Please use this identifier to cite or link to this item: https://hdl.handle.net/10216/82074
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dc.creatorBatista, MKS
dc.creatorPinto, LF
dc.creatorGomes, CAR
dc.creatorGomes, P
dc.date.accessioned2019-02-06T22:03:37Z-
dc.date.available2019-02-06T22:03:37Z-
dc.date.issued2006
dc.identifier.issn0144-8617
dc.identifier.othersigarra:89152
dc.identifier.urihttps://repositorio-aberto.up.pt/handle/10216/82074-
dc.description.abstractNovel water-soluble polymers, N-(gamma-propanoyl-valin)-chitosan and N-(gamma-propanoyi-aspartic acid)-chitosan, were synthesized by reaction of low molecular weight chitosan with N-alpha-(3-bromopropanoyl)-valine and N-alpha-(3-bromopropanoyl)-aspartic acid, respectively, under mild conditions. Prior to reaction with chitosan, the peptide substituents have been prepared by standard peptide chemistry methods from 3-bromopropanoic acid and the relevant a-amino acid tert-butyl esters. The chemical structure and physical properties of the novel chitosan derivatives were characterized by H-1 NMR and IR spectroscopy. The polymers are highly soluble in a wide pH range, which opens new perspectives for the applications of chitosan-based materials.
dc.language.isoeng
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/
dc.subjectQuímica
dc.subjectChemical sciences
dc.titleNovel highly-soluble peptide-chitosan polymers: Chemical synthesis and spectral characterization
dc.typeArtigo em Revista Científica Internacional
dc.contributor.uportoFaculdade de Ciências
dc.identifier.doi10.1016/j.carbpol.2005.11.040
dc.identifier.authenticusP-004-KSC
dc.subject.fosCiências exactas e naturais::Química
dc.subject.fosNatural sciences::Chemical sciences
Appears in Collections:FCUP - Artigo em Revista Científica Internacional

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