Results overview: Found 22 records in 0.02 seconds.
Articles, 21 records found
Research literature, 1 records found
Articles 21 records found  1 - 10nextend  jump to record:
1.
15 p, 1.5 MB Voltammetric electronic tongue to identify Brett character in wines. On-site quantification of its ethylphenol metabolites / González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work reports the applicability of a voltammetric sensor array able to evaluate the content of the metabolites of the Brett defect: 4-ethylphenol, 4-ethylguaiacol and 4-ethylcatechol in spiked wine samples using the electronic tongue (ET) principles. [...]
2018 - 10.1016/j.talanta.2017.10.041
Talanta, Vol. 179 (March 2018) , p. 70-74  
2.
25 p, 1.1 MB Enhanced electrochemical response of carbon quantum dot modified electrodes / Algarra, Manuel (Universidad de Málaga. Departamento de Química Inorgánica, Cristalografía y Mineralogía) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Radotić, Ksenija (University of Belgrade. Institute for Multidisciplinary Research) ; Mutavdzic, D. (University of Belgrade. Institute for Multidisciplinary Research) ; Ania, Conchi (Centre national de la recherche scientifique. Conditions Extrêmes et Matériaux: Haute Température et Irradiation) ; Lázaro-Martínez, Juan Manuel M. (Universidad de Buenos Aires. Departamento de Química Orgánica) ; Jiménez-Jiménez, José (Universidad de Málaga. Departamento de Química Inorgánica, Cristalografía y Mineralogía) ; Rodríguez-Castellón, Enrique (Universidad de Málaga. Departamento de Química Inorgánica, Cristalografía y Mineralogía) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
A glassy carbon electrode (GCE) was surface-modified with carbon quantum dots (CQDs) and applied for the effective enhancement of the electrochemical signal for dopamine and uric acid determination. CQDs were prepared from graphite by a green modification of the Hummers method. [...]
2018 - 10.1016/j.talanta.2017.09.082
Talanta, Vol. 178 (Feb. 2018) , p. 679-685  
3.
29 p, 618.9 KB Electronic tongues to assess wine sensory descriptors / Cetó Alsedà, Xavier (University of South Australia. Future Industries Institute) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Crespo, Nora (Universitat Autònoma de Barcelona. Departament de Química) ; Pérez, Sandra (Universitat Autònoma de Barcelona. Departament de Química) ; Capdevila Mestres, Josefa (INCAVI-IRTA. Estació de Viticultura i Enologia) ; Puig-Pujol, Anna (INCAVI-IRTA. Estació de Viticultura i Enologia) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work reports the application of an electronic tongue as a tool towards the analysis of wine in tasks such as its discrimination based on the maturing in barrels or the prediction of the global scores assigned by a sensory panel. [...]
2017 - 10.1016/j.talanta.2016.09.055
Talanta, Vol. 162 (January 2017) , p. 218-224  
4.
25 p, 639.0 KB Multivariate determination of total sugar content and ethanol in bioethanol production using carbon electrodes modified with MWCNT/MeOOH and chemometric data treatment / Cardoso de Sá, Acelino (Universitat Autònoma de Barcelona. Departament de Química) ; Cipri, Andrea (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Stradiotto, Nelson Ramos (Universidade Estadual Paulista. Departamento de Química Analítica) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work reports the characterization and application of a voltammetric electronic tongue using an array of glassy carbon electrodes modified with multi-walled carbon nanotubes containing metal (Pd, Au, Cu) and oxy-hydroxide nanoparticles (MetalsOOH of Ni, Co) towards the determination of total sugar content in products related with sugarcane-bioethanol production. [...]
2018 - 10.1002/elan.201700725
Electroanalysis, Vol. 30, issue 8 (Aug. 2018) , p. 1688-1697  
5.
25 p, 1.0 MB Bioelectronic tongue using MIP sensors for the resolution of volatile phenolic compounds / Herrera-Chacon, Anna (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Campos, Inmaculada (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
The proposed approach reports the combined advantages of biosensors made of molecularly imprinted polymers (MIPs) and the modelling capabilities of Artificial Neural Networks (ANN) in a bio-electronic tongue (BioET) analysis system for the very first time. [...]
2018 - 10.1016/j.snb.2017.11.136
Sensors and actuators. B, Chemical, Vol. 258 (April 2018) , p. 665-671  
6.
