Study of Thermal Phase Transitions in Iota Carrageenan Gels via Fluorescence Technique

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dc.authoridPEKCAN, Onder/0000-0002-0082-8209
dc.authorwosidTari, Ozlem/AAT-4679-2021
dc.authorwosidPEKCAN, Onder/Y-3158-2018
dc.contributor.authorTari, Ozlem
dc.contributor.authorKara, Selim
dc.contributor.authorPekcan, Onder
dc.date.accessioned2024-06-12T11:02:03Z
dc.date.available2024-06-12T11:02:03Z
dc.date.issued2011
dc.departmentTrakya Üniversitesien_US
dc.description.abstractThe effect of carrageenan concentration on thermal phase transitions of the iota carrageenan gels was investigated by using fluorescence technique. During heating and cooling processes, scattered light, I(sc), and fluorescence intensity, I(p), were monitored against temperature to investigate phase transitions. Transition temperatures from the derivative of the transition paths were determined. Two regions were observed during the heating and cooling processes. At the first step of the heating, dimers were converted into double helix by undergoing dimer to double helix (d-h) transition. At the higher temperature region, double helix to coil (h-c) transition took place. During the cooling process, these transitions are arranged in the order of coil to double helix (c-h) and double helix to dimer (h-d). A hysteresis was observed between (h-d) and (d-h) transitions. The critical gel fraction exponents, beta, were found to be independent of the system by indicating that they all fall into the same universality class. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 121: 2652-2661, 2011en_US
dc.identifier.doi10.1002/app.31233
dc.identifier.endpage2661en_US
dc.identifier.issn0021-8995
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-79957894526en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage2652en_US
dc.identifier.urihttps://doi.org/10.1002/app.31233
dc.identifier.urihttps://hdl.handle.net/20.500.14551/21125
dc.identifier.volume121en_US
dc.identifier.wosWOS:000291598100021en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWiley-Blackwellen_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.subjectFluorescenceen_US
dc.subjectGelsen_US
dc.subjectTransitionsen_US
dc.subjectMolecular-Size Distributionen_US
dc.subjectX-Ray-Diffractionen_US
dc.subjectKappa-Carrageenanen_US
dc.subjectSol-Gelen_US
dc.subjectGelationen_US
dc.subjectPolymersen_US
dc.subjectDynamicsen_US
dc.subjectHelicesen_US
dc.subjectModelen_US
dc.subjectSaltsen_US
dc.titleStudy of Thermal Phase Transitions in Iota Carrageenan Gels via Fluorescence Techniqueen_US
dc.typeArticleen_US

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