On chemistry of ?-chitin

dc.authoridLabidi, Jalel -- 0000-0002-8382-9492; Sargin, Idris -- 0000-0003-3785-9575; Mujtaba, Muhammad -- 0000-0001-8392-9226; Ehrlich, Hermann -- 0000-0003-3654-0810; BARAN, TALAT -- 0000-0003-0206-3841; Kaya, Murat -- 0000-0001-6954-2703
dc.contributor.authorKaya, Murat
dc.contributor.authorMujtaba, Muhammad
dc.contributor.authorEhrlich, Hermann
dc.contributor.authorSalaberria, Asier
dc.contributor.authorBaran, Talat
dc.contributor.authorAmemiya, Chris T.
dc.contributor.authorGalli, Roberta
dc.contributor.authorAkyüz, Lalehan
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-29T19:26:26Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-29T19:26:26Z
dc.date.issued2017
dc.departmentFen-Edebiyat Fakültesi
dc.description.abstractThe biological material, chitin, is present in nature in three allomorphic forms: alpha, beta and gamma. Whereas most studies have dealt with alpha- and beta-chitin, only few investigations have focused on gamma-chitin, whose structural and physicochemical properties have not been well delineated. In this study, chitin obtained for the first time from the cocoon of the moth (Orgyia dubia) was subjected to extensive physicochemical analyses and examined, in parallel, with alpha-chitin from exoskeleton of a freshwater crab and 5-chitin from cuttlebone of the common cuttlefish. Our results, which are supported by13C CP-MAS NMR, XRD, FT-IR, Raman spectroscopy, TGA, DSC, SEM, AFM, chitinase digestive test and elemental analysis, verify the authenticity of beta-chitin. Further, quantum chemical calculations were conducted on all three allomorphic forms, and, together with our physicochemical analyses, demonstrate that gamma-chitin is distinct, yet closer in structure to alpha-chitin than beta-chitin.
dc.description.sponsorshipDFG [HE 394/3-2]; BHMZ Programme of Dr.-Erich-Kruger-Foundation in Germany
dc.description.sponsorshipWe are thankful for the following financial support - DFG Project HE 394/3-2 and the BHMZ Programme of Dr.-Erich-Kruger-Foundation in Germany.
dc.identifier.doi10.1016/j.carbpol.2017.08.076
dc.identifier.endpage186en_US
dc.identifier.issn0144-8617
dc.identifier.issn1879-1344
dc.identifier.pmid28927596
dc.identifier.scopusqualityQ1
dc.identifier.startpage177en_US
dc.identifier.urihttps://doi.org/10.1016/j.carbpol.2017.08.076
dc.identifier.urihttps://hdl.handle.net/20.500.12451/5593
dc.identifier.volume176en_US
dc.identifier.wosWOS:000410970900021
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherELSEVIER SCI
dc.relation.ispartofCARBOHYDRATE POLYMERS
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectChitin
dc.subjectAlpha
dc.subjectBeta
dc.subjectGamma
dc.subjectCharacterization
dc.subjectMolecular Modelling
dc.titleOn chemistry of ?-chitin
dc.typeArticle

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