DISSOLUTION OF CHITOSAN IN APROTIC AQUEOUS MEDIUM COMPOSITION, PREPARATION METHODS AND BIOMEDICAL USES THEREOF
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Oct 24, 2024
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Apr 25, 2022
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Apr 25, 2022
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Abstract
It is provided a method and composition of chitosan, where the chitosan, independent of its molecular weight or degree of deacetylation, is dissolved in an acid free aqueous solution comprising charged aldehyde without the need of protonating agent, and wherein amino groups of chitosan form imine bonds with the aldehyde functions of the acid free aqueous solution making chitosan hydrophilic with negatively charged chains and resulting in chitosan particles being entrained in solution producing a acid free chitosan composition.
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