13 p, 875.0 KB Artificial neural networks for the resolution of dopamine and serotonin complex mixtures using a graphene-modified carbon electrode / Bonet-SanEmeterio, Marta (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work explores an electrode modified with electrochemically reduced graphene oxide (ERGO) for the voltammetric resolution of mixtures of neurotransmitters and its most common interferents. This enhanced sensitivity device coupled with advanced chemometric tools, such as artificial neural networks (ANNs), is able to resolve and quantify complex mixtures with overlapped signals. [...]
2019 - 10.1002/elan.201800525
Electroanalysis, Vol. 31, issue 2 (Feb. 2019) , p. 390-397  
7.
29 p, 1.2 MB Voltammetric electronic tongue based on carbon paste electrodes modified with biochar for phenolic compounds stripping detection / Kalinke, Cristiane (Universidad Federal de Paraná. Departamento de Química) ; de Oliveira, Paulo Roberto (Universidad Federal de Paraná. Departamento de Química) ; Bonet-SanEmeterio, Marta (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química) ; Salvio Mangrich, Antonio (Universidad Federal de Paraná. Departamento de Química) ; Humberto Marcolino, Luiz (Universidad Federal de Paraná. Departamento de Química) ; Bergamini, Márcio F. (Universidad Federal de Paraná. Departamento de Química)
Biochar is a charcoal produced from the biomass pyrolysis process that presents a highly porous and functionalized surface. In the present work an array of carbon paste electrodes (CPE) made of different forms of carbon (graphite, carbon nanotubes and activated biochar) was evaluated in the development of an electronic tongue for discrimination and stripping voltammetric determination of catechol (CAT), 4-ethylcatechol (4-EC) and 4-ethylguaiacol (4-EG) phenolic compounds. [...]
2019 - 10.1002/elan.201900072
Electroanalysis, Vol. 31, issue 11 (Nov. 2019) , p. 2238-2245  
8.
15 p, 3.5 MB Dummy molecularly imprinted polymers using dnp as a template molecule for explosive sensing and nitroaromatic compound discrimination / Herrera-Chacon, Anna (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work reports a rapid, simple and low-cost voltammetric sensor based on a dummy molecularly imprinted polymer (MIP) that uses 2,4-dinitrophenol (DNP) as a template for the quantification of 2,4,6-trinitrotoluene (TNT) and DNP, and the identification of related substances. [...]
2021 - 10.3390/chemosensors9090255
Chemosensors, Vol. 9, Núm. 9 (September 2021) , art. 255  
9.
1 p, 189.4 KB Coupling of sensors and machine learning algorithms in the qualitative analysis of wine / Herrera-Chacon, Anna (Universitat Autònoma de Barcelona. Departament de Química) ; Campos, Inmaculada (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Torres, Mireia (Bodegas Miguel Torres) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work attempts the identification of the production year, the cultivar's region and the aging method used in the elaboration of different Spanish red wines, all from the "tempranillo" grape variety. [...]
2021 - 10.3390/i3s2021dresden-10117
Engineering Proceedings, Vol. 6, issue 1 (2021), issue 50  
10.
8 p, 686.5 KB Analysis of amino acid mixtures by voltammetric electronic tongues and artificial neural networks / Faura, Georgina (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
A new voltammetric electronic tongue formed with graphite-epoxy composite electrodes which were modified with metal-oxide nanoparticles is presented for the quantification of tryptophan, tyrosine and cysteine aminoacid mixtures. [...]
2016 - 10.1002/elan.201600055
Electroanalysis, Vol. 28, issue 8 (Aug. 2016) , p. 1894-1900  

Articles : 21 records found   1 - 10nextend  jump to record:
Research literature 1 records found  
1.
257 p, 13.2 MB Electronic tongues for food and security applications / González-Calabuig, Andreu ; Valle Zafra, Manuel del, dir. ; Universitat Autònoma de Barcelona. Departament de Química
En la present tesi doctoral s'aprofundeix en l'estudi de les llengües electròniques i el seu desenvolupament com a línia d'investigació del grup de Sensors i Biosensors de la Universitat Autònoma de Barcelona. [...]
This thesis memory is focused on the continuation of the electronic tongue line of investigation in the Sensors and Biosensors Group in the Department of Chemistry of Universistat Autònoma de Barcelona. [...]

[Bellaterra] : Universitat Autònoma de Barcelona, 2018.  

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22 Gonzalez-Calabuig, Andreu
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