Swelling activation energy of kappa-carrageenan in its gel state: A fluorescence study

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dc.authorid0000-0001-7127-5915
dc.authorid0000-0002-0082-8209
dc.contributor.authorTarı İlgin, Özlemen_US
dc.contributor.authorPekcan, Mehmet Önderen_US
dc.date.accessioned2015-01-15T23:00:47Z
dc.date.available2015-01-15T23:00:47Z
dc.date.issued2007-12-15
dc.departmentIşık Üniversitesi, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.departmentIşık University, Faculty of Arts and Sciences, Department of Physicsen_US
dc.description.abstractA steady-state fluorescence technique was employed to study the swelling Of K-carrageenan gels at various temperatures. Pyranine was used as a fluorescence probe. The fluorescence intensity of pyranine was measured during the in situ swelling process of K-carrageenan gels. The fluorescence intensity increased exponentially as the swelling time increased. The increase in the fluorescence intensity was modeled with the Li-Tanaka equation, from which the swelling time constants and cooperative diffusion coefficients were determined. The swelling time constants decreased and the cooperative diffusion coefficients increased as the swelling temperature was increased. The swelling activation energies were measured to be 47.05 kJ/mol.en_US
dc.description.versionPublisher's Versionen_US
dc.identifier.citationTarı İlgin, Ö., & Pekcan, M. Ö. (2007). Swelling activation energy of kappa-carrageenan in its gel state: A fluorescence study. Journal of Applied Polymer Science, 106(6), 4164-4168. doi:10.1002/app.26980en_US
dc.identifier.doi10.1002/app.26980
dc.identifier.endpage4168
dc.identifier.issn0021-8995
dc.identifier.issn1097-4628
dc.identifier.issue6
dc.identifier.scopus2-s2.0-36348938624
dc.identifier.scopusqualityQ2
dc.identifier.startpage4164
dc.identifier.urihttps://hdl.handle.net/11729/238
dc.identifier.urihttp://dx.doi.org/10.1002/app.26980
dc.identifier.volume106
dc.identifier.wosWOS:000250607200079
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakScience Citation Index Expanded (SCI-EXPANDED)en_US
dc.institutionauthorPekcan, Mehmet Önderen_US
dc.institutionauthorid0000-0002-0082-8209
dc.language.isoenen_US
dc.peerreviewedYesen_US
dc.publicationstatusPublisheden_US
dc.publisherJohn Wiley & Sons Incen_US
dc.relation.ispartofJournal of Applied Polymer Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectActivation energyen_US
dc.subjectFluorescenceen_US
dc.subjectSwellingen_US
dc.subjectFast transient fluorescenceen_US
dc.subjectKineticsen_US
dc.subjectShrinkingen_US
dc.subjectDiffusionen_US
dc.subjectGelen_US
dc.subjectTemperature effecten_US
dc.subjectCooperative diffusionen_US
dc.subjectK-carrageenan gelsen_US
dc.subjectLi-Tanaka equationen_US
dc.subjectPyranineen_US
dc.titleSwelling activation energy of kappa-carrageenan in its gel state: A fluorescence studyen_US
dc.typeArticleen_US
dspace.entity.typePublication

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