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Hydrodynamic characterisation of chitosan and its interaction with two polyanions: DNA and xanthan
Chitosan, a soluble polycationic derivative of insoluble chitin, has been widely considered for use in the food, cosmetic and pharmaceutical industries. Commercial (“C”) and in-house laboratory (“L”) prepared chitosan ...
Recent Advances in the Analysis of Macromolecular Interactions Using the Matrix-Free Method of Sedimentation in the Analytical Ultracentrifuge
Sedimentation in the analytical ultracentrifuge is a matrix free solution technique with no immobilisation, columns, or membranes required and can be used to study self-association and complex or “hetero”-interactions, ...
Comparative heterogeneity, molecular weights and viscosities of xanthans of different pyruvate and acetate content
Introduction: The bacterial exopolysaccharide xanthan is a well-known hydrocolloid, with a high viscosity deriving from its large molecular weight and volume. Materials and methods: Four different xanthans deriving from ...
Ultracentrifuge Methods for the Analysis of Polysaccharides, Glycoconjugates, and Lignins
Although like proteins, polysaccharides are synthesized by enzymes, unlike proteins there is no template. This means that they are polydisperse, do not generally have compact folded structures, and are often very large ...