Anionic surfactant reformed carbon composite voltammetric sensor for the efficient and sensitive detection of carmoisine in food samples.

Battira M Sharmila, Jamballi G Manjunatha, Karnayana P Moulya, Thiago C Canevari, Gaber E Eldesoky

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Article in Scientific reports, 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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5 authors.

Battira M SharmilaDepartment of Chemistry, FMKMC College, A Constituent College of Mangalore University, Madikeri, Karnataka, India.

Jamballi G ManjunathaDepartment of Chemistry, FMKMC College, A Constituent College of Mangalore University, Madikeri, Karnataka, India. manju1853@gmail.com.ORCID 0000-0002-0393-2474

Karnayana P MoulyaDepartment of Chemistry, FMKMC College, A Constituent College of Mangalore University, Madikeri, Karnataka, India.

Thiago C CanevariMultifunctional Nanomaterials Hybrid Laboratory (LABNAHM), Engineering School, Mackenzie Presbyterian University, São Paulo, Brazil.

Gaber E EldesokyDepartment of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Carmoisine (CM), an azo dye, imparts vibrant red color when added to the food, beverage, cosmetic and pharmaceutical products. The excessive intake of CM causes various health effects and hence it is essential to develop appropriate methods for the determination and quantification of CM in food samples. In this current work, a rapid detection and analysis of CM was performed via cyclic voltammetry (CV) and differential pulse voltammetry (DPV) techniques by harnessing sodium dodecyl sulfate modified composite sensor (SDSMCS). The morphological features and elemental composition of bare carbon nanotube graphite composite sensor (BCNGCS) and SDSMCS surfaces were compared and the difference between the working sensors was assessed. The active surface area was computed as 0.031 cm

Indexed as

Azo CompoundsCarbonCarmineElectrochemical TechniquesFood AnalysisSurface-Active AgentsDielectric SpectroscopyElectrodesNanotubes, CarbonOxidation-ReductionSodium Dodecyl SulfateAzo CompoundsCarbonCarmineNanotubes, CarbonSodium Dodecyl SulfateSurface-Active AgentsAnionic surfactantAzo dyeCarbon nanotubesCarmoisineVoltammetric sensor

Identifiers

PMID42321345

DOI10.1038/s41598-026-58798-z

PMCPMC13328487

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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.