Modelling of Swelling by the Fluorescence Technique in Kappa Carrageenan Gels

dc.contributor.authorTari, Özlem
dc.contributor.authorPekcan, Önder
dc.date.accessioned2019-06-27T08:04:54Z
dc.date.available2019-06-27T08:04:54Z
dc.date.issued2011
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Biyoinformatik ve Genetik Bölümüen_US
dc.description.abstractKappa (-kappa) carrageenan gels prepared with various carrageenan concentrations in pure water were completely dried and then swelled in water vapor. Steady state fluorescence measurements were performed using a spectrometer equipped with temperature controller. Pyranine was embedded in kappa-carrageenan gels as a fluorescence probe during gel preparation. The fluorescence intensity I increased exponentially as swelling time is increased for all gel samples. The increase in I was modelled using Li-Tanaka equation from which swelling time constants tau(c) and cooperative diffusion coefficients D-c were determined. It was observed that D-c increased as the swelling temperature was increased. On the other hand at each temperature it was seen that D-c decreased as kappa carrageenan concentration was increased. Activation energies for swelling were obtained and found to be 57.4 58.3 and 62.73kJ mol(-1) for the gels with increasing amount of kappa-carrageenan content.en_US]
dc.identifier.citation4
dc.identifier.doi10.1063/1.3663165en_US
dc.identifier.endpage475
dc.identifier.isbn978-0-7354-0971-2
dc.identifier.issn0094-243Xen_US
dc.identifier.issn0094-243X
dc.identifier.scopus2-s2.0-84855425893en_US
dc.identifier.scopusqualityN/A
dc.identifier.startpage470en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12469/1004
dc.identifier.volume1400en_US
dc.identifier.wosWOS:000301042000090en_US
dc.identifier.wosqualityN/A
dc.institutionauthorPekcan, Önderen_US
dc.language.isoenen_US
dc.publisherAmer Inst Physicsen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSwellingen_US
dc.subjectFluorescenceen_US
dc.subjectCarrageenanen_US
dc.titleModelling of Swelling by the Fluorescence Technique in Kappa Carrageenan Gelsen_US
dc.typeConference Objecten_US
dspace.entity.typePublication

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