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September 18, 2025Brazilian Journal of Analytical ChemistryOpen Access

Fabrication of an Electrochemically Synthesized Nanoporous Gold Electrode for In-Situ Ascorbic Acid Determination in Fruit Samples

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Authors

ESEduarda SeixasPDPedro H. A. DamascenoGSGilberto J. Silva

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Overview

This research demonstrates high sensitivity in ascorbic acid detection using a nanoporous gold electrode, suggesting effective applications in juice analysis.

Key Points

  • The NPG-modified electrode achieved a detection limit of 10 µmol L-1 for ascorbic acid in fruit samples.
  • Differential pulse voltammetry provided reliable measurements, indicating the electrode's outstanding sensitivity and selectivity.
  • Coulometric experiments confirmed the electrochemical method's reliability for analyzing ascorbic acid in complex juice matrices.
  • The mold-assisted electrodeposition method enables effective fabrication of the nanoporous gold electrode for analytical applications.

Cite This Study

Seixas et al. (2025) studied this question.

synapsesocial.com/papers/68d461c231b076d99fa60d27https://doi.org/10.30744/brjac.2179-3425.ar-22-2025
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