New Approach for the Electrochemical Detection of Dopamine View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

2017

AUTHORS

M. Tertiș , A. Florea , A. Adumitrachioaie , D. Bogdan , C. Cristea , R. Săndulescu

ABSTRACT

An innovative biomimetic electrochemical sensor was elaborated for the dopamine detection using a glassy carbon electrode modified with gold nanoparticles. The molecularly imprinted polymers and nonimprinted polymers were electrochemically generated on the electrode surface after the obtaining of the self-assembled monolayer of the functional monomer - p-aminothiophenol through sulfur-gold bonds with dopamine as template molecule (in the case of molecularly imprinted polymer). Cyclic voltammetry and electrochemical impedance spectroscopy were used for the characterization of the sensor considering its response in the presence of hexacyanoferrate as redox probe, while the morphostructural characterization of the elaborated platform was realized by using atomic force microscopy. Differential pulse voltammetry experiments in saline phosphate buffer (0.02M; pH 7.4) were performed after the pre-concentration of dopamine in order to test the biomimetic sensor performance. More... »

PAGES

103-106

References to SciGraph publications

  • 2013-04. New trends in the electrochemical sensing of dopamine in ANALYTICAL AND BIOANALYTICAL CHEMISTRY
  • Book

    TITLE

    International Conference on Advancements of Medicine and Health Care through Technology; 12th - 15th October 2016, Cluj-Napoca, Romania

    ISBN

    978-3-319-52874-8
    978-3-319-52875-5

    Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/978-3-319-52875-5_23

    DOI

    http://dx.doi.org/10.1007/978-3-319-52875-5_23

    DIMENSIONS

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