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Characterization of polysaccharide structure and interactions by circular dichroism: order–disorder transition in the calcium alginate system
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1973
Year
EngineeringBiochemistryCircular DichroismGlycobiologyContiguous α-L-guluronate ResiduesConformational StudyCalcium AluminatePolysaccharideCalcium Alginate SystemMedicineMolecular ModelingPolysaccharide StructureCarbohydrate-protein InteractionBiophysicsBiomolecular EngineeringCircular Dichroism EvidenceCarboxylate N Orbitals
Circular dichroism evidence is given for the involvement of carboxylate n orbitals of contiguous α-L-guluronate residues, in specific binding of Ca2+ which occurs co-operatively with the sol → gel transition for alginate.