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Artículos Encontrados 30 registros  anterior11 - 20siguiente  ir al registro: La búsqueda tardó 0.00 segundos. 
11.
8 p, 4.2 MB A Sensor Array Based on Molecularly Imprinted Polymers and Machine Learning for the Analysis of Fluoroquinolone Antibiotics / Wang, Mingyue (Universitat Autònoma de Barcelona. Departament de Química) ; Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
Fluoroquinolones (FQs) are one of the most important types of antibiotics in the clinical, poultry, and aquaculture industries, and their monitoring is required as the abuse has led to severe issues, such as antibiotic residues and antimicrobial resistance. [...]
2022 - 10.1021/acssensors.2c01260
ACS Sensors, Vol. 7, Issue 11 (October 2022) , p. 3318-3325  
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12.
22 p, 3.2 MB Electronic tongue applications for wastewater and soil analysis / Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
Assessment of water and soil quality is critical for the health, economy, and sustainability of any community. The release of a range of life-threatening pollutants from agriculture, industries, and the residential communities themselves into the different water resources and soil requires of analytical methods intended for their detection. [...]
2022 - 10.1016/j.isci.2022.104304
iScience, Vol. 25 (April 2022) , art. 104304  
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13.
21 p, 813.9 KB Electronic tongue for nitro and peroxide explosive sensing / González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work reports the application of a voltammetric electronic tongue (ET) towards the simultaneous determination of both nitro-containing and peroxide-based explosive compounds, two families that represent the vast majority of compounds employed either in commercial mixtures or in improvised explosive devices. [...]
2016 - 10.1016/j.talanta.2016.03.009
Talanta, Vol. 153 (June 2016) , p. 340-346  
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14.
10 p, 3.5 MB Resolution of opiate illicit drugs signals in the presence of some cutting agents with use of a voltammetric sensor array and machine learning strategies / Ortiz, Dionisia (Universitat Autònoma de Barcelona. Departament de Química) ; Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; De Wael, Karolien (University of Antwerp. Department of Bioscience Engineering) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
In the present work, the resolution and quantification of mixtures of different opiates compounds in the presence of common cutting agents using an electronic tongue (ET) is evaluated. More specifically, ternary mixtures of heroin, morphine and codeine were resolved in the presence of caffeine and paracetamol. [...]
2021 - 10.1016/j.snb.2021.131345
Sensors and actuators. B, Chemical, Vol. 357 (April 2022) , art. 131345  
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15.
9 p, 6.6 MB A novel electronic tongue using electropolymerized molecularly imprinted polymers for the simultaneous determination of active pharmaceutical ingredients / Wang, Mingyue (Universitat Autònoma de Barcelona. Departament de Química) ; Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
The combination of chemometrics and electrochemical sensors modified with molecularly imprinted polymers (MIPs) towards the development of MIP-based electronic tongues (ETs) was explored herein. To demonstrate the potential of such an approach, the simultaneous determination of paracetamol, ascorbic acid and uric acid mixtures in pharmaceutical samples was evaluated. [...]
2022 - 10.1016/j.bios.2021.113807
Biosensors & bioelectronics, Vol. 198 (February 2022) , art. 113807  
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16.
15 p, 7.0 MB Optimization of Sensors to be Used in a Voltammetric Electronic Tongue Based on Clustering Metrics / Sarma, Munmi (Universitat Autònoma de Barcelona. Departament de Química) ; Romero, Noelia (Universitat Autònoma de Barcelona. Departament de Química) ; Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
Herein we investigate the usage of principal component analysis (PCA) and canonical variate analysis (CVA), in combination with the F factor clustering metric, for the a priori tailored selection of the optimal sensor array for a given electronic tongue (ET) application. [...]
2020 - 10.3390/s20174798
Sensors (Basel, Switzerland), Vol. 20, Issue 17 (September 2020) , art. 4798  
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17.
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 (Basel, Switzerland), Vol. 18, Issue 1 (January 2018) , art. 216  
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18.
24 p, 510.7 KB Beer classification by means of a potentiometric electronic tongue / Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; Gutiérrez-Capitán, Manuel (Universitat Autònoma de Barcelona. Departament de Química) ; Calvo Boluda, Daniel (Universitat Autònoma de Barcelona. Departament de Química) ; 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  
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19.
29 p, 751.9 KB Application of an electronic tongue towards the analysis of brandies / Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; 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  
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20.
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 Sancho, Aitor (Universitat Autònoma de Barcelona. Departament de Química) ; Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; 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  
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