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Abstract <p>Bismuth manganese oxide (BMO) nanoparticles (NPs) modified glassy carbon electrode (GCE) It was developed to detect dopamine (DA) with sensitivity and selectivity in the existence of uric acid (UA). The BMO nanoparticles were synthesized by simple combustion method. Characterisation and structural morphology of prepared BMO NPs were investigated by FT-IR, powder XRD, FE-SEM and EDAX, HR-TEM and elemental mapping.The electrochemical detection of DA at BMO NPs modified GCE was performed by cyclic voltammetry technique (CV) and differential pulse voltammetry (DPV) under optimum conditions, DPV had been employed for the contemporaneous estimation of DA and UA at BMO NPs modified glassy carbon electrode surface and thus prepared biosensor showed low limit of detection 0.091 µM and 0.023 µM for DA by CV and DPV technique respectively. The fabricated sensor could serve as a medium for the simultaneous investigation of DA due to its excellent reproducibility, and stability. Additionally, the created sensor displayed satisfactory recoveries for real sample analysis.</p>

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Electrochemical Investigation of Dopamine Using BiMnO Nanoparticles Modified Glassy Carbon Electrode

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • R. G. Spoorthy,
  • G. P. Mamatha,
  • K. M. Pallavi

摘要

Abstract

Bismuth manganese oxide (BMO) nanoparticles (NPs) modified glassy carbon electrode (GCE) It was developed to detect dopamine (DA) with sensitivity and selectivity in the existence of uric acid (UA). The BMO nanoparticles were synthesized by simple combustion method. Characterisation and structural morphology of prepared BMO NPs were investigated by FT-IR, powder XRD, FE-SEM and EDAX, HR-TEM and elemental mapping.The electrochemical detection of DA at BMO NPs modified GCE was performed by cyclic voltammetry technique (CV) and differential pulse voltammetry (DPV) under optimum conditions, DPV had been employed for the contemporaneous estimation of DA and UA at BMO NPs modified glassy carbon electrode surface and thus prepared biosensor showed low limit of detection 0.091 µM and 0.023 µM for DA by CV and DPV technique respectively. The fabricated sensor could serve as a medium for the simultaneous investigation of DA due to its excellent reproducibility, and stability. Additionally, the created sensor displayed satisfactory recoveries for real sample analysis.