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Development and analytical characterization of ofloxacin ion-selective electrodes

2010Journal article Open access
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dc.contributor.authorSouto, Renata
dc.contributor.authorPimenta, Adriana
dc.contributor.authorLeal, Fernanda
dc.contributor.authorCatarino, Rita
dc.contributor.authorSantos, Gory
dc.contributor.authorTavares, Tânia
dc.date.accessioned2012-04-26T10:27:34Z
dc.date.available2012-04-26T10:27:34Z
dc.date.issued2010
dc.description.abstractAn ofloxacin-selective electrode based on incorporation of a ofloxacin-tetrakis[3,5- bis(trifluoromethyl)phenyl]borate ion-pair complex in a poly(vinyl chloride) membrane was developed. The sensor displayed a Nernstian response over a wide concentration range (7×10-6–1×10-2 mol L-1) with a slope of 54.9 ± 1.3 mV per decade of concentration, a detection limit of 4×10-6 mol L-1 and adequate selectivity toward some inorganic and organic species. The sensor can be used for a period of more than 8 months without significant change in its characteristics. Desenvolveu-se um eléctrodo selectivo à ofloxacina, baseado no par iónico ofloxacina- -tetrakis[3,5-bis(trifluorometil)fenil]borato incorporado numa membrana de cloreto de polivinilo. O sensor apresenta uma resposta Nernstiana num alargado intervalo de concentrações (7×10-6–1×10-2 mol L-1), com um declive de 54,9±1,3 mV por década de concentração, um limite de detecção de 4×10-6 mol L-1 e adequada selectividade relativamente a algumas espécies orgânicas e inorgânicas. O seu tempo de vida é superior a oito meses, não havendo alteração das suas características durante este período.por
dc.identifier.citationRevista da Faculdade de Ciências da Saúde. Porto: Edições Universidade Fernando Pessoa. ISSN 1646-0480. 7 (2010) 28-41.por
dc.identifier.issn1646-0480
dc.identifier.urihttp://hdl.handle.net/10284/3010
dc.language.isoengpor
dc.publisherEdições Universidade Fernando Pessoapor
dc.relation.ispartofseriesRevista da Faculdade de Ciências da Saúde;7 (2010)
dc.subjectFluoroquinolonespor
dc.subjectOfloxacinpor
dc.subjectIon-selective electrodespor
dc.subjectPotentiometrypor
dc.subjectIon-pair sensorpor
dc.subjectPVC membranepor
dc.subjectFluoroquinolonaspor
dc.subjectOfloxacinapor
dc.subjectEléctrodos selectivos de iãopor
dc.subjectPotenciometriapor
dc.subjectSensor par-iónicopor
dc.subjectMembrana de PVCpor
dc.titleDevelopment and analytical characterization of ofloxacin ion-selective electrodespor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage41por
oaire.citation.startPage28por
person.familyNameSouto
person.familyNamePimenta
person.familyNameLeal
person.familyNameCatarino
person.givenNameRenata
person.givenNameAdriana
person.givenNameFernanda
person.givenNameRita
person.identifier1584168
person.identifier2210421
person.identifier.ciencia-id9814-DF91-15FA
person.identifier.ciencia-id211D-C53A-B059
person.identifier.ciencia-id5916-B87F-2482
person.identifier.ciencia-idB517-2F1F-F2E4
person.identifier.orcid0000-0002-2130-8667
person.identifier.orcid0000-0003-1975-5094
person.identifier.orcid0000-0002-0118-9007
person.identifier.orcid0000-0001-9010-2921
person.identifier.ridM-7017-2013
person.identifier.ridD-6248-2013
person.identifier.ridD-6597-2013
person.identifier.scopus-author-id7005270435
person.identifier.scopus-author-id36841737900
person.identifier.scopus-author-id6603283442
rcaap.rightsopenAccesspor
rcaap.typearticlepor
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FCS - Número 07 (2010)