Publication
Insight into the sensing mechanism of an impedance based electronic tongue for honey botanic origin discrimination
| dc.contributor.author | Elamine, Youssef | |
| dc.contributor.author | Inácio, Pedro M.C. | |
| dc.contributor.author | Lyoussi, Badiâa | |
| dc.contributor.author | Anjos, Ofélia | |
| dc.contributor.author | Estevinho, Leticia M. | |
| dc.contributor.author | Miguel, Maria da Graça | |
| dc.contributor.author | Gomes, Henrique L. | |
| dc.date.accessioned | 2018-02-19T10:00:00Z | |
| dc.date.accessioned | 2019-02-04T17:02:32Z | |
| dc.date.available | 2018-01-19T10:00:00Z | |
| dc.date.available | 2019-02-04T17:02:32Z | |
| dc.date.issued | 2019 | |
| dc.description.abstract | Animpedance based electronictongue was developed and used to discriminate honey of different botanic origin. The e-tongue presented here is based on the small-signal frequency response of the electrical double-layer established between the honey solution and an array of four different sensing units composed by gold, carbon, indium-tin-oxide, and doped silicon. The ability of the e-tongue to discriminate honey of different floral origins was demonstrated by distinguishing honey from Bupleurum and Lavandula pollen prevalence. The honey fingerprint obtained with the e-tongue was validated by parallel melissopalenogical analysis and physico-chemical methods. It is demonstrated that the e-tongue is very sensitive to changes on the honey electrical conductivity. Small differences in electrical conductivity are introduced by the presence of ionisable organic acids and mineral salts. Moreover, we propose that the sensitivity of the tongue to changes in electrical conductivity can be explored to probe other complex liquid substances. | en_EN |
| dc.description.sponsorship | We gratefully acknowledge financial support from the Portuguese Foundation for Science and Technology (FCT), the Instituto de Telecomunicações (UID/Multi/04326/2013), the Centro para os recursos biologicos e alimentos mediterranicos (UID/BIA/04325/2013) and the Centro de Estudos Florestais (UID/AGR/00239/2013). | |
| dc.description.version | info:eu-repo/semantics/publishedVersion | en_EN |
| dc.identifier.citation | Elamine, Youssef; Inácio, Pedro M.C.; Lyoussi, Badiâa; Anjos, Ofélia; Estevinho, Leticia M.; Miguel, Maria da Graça; Gomes, Henrique L. (2019). Insight into the sensing mechanism of an impedance based electronic tongue for honey botanic origin discrimination. Sensors and Actuators, B: Chemical. ISSN 0925-4005. 285, p. 24-33 | en_EN |
| dc.identifier.doi | 10.1016/j.snb.2019.01.023 | en_EN |
| dc.identifier.issn | 0925-4005 | |
| dc.identifier.uri | http://hdl.handle.net/10198/18673 | |
| dc.language.iso | eng | |
| dc.peerreviewed | yes | en_EN |
| dc.subject | Electrical-double-layer | en_EN |
| dc.subject | Electronic tongue | en_EN |
| dc.subject | Honey | en_EN |
| dc.subject | Small signal impedance | en_EN |
| dc.title | Insight into the sensing mechanism of an impedance based electronic tongue for honey botanic origin discrimination | en_EN |
| dc.type | journal article | |
| dspace.entity.type | Publication | |
| oaire.awardURI | info:eu-repo/grantAgreement/FCT/5876/UID%2FBIA%2F04325%2F2013/PT | |
| oaire.awardURI | info:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F04326%2F2013/PT | |
| oaire.awardURI | info:eu-repo/grantAgreement/FCT/5876/UID%2FAGR%2F00239%2F2013/PT | |
| oaire.fundingStream | 5876 | |
| oaire.fundingStream | 5876 | |
| oaire.fundingStream | 5876 | |
| person.familyName | Estevinho | |
| person.givenName | Letícia M. | |
| person.identifier.ciencia-id | BA14-09D6-A406 | |
| person.identifier.orcid | 0000-0002-9249-1948 | |
| person.identifier.scopus-author-id | 6506577664 | |
| project.funder.identifier | http://doi.org/10.13039/501100001871 | |
| project.funder.identifier | http://doi.org/10.13039/501100001871 | |
| project.funder.identifier | http://doi.org/10.13039/501100001871 | |
| project.funder.name | Fundação para a Ciência e a Tecnologia | |
| project.funder.name | Fundação para a Ciência e a Tecnologia | |
| project.funder.name | Fundação para a Ciência e a Tecnologia | |
| rcaap.rights | openAccess | en_EN |
| rcaap.type | article | en_EN |
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