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A layer-by-layer film of chitosan in a taste sensor application

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dc.contributor.authordos Santos, D. S.
dc.contributor.authorRiul, A.
dc.contributor.authorMalmegrim, R. R.
dc.contributor.authorFonseca, F. J.
dc.contributor.authorOliveira, O. N.
dc.contributor.authorMattoso, LHC
dc.contributor.institutionEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:22:56Z
dc.date.available2014-05-20T13:22:56Z
dc.date.issued2003-10-15
dc.description.abstractChitosan is alternated with sulfonated polystyrene (PSS) to build layer-by-layer (LBL) films that are used as sensing units in an electronic tongue. Using impedance spectroscopy as the principle method of detection, an array using chitosan/PSS LBL film and a bare gold electrode as the sensing units was capable of distinguishing the basic tastes - salty, sweet, bitter, and sour - to a concentration below the human threshold. The suitability of chitosan as a sensing material was confirmed by using this sensor to distinguish red wines according to their vintage, vineyard, and brands.en
dc.description.affiliationEMBRAPA Instrumentacao Agropecuaria, BR-13560970 Sao Carlos, SP, Brazil
dc.description.affiliationUSP, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP, Brazil
dc.description.affiliationUNESP, FCT, Dept Fis Quim & Biol, BR-19060900 Presidente Prudente, SP, Brazil
dc.description.affiliationEPUSP, Dept Engn Sistemas Eletron, Lab Microeletron, BR-05508900 São Paulo, Brazil
dc.description.affiliationUnespUNESP, FCT, Dept Fis Quim & Biol, BR-19060900 Presidente Prudente, SP, Brazil
dc.format.extent591-595
dc.identifierhttp://dx.doi.org/10.1002/mabi.200350027
dc.identifier.citationMacromolecular Bioscience. Weinheim: Wiley-v C H Verlag Gmbh, v. 3, n. 10, p. 591-595, 2003.
dc.identifier.doi10.1002/mabi.200350027
dc.identifier.issn1616-5187
dc.identifier.urihttp://hdl.handle.net/11449/6818
dc.identifier.wosWOS:000186165700015
dc.language.isoeng
dc.publisherWiley-Blackwell
dc.relation.ispartofMacromolecular Bioscience
dc.relation.ispartofjcr3.392
dc.relation.ispartofsjr1,017
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectbiomaterialspt
dc.subjectdielectric propertiespt
dc.subjectnanolayerspt
dc.subjectpolysaccharidespt
dc.subjectsensorspt
dc.titleA layer-by-layer film of chitosan in a taste sensor applicationen
dc.typeArtigo
dcterms.licensehttp://olabout.wiley.com/WileyCDA/Section/id-406071.html
dcterms.rightsHolderWiley-Blackwell
dspace.entity.typePublication
unesp.author.orcid0000-0002-9760-1851[2]
unesp.author.orcid0000-0002-5399-5860[5]
unesp.author.orcid0000-0001-7586-1014[6]
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Ciências e Tecnologia, Presidente Prudentept
unesp.departmentFísica, Química e Biologia - FCTpt

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Presidente Prudente - FCT - Faculdade de Ciências e Tecnologia