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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/4780

    Título
    Determination of halides using Ag nanoparticles-modified disposable electrodes. A first approach to a wearable sensor for quantification of chloride ions
    Autor
    Bujes Garrido, Julia
    Izquierdo Bote, DanielAutoridad UBU Orcid
    Heras Vidaurre, AránzazuAutoridad UBU Orcid
    Colina Santamaría, ÁlvaroAutoridad UBU Orcid
    Arcos Martínez, JuliaAutoridad UBU Orcid
    Publicado en
    Analytica Chimica Acta. 2018, V. 1012, p. 42-48
    Editorial
    Elsevier
    Fecha de publicación
    2018-07
    ISSN
    0003-2670
    DOI
    10.1016/j.aca.2018.01.063
    Zusammenfassung
    This work reports a simple voltammetric method for the determination of chloride, bromide, and iodide ions using screen-printed carbon electrodes modified with silver nanoparticles electrochemically deposited on the working electrode surface. UV/Vis absorption spectroelectrochemistry was used to study the electrodeposition of silver nanoparticles on the working carbon electrode on PET or Gore-Tex® supports, and their subsequent oxidation in the presence of halide ions. The main figures of merit of the developed sensors, such as reproducibility and detection limit, have been calculated. Reproducibility values of 2.22%, 2.83% and 3.23% were obtained for chloride, bromide and iodide determinations, respectively. Additionally, the lowest detected amount of chloride, bromide and iodide ions were 3.0·10−6 M, 5.0·10−6 M and 5.0·10−6 M, respectively. Taking into account the relevance of the determination of chloride ion concentration in sweat, the voltammetric method for the determination of halides has been successfully transferred to a Gore-Tex® support to build a first approach to a wearable sensor that facilitates the quantification of this ion in sweat samples. The Gore-Tex® sensor provides a good reproducibility (RSD = 1.61%).
    Palabras clave
    Halide ions electrochemical determination
    Wearable screen-printed sensors
    UV/Vis absorptometric spectroelectrochemistry
    Silver nanoparticles
    Sweat analysis
    Materia
    Chemistry, Analytic
    Química analítica
    URI
    http://hdl.handle.net/10259/4780
    Versión del editor
    https://doi.org/10.1016/j.aca.2018.01.063
    Aparece en las colecciones
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    Attribution-NonCommercial-NoDerivatives 4.0 International
    Documento(s) sujeto(s) a una licencia Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
    Dateien zu dieser Ressource
    Nombre:
    Bujes-ACA_2018.pdf
    Tamaño:
    5.209Mb
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