
pmid: 2279074
AbstractThis paper concerns the behavior in dilute and semidilute solutions of deacetylated gellan. The conformational transition, controlled by temperature and ionic strength, is investigated. It corresponds to a double‐helix single‐chain transition. Large ionic selectivity is observed in the helical conformation that controls the degree of aggregation upon gelation. Potentiometry and conductivity measurements are interpreted in terms of the Manning poly‐electrolyte theory in the sol state.
Viscosity, Molecular Sequence Data, Osmolar Concentration, Polysaccharides, Bacterial, Electric Conductivity, Temperature, Hydrogen-Ion Concentration, Molecular Weight, Carbohydrate Sequence, Carbohydrate Conformation, Potentiometry, Gels
Viscosity, Molecular Sequence Data, Osmolar Concentration, Polysaccharides, Bacterial, Electric Conductivity, Temperature, Hydrogen-Ion Concentration, Molecular Weight, Carbohydrate Sequence, Carbohydrate Conformation, Potentiometry, Gels
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