Autor segons l'article: Novell, M.; Guadarrama-Fernández, L.; Blondeau, P.; Andrade, F. J.
Departament: Química Analítica i Química Orgànica
Autor/s de la URV: NOVELL RECASENS, MARTA; Guadarrama-Fernández, L.; BLONDEAU , PASCAL JEAN CLAUDE LEON; ANDRADE , FRANCISCO JAVIER
Resum: A new biosensor for monitoring glucose levels in beverages is presented. The measurements are performed using potentiometric detection. Working electrodes are made using platinised paper as support and a biocompatible polymeric membrane made of a mixture of polyvinyl alcohol and chitosan containing glucose oxidase as the recognition layer. The system is based on the detection of the hydrogen peroxide generated by an enzymatic reaction performed in a highly sensitive, selective and simple way. The biosensors display suitable analytical performance (sensitivity −119.6 ± 6.4 mV/dec in the 0.03–1.0 mM range with a limit of detection of 0.02 mM). Determination of glucose in commercial orange juices is presented. These results were validated against conventional standard methods, showing good accuracy and fast analytical response. The methodology presented herein does not require complex samples treatment, offering an alternative to conventional methods, particularly for determinations performed with minimal expertise and without a laboratory infrastructure.
Grup de recerca: Grup de Quimiometria, Qualimetria i Nanosensors
Àrees temàtiques: Química Química Chemistry
Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
ISSN: 0308-8146
Identificador de l'autor: ; ; 0000-0003-1331-5055; 0000-0003-1199-2837
Data d'alta del registre: 2018-07-27
Pàgina final: 69
Volum de revista: 265
Versió de l'article dipositat: info:eu-repo/semantics/submittedVersion
Enllaç font original: https://www.sciencedirect.com/science/article/abs/pii/S030881461830894X?via%3Dihub
Programa de finançament: plan; Retos; CTQ2013-46404-R plan; Retos; CTQ2016-77128-R altres; Ramon y Cajal ; RyC; altres; CONACyT (Mexico) post doctorate scholarship;
URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
DOI de l'article: 10.1016/j.foodchem.2018.05.082
Entitat: Universitat Rovira i Virgili
Any de publicació de la revista: 2018
Pàgina inicial: 64
Tipus de publicació: Article Artículo Article