SCREEN-PRINTED ELECTRODES MADE ON STONE PAPER SUBSTRATE FOR URIC ACID ELECTROCHEMICAL DETECTION

Authors

  • Codruța VARODI National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania. Corresponding author: stela.pruneanu@itim-cj.ro. https://orcid.org/0000-0001-9187-3613
  • Florina POGĂCEAN National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania. Corresponding author: stela.pruneanu@itim-cj.ro. https://orcid.org/0000-0001-6387-6307
  • Marin GHEORGHE NANOM MEMS SRL, Rasnov, Brasov, Romania. Corresponding author: stela.pruneanu@itim-cj.ro. https://orcid.org/0000-0002-7070-5052
  • Lucian BARBU-TUDORAN National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania. Corresponding author: stela.pruneanu@itim-cj.ro. https://orcid.org/0000-0003-0360-016X
  • Stela PRUNEANU National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania. Email: stela.pruneanu@itim-cj.ro. https://orcid.org/0000-0003-3927-3084

DOI:

https://doi.org/10.24193/subbchem.2020.2.19

Keywords:

uric acid detection, stone paper substrate, AuNPs modified electrodes

Abstract

Flexible screen-printed electrodes on stone paper substrate (HP) and modified with gold nanoparticles (HP-AuNPs) or AuNPs-poly-methylene blue (HP-AuNPs-PMB) were fabricated and morphologically investigated by SEM/EDS. The electrochemical properties of the new electrodes were studied by cyclic voltammetry (CV). The best electrocatalytic properties for uric acid detection were obtained with HP-AuNPs electrode: 0.16 µM Limit of Detection, 5x10-7- 10-4 M linear range and 20.7 mA/M sensitivity.

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STUDIA UBB CHEMIA, Volume 65 (LXV), No. 2, June 2020

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Published

2020-06-30

How to Cite

VARODI, C. ., POGĂCEAN, F. ., GHEORGHE, M. ., BARBU-TUDORAN, L. ., & PRUNEANU, S. . (2020). SCREEN-PRINTED ELECTRODES MADE ON STONE PAPER SUBSTRATE FOR URIC ACID ELECTROCHEMICAL DETECTION. Studia Universitatis Babeș-Bolyai Chemia, 65(2), 233–242. https://doi.org/10.24193/subbchem.2020.2.19

Issue

Volume 65, No. 2, 2020

Section

Articles

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