Resultados globales: 13 registros encontrados en 0.05 segundos.
Artículos, Encontrados 12 registros
Documentos de investigación, Encontrados 1 registros
Artículos Encontrados 12 registros  1 - 10siguiente  ir al registro:
1.
11 p, 2.1 MB A voltammetric electronic tongue for the resolution of ternary nitrophenol mixtures / González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Cetó Alsedà, Xavier (University of South Australia) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work reports the applicability of a voltammetric sensor array able to quantify the content of 2,4-dinitrophenol, 4-nitrophenol, and picric acid in artificial samples using the electronic tongue (ET) principles. [...]
2018 - 10.3390/s18010216
Sensors, Vol. 18, Issue 1 (January 2018) , art. 216  
2.
24 p, 510.7 KB Beer classification by means of a potentiometric electronic tongue / Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors) ; Gutiérrez Capitán, Manuel (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors) ; Calvo Boluda, Daniel (Universitat Autònoma de Barcelona. Grup Sensors i Biosensors) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
In this work, an Electronic Tongue (ET) system based on an array of potentiometric ion-selective electrodes (ISEs) is presented for the discrimination of different commercial beer types is presented. [...]
2013 - 10.1016/j.foodchem.2013.05.091
Food chemistry, Vol. 141, Issue 3 (2013) , p. 2533-2540  
3.
29 p, 751.9 KB Application of an electronic tongue towards the analysis of brandies / Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work reports the application of a voltammetric Electronic Tongue (ET) in the analysis of brandies, specifically in its classification according to the scores given by a skilled sensory panel and in the discrimination of different ageing methods. [...]
2013 - 10.1039/c2ay26066b
Analytical methods, Vol. 5, Issue 5 (March 2013) , p. 1120-1129  
4.
28 p, 458.7 KB Hybrid Electronic Tongue based on Multisensor Data Fusion for Discrimination of Beers / Gutiérrez, Juan Manuel (CINVESTAV. Mexico.) ; Haddi, Zouhair (Moulay Ismaïl University) ; Amari, Aziz (Moulay Ismaïl University) ; Bouchikhi, Benachir (Moulay Ismaïl University) ; Mimendia, Aitor (Universitat Autònoma de Barcelona. Grup Sensors i Biosensors) ; Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This paper reports the use of a hybrid Electronic Tongue based on data fusion of two different sensor families, applied in the recognition of beer types. Six modifiedgraphite- epoxy voltammetric sensors plus 15 potentiometric sensors formed the sensor array. [...]
2013 - 10.1016/j.snb.2012.11.110
Sensors and actuators B: Chemical, Vol. 177 (February 2013) , p. 989-996  
5.
19 p, 1.1 MB Rapid field identification of subjects involved in firearm-related crimes based on electroanalysis coupled with advanced chemometric data treatment / Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors) ; O'Mahony, Aoife M. (University of California. Department of Nanoengineering) ; Samek, Izabela A. (University of California. Department of Nanoengineering) ; Windmiller, Joshua R. (University of California. Department of Nanoengineering) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química) ; Wang, Joseph (University of California. Department of Nanoengineering)
We demonstrate a novel system for the detection and discrimination of varying levels of exposure to gunshot residue from subjects in various control scenarios. Our aim is to address the key challenge of minimizing the false positive identification of individuals suspected of discharging a firearm. [...]
2012 - 10.1021/ac302361z
Analytical chemistry, Vol. 84, Issue 23 (Dec 2012) , p. 10306-10314  
6.
28 p, 2.1 MB Determination of total polyphenol index in wines employing a voltammetric electronic tongue / Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors) ; Gutiérrez, Juan Manuel (Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional. Department of Electrical Engineering) ; Gutiérrez, Manuel (Institut de Microelectrònica de Barcelona) ; Céspedes Mulero, Francisco (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors) ; Capdevila, Josefina (Institut Català de la Vinya i el Vi. Estació de Viticultura i Enologia) ; Minguez, Santiago (Institut Català de la Vinya i el Vi. Estació de Viticultura i Enologia) ; Jiménez Jorquera, Cecília (Institut de Microelectrònica de Barcelona) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work reports the application of a voltammetric electronic tongue system (ET) made from an array of modified graphite-epoxy composites plus a gold microelectrode in the qualitative and quantitative analysis of polyphenols found in wine. [...]
2012 - 10.1016/j.aca.2012.02.026
Analytica chimica acta, Vol. 732 (Jun 2012) , p. 172-179  
7.
20 p, 1.2 MB Quantitative analysis of active pharmaceutical ingredients (APIs) using a potentiometric electronic tongue in a SIA flow system / Wesoly, Malgorzata (Warsaw University of Technology. Department of Microbioanalytics) ; Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química) ; Ciosek, Patrycja (Warsaw University of Technology. Department of Microbioanalytics) ; Wróblewski, Wojciech (Warsaw University of Technology. Department of Microbioanalytics)
An advanced potentiometric electronic tongue and Sequential Injection Analysis (SIA) measurement system was applied for the quantitative analysis of mixtures containing three active pharmaceutical ingredients (APIs): acetaminophen, ascorbic acid and acetylsalicylic acid, in the presence of various amounts of caffeine as interferent. [...]
2016 - 10.1002/elan.201500407
Electroanalysis, Vol. 28, Issue 3 (March 2016) , p. 626–632  
8.
8 p, 1.0 MB A tool for general quality assessment of black tea : retail price prediction by an electronic tongue / Khaydukova, Maria (Sankt-Peterburgskiĭ gosudarstvennyĭ universitet. Institut khimii) ; Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors) ; Kirsanov, Dmitry (Sankt-Peterburgskiĭ gosudarstvennyĭ universitet. Institut khimii) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors) ; Legin, Andrey (Sankt-Peterburgskiĭ gosudarstvennyĭ universitet. Institut khimii)
Retail price of food products is a complex interplay between multiple factors. Overall product quality has got one of the most serious impacts on the price in many situations. In the present study, an artificial sensory system (potentiometric electronic tongue) was employed for the analysis of black tea samples purchased in the retail stores in Spain and Russia. [...]
2015 - 10.1007/s12161-014-9979-3
Food analytical methods, Vol. 8, Issue 5 (May 2015) , p. 1088-1092  
9.
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. Grup de Sensors i Biosensors) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors)
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  
10.
26 p, 399.4 KB Instrumental measurement of wine sensory descriptors using a voltammetric electronic tongue / Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Grup de Sensors i Biosensors) ; 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. Grup de Sensors i Biosensors)
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  

Artículos : Encontrados 12 registros   1 - 10siguiente  ir al registro:
Documentos de investigación Encontrados 1 registros  
1.
380 p, 7.9 MB Llengües (bio)electròniques aplicades a l'anàlisi i caracterització de begudes / Cetó Alsedà, Xavier ; Valle Zafra, Manuel del, dir. (Universitat Autònoma de Barcelona. Departament de Química) ; Céspedes Mulero, Francisco, dir. (Universitat Autònoma de Barcelona. Departament de Química) ; Universitat Autònoma de Barcelona. Departament de Química
En els darrers anys, s'ha observat una creixent demanda de nous mètodes analítics capaços d'oferir el màxim de informació analítica amb el mínim "esforç" possible, els quals són necessaris per tal d'assolir els nous reptes en camps tals com el monitoratge ambiental, la seguretat alimentària i la salut pública. [...]
Over the last years, there has been an increasing demand of new analytical methods with the high sensitivity and selectivity, and fast response needed to meet new challenges in environmental monitoring, food safety and public health. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2014  

¿Le interesa recibir alertas sobre nuevos resultados de esta búsqueda?
Defina una alerta personal vía correo electrónico o subscríbase al canal RSS.