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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/117480
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dc.contributor.authorFerrari, Priscileila Colerato-
dc.contributor.authorBorella dos Santos Grossklauss, Dany Bruno-
dc.contributor.authorAlvarez, Matheus-
dc.contributor.authorPaixao, Fabiano Carlos-
dc.contributor.authorAndreis, Uilian-
dc.contributor.authorCrispim, Alexandre Giordano-
dc.contributor.authorCastro, Ana Doris de-
dc.contributor.authorEvangelista, Raul Cesar-
dc.contributor.authorArruda Miranda, Jose Ricardo de-
dc.date.accessioned2015-03-18T15:56:19Z-
dc.date.accessioned2016-10-25T20:35:27Z-
dc.date.available2015-03-18T15:56:19Z-
dc.date.available2016-10-25T20:35:27Z-
dc.date.issued2014-08-01-
dc.identifierhttp://dx.doi.org/10.3109/03639045.2013.809537-
dc.identifier.citationDrug Development And Industrial Pharmacy. London: Informa Healthcare, v. 40, n. 8, p. 1123-1131, 2014.-
dc.identifier.issn0363-9045-
dc.identifier.urihttp://hdl.handle.net/11449/117480-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/117480-
dc.description.abstractContext: Alternating Current Biosusceptometry is a magnetically method used to characterize drug delivery systems. This work presents a system composed by an automated ACB sensor to acquire magnetic images of floating tablets.Objective: The purpose of this study was to use an automated Alternating Current Biosusceptometry (ACB) to characterize magnetic floating tablets for controlled drug delivery.Materials and methods: Floating tablets were prepared with hydroxypropyl methylcellulose (HPMC) as hydrophilic gel material, sodium bicarbonate as gas-generating agent and ferrite as magnetic marker. ACB was used to characterize the floating lag time and the tablet hydration rate, by quantification of the magnetic images to magnetic area. Besides the buoyancy, the floating tablets were evaluated for weight uniformity, hardness, swelling and in vitro drug release.Results: The optimized tablets were prepared with equal amounts of HPMC and ferrite, and began to float within 4 min, maintaining the flotation during more than 24 h. The data of all physical parameters lied within the pharmacopeial limits. Drug release at 24 h was about 40%.Conclusions: The ACB results showed that this study provided a new approach for in vitro investigation of controlled-release dosage forms. Moreover, using automated ACB will also be possible to test these parameters in humans allowing to establish an in vitro/in vivo correlation (IVIVC).en
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
dc.format.extent1123-1131-
dc.language.isoeng-
dc.publisherInforma Healthcare-
dc.sourceWeb of Science-
dc.subjectBiosusceptometryen
dc.subjectcontrolled drug releaseen
dc.subjectfloating tabletsen
dc.subjectmagnetic markeren
dc.subjectswellingen
dc.titleA novel automated alternating current biosusceptometry method to characterization of controlled-release magnetic floating tablets of metronidazoleen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationSao Paulo State Univ UNESP, Biosci Inst, Dept Phys & Biophys, Botucatu, SP, Brazil-
dc.description.affiliationSao Paulo State Univ UNESP, Sch Pharmaceut Sci, Dept Drugs & Pharmaceut, Araraquara, SP, Brazil-
dc.description.affiliationUnespSao Paulo State Univ UNESP, Biosci Inst, Dept Phys & Biophys, Botucatu, SP, Brazil-
dc.description.affiliationUnespSao Paulo State Univ UNESP, Sch Pharmaceut Sci, Dept Drugs & Pharmaceut, Araraquara, SP, Brazil-
dc.identifier.doi10.3109/03639045.2013.809537-
dc.identifier.wosWOS:000340455600016-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofDrug Development And Industrial Pharmacy-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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