In this work, an Fe@N-S-O-C nanocomposite was fabricated as an electrode modifier for DA determination. The Fe@N-S-O-C nanocomposite was synthesized via precipitation followed by calcination using melamine and ferrous sulfate as precursors. The crystal structure, surface chemical composition, and morphology were characterized by XRD, XPS, SEM, and TEM. The Fe@N-S-O-C-modified glassy carbon electrode (Fe@N-S-O-C/GCE) was then evaluated for its electrocatalytic performance toward DA. Under the optimized conditions (pH 6.0), the sensor showed linear responses to DA over 1-65 and 65-220 μM. The sensitivities for these two ranges were 4.357 and 1.685 μA μM

Indexed as

dopamine detectionelectrochemical sensorfood safetyiron-based nanomaterialspork samples

Identifiers

PMID42650580

DOI10.3390/foods15162886

PMCPMC13512036

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.