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Artículos Encontrados 16 registros  anterior11 - 16  ir al registro: La búsqueda tardó 0.01 segundos. 
11.
28 p, 536.3 KB Crown ether-modified electrodes for the simultaneous stripping voltammetric determination of Cd(II), Pb(II) and Cu(II) / Serrano i Plana, Núria (Universitat de Barcelona. Departament de Química Analítica) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work describes the immobilization of 4-carboxybenzo-18-crown-6 (CB-18-crown-6) and 4-carboxybenzo-15-crown-5 (CB-15-crown-5) assisted by lysine on aryl diazonium salt monolayers anchored to the surface of graphite-epoxy composite electrodes (GEC), and their use for the simultaneous determination of Cd(II), Pb(II) and Cu(II) by differential pulse anodic stripping voltammetry (DPASV). [...]
2015 - 10.1016/j.talanta.2015.01.044
Talanta, Vol. 138 (June 2015) , p. 130-137  
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12.
10 p, 2.1 MB Use of a bioelectronic tongue for the monitoring of the photodegradation of phenolic compounds / Cetó Alsedà, Xavier (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)
The application of a voltammetric bioelectronic tongue for the simultaneous monitoring of catechol, m-cresol and guaiacol in wastewater is reported. Voltammetric responses obtained from an array of bulk modified (bio)sensors, containing enzymes such as tyrosinase and laccase, were combined with chemometric tools such as artificial neural networks (ANNs) for building the quantitative prediction model. [...]
2015 - 10.1002/elan.201400394
Electroanalysis, Vol. 27 Issue 1 (Jan. 2015) , p. 225-233  
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13.
26 p, 399.4 KB Instrumental measurement of wine sensory descriptors using a voltammetric electronic tongue / Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Puig Pujol, Anna (Institut Català de la Vinya i el Vi) ; Capdevila Mestres, Josefa (Institut Català de la Vinya i el Vi) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
The approach presented herein reports the application of a voltammetric electronic tongue (ET), in contrast with a wine tasting sensory panel, as a tool for standardized wine tasting; concretely, to achieve the discrimination of different wine DOs (Denominación de Origen, a mark related to its geographical region and ensuring high-quality levels) and the prediction of the global score assigned by the trained sensory panel. [...]
2015 - 10.1016/j.snb.2014.09.081
Sensors and actuators. B, Chemical, Vol. 207, Part B (Feb. 2015) , p. 1053-1059  
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14.
8 p, 1.2 MB Cava wine authentication employing a voltammetric electronic tongue / Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; Puig Pujol, Anna (Institut Català de la Vinya i el Vi) ; Capdevila Mestres, Josefa (Institut Català de la Vinya i el Vi) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
The application of an Electronic Tongue for the classification of cava samples based on their different ageing times is reported. As such, voltammetric responses were obtained from an array of six bulk-modified graphite-epoxy electrodes, which exhibited marked mix-responses towards the different samples. [...]
2014 - 10.1002/elan.201400057
Electroanalysis, Vol. 26 Issue 7 (July 2014) , p. 1504-1512  
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15.
28 p, 1.3 MB Resolution of galactose, glucose, xylose and mannose in sugarcane bagasse employing a voltammetric electronic tongue formed by metals oxy-hydroxide/MWCNT modified electrodes / Cardoso de Sá, Acelino (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Cipri, Andrea (Universitat Autònoma de Barcelona. Departament de Química) ; Ramos Stradiotto, Nelson (Universidade Estadual Paulista. Institute of Chemistry) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
Second generation ethanol is produced from the carbohydrates released from the cell wall of bagasse and straw of sugarcane. The objective of this work is the characterization and application of a voltammetric electronic tongue using an array of glassy carbon electrodes modified with multi-walled carbon nanotubes containing metal (Paladium, Gold, Copper, Nickel and Cobalt) oxy-hydroxide nanoparticles (GCE/MWCNT/MetalsOOH) towards a simpler analysis of carbohydrates (glucose, xylose, galactose and mannose). [...]
2016 - 10.1016/j.snb.2015.08.088
Sensors and actuators. B, Chemical, Vol. 222 (January 2016) , p. 645-653  
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16.
13 p, 918.0 KB Novel CBIR System Based on Ripplet Transform Using Interactive Neuro-Fuzzy Technique / Chowdhury, Manish (Indian Statistical Institute. Machine Intelligence Unit) ; Das, Sudeb (Indian Statistical Institute. Machine Intelligence Unit) ; Kumar Kundu, Malay (Indian Statistical Institute. Machine Intelligence Unit)
Content Based Image Retrieval (CBIR) system is an emerging research area in effective digital data management and retrieval paradigm. In this article, a novel CBIR system based on a new Multiscale Geometric Analysis (MGA)-tool, called Ripplet Transform Type-I (RT) is presented. [...]
2012 - 10.5565/rev/elcvia.445
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, Vol. 11, Núm. 1 (2012) , p. 1-13  
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