High-Performance Oxidation and Nanomolar Detection of Phenylhydrazine Using a 6-Hydroxyflavone-Based Molecular Electrocatalyst Functionalized Multiwalled Carbon Nanotube in Batch Injection Analysis.

Valisireddy Lavanya, Kannappan Santhakumar, Annamalai Senthil Kumar

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Article in ChemistryOpen, 2025. 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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3 authors.

Valisireddy LavanyaNano and Bioelectrochemistry Research Laboratory, CO2 and Green Technologies Research Centre, Vellore Institute of Technology University, Vellore, 632 014, Tamil Nadu, India.

Kannappan SanthakumarDepartment of Chemistry, School of Advanced Sciences, Vellore Institute of Technology University, Vellore, 632 014, Tamil Nadu, India.

Annamalai Senthil KumarNano and Bioelectrochemistry Research Laboratory, CO2 and Green Technologies Research Centre, Vellore Institute of Technology University, Vellore, 632 014, Tamil Nadu, India.ORCID https://orcid.org/0000-0001-8800-4038

Funding

Department of Science and Technology CRG/2021/001048

6 · The paper itself

Abstract

The development of simple and rapid methods for preparing redox-active molecular catalyst-functionalized carbon electrodes for electrocatalytic applications is a significant research area. 6-Hydroxyflavone (HFLA), a naturally occurring flavonoid with known anxiolytic properties, also acts as a noncompetitive inhibitor of cytochrome. This study focuses on the in situ functionalization of multiwalled carbon nanotubes (MWCNTs) with redox-active HFLA, resulting in a modified electrode denoted as GCE/MWCNT@HFLA-Redox, where HFLA-Redox represents the redox-active product of HFLA. The constructed-modified electrode exhibits a well-defined and stable surface-confined redox response at E° of 0.55 V versus Ag/AgCl, with a surface excess of 6.26 × 10

Indexed as

6‐hydroxy flavoneelectrocatalysisphenylhydrazine oxidationredox‐active molecular catalystrotating disc electrode

Identifiers

PMID40491061

DOI10.1002/open.202500140

PMCPMC12598829

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