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    • SCIENTIFIC PRODUCTION
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    • Dpto. Química Física y Química Inorgánica
    • DEP63 - Artículos de revista
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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/30564

    Título
    Array of biosensors for discrimination of grapes according to grape variety, vintage and ripeness.
    Autor
    Rodríguez Méndez, María LuzAutoridad UVA Orcid
    Medina Plaza, Cristina
    Saja Sáez, José Antonio de
    Fernández Escudero, José AntonioAutoridad UVA
    Barajas Tola, Enrique
    Medrano, Germán
    Año del Documento
    2016
    Editorial
    Universidad de Valladolid EII
    Documento Fuente
    Analytica Chimica Acta 2016, vol.947 p. 16-22
    Abstract
    A bioelectronic tongue based on nanostructured biosensors specific for the simultaneous detection of sugars and phenols has been developed. The array combined oxidases and dehydrogenases immobilized on a lipidic layer prepared using the Langmuir-Blodgett technique where Glucose oxidase, d-Fructose dehydrogenase, Tyrosinase or Laccase were imbibed. A phthalocyanine was co-immobilized in the sensing layer and used as electron mediator. The array thus formed has been used to analyze grapes and provides global information about the samples while providing specific information about their phenolic and their sugar content. Using Principal Component Analysis (PCA) the array of voltammetric biosensors has been successfully used to discriminate musts prepared from different varieties of grapes (Tempranillo, Garnacha, Cabernet-Sauvignon, Prieto Picudo and Mencía). Differences could be also detected between grapes of the same variety and cultivar harvested in two successive vintages (2012 and 2013).
    Revisión por pares
    SI
    DOI
    10.1016/j.aca.2016.10.032
    Idioma
    spa
    URI
    http://uvadoc.uva.es/handle/10324/30564
    Derechos
    openAccess
    Collections
    • DEP63 - Artículos de revista [223]
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