{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,8]],"date-time":"2026-06-08T20:24:17Z","timestamp":1780950257286,"version":"3.54.1"},"reference-count":35,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2016,10,27]],"date-time":"2016-10-27T00:00:00Z","timestamp":1477526400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003329","name":"Ministerio de Econom\u00eda y Competitividad","doi-asserted-by":"publisher","award":["TEC2011-29045-C04-01"],"award-info":[{"award-number":["TEC2011-29045-C04-01"]}],"id":[{"id":"10.13039\/501100003329","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003329","name":"Ministerio de Econom\u00eda y Competitividad","doi-asserted-by":"publisher","award":["TEC2014-54449-C3-1-R"],"award-info":[{"award-number":["TEC2014-54449-C3-1-R"]}],"id":[{"id":"10.13039\/501100003329","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Cava is a quality sparkling wine produced in Spain. As a product with a designation of origin, Cava wine has to meet certain quality requirements throughout its production process; therefore, the analysis of several parameters is of great interest. In this work, a portable electronic tongue for the analysis of Cava wine is described. The system is comprised of compact and low-power-consumption electronic equipment and an array of microsensors formed by six ion-selective field effect transistors sensitive to pH, Na+, K+, Ca2+, Cl\u2212, and CO32\u2212, one conductivity sensor, one redox potential sensor, and two amperometric gold microelectrodes. This system, combined with chemometric tools, has been applied to the analysis of 78 Cava wine samples. Results demonstrate that the electronic tongue is able to classify the samples according to the aging time, with a percentage of correct prediction between 80% and 96%, by using linear discriminant analysis, as well as to quantify the total acidity, pH, volumetric alcoholic degree, potassium, conductivity, glycerol, and methanol parameters, with mean relative errors between 2.3% and 6.0%, by using partial least squares regressions.<\/jats:p>","DOI":"10.3390\/s16111796","type":"journal-article","created":{"date-parts":[[2016,10,27]],"date-time":"2016-10-27T10:17:52Z","timestamp":1477563472000},"page":"1796","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Portable Electronic Tongue Based on Microsensors for the Analysis of Cava Wines"],"prefix":"10.3390","volume":"16","author":[{"given":"Pablo","family":"Gim\u00e9nez-G\u00f3mez","sequence":"first","affiliation":[{"name":"Instituto de Microelectr\u00f3nica de Barcelona (IMB-CNM), CSIC Campus UAB, 08193 Cerdanyola del Vall\u00e8s, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0780-8104","authenticated-orcid":false,"given":"Roger","family":"Escud\u00e9-Pujol","sequence":"additional","affiliation":[{"name":"Instituto de Microelectr\u00f3nica de Barcelona (IMB-CNM), CSIC Campus UAB, 08193 Cerdanyola del Vall\u00e8s, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fina","family":"Capdevila","sequence":"additional","affiliation":[{"name":"Institut Catal\u00e0 de la Vinya i el Vi (IRTA-INCAVI), Pla\u00e7a \u00c0gora 2, 08720 Vilafranca del Pened\u00e8s, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5041-6432","authenticated-orcid":false,"given":"Anna","family":"Puig-Pujol","sequence":"additional","affiliation":[{"name":"Institut Catal\u00e0 de la Vinya i el Vi (IRTA-INCAVI), Pla\u00e7a \u00c0gora 2, 08720 Vilafranca del Pened\u00e8s, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cecilia","family":"Jim\u00e9nez-Jorquera","sequence":"additional","affiliation":[{"name":"Instituto de Microelectr\u00f3nica de Barcelona (IMB-CNM), CSIC Campus UAB, 08193 Cerdanyola del Vall\u00e8s, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7347-1765","authenticated-orcid":false,"given":"Manuel","family":"Guti\u00e9rrez-Capit\u00e1n","sequence":"additional","affiliation":[{"name":"Instituto de Microelectr\u00f3nica de Barcelona (IMB-CNM), CSIC Campus UAB, 08193 Cerdanyola del Vall\u00e8s, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2016,10,27]]},"reference":[{"key":"ref_1","first-page":"199","article-title":"Odour Impact Assessment by a Multiparametric System (Electronic Noses\/CH4-NMHC Analyser)","volume":"Volume 30","author":"DelRosso","year":"2012","journal-title":"Nose 2012: 3rd International Conference on Environmental Odour Monitoring and Control"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"4840","DOI":"10.3390\/s110504840","article-title":"Application of an E-Tongue to the Analysis of Monovarietal and Blends of White Wines","volume":"11","author":"Gutierrez","year":"2011","journal-title":"Sensors"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"947","DOI":"10.37358\/RC.08.9.1944","article-title":"Multisensor for Clinical Analysis with Impact on Public Health Evaluation","volume":"59","author":"Totu","year":"2008","journal-title":"Rev. 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