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TIP. Revista especializada en ciencias químico-biológicas
Print version ISSN 1405-888X
Abstract
RINAUDO, Marguerite. Behaviour Of Amphiphilic Polysaccharides in Aqueous Medium. TIP [online]. 2008, vol.11, n.1, pp.35-40. ISSN 1405-888X.
This paper describes the rheological and thermal behaviour of alkylated chitosan and hyaluronan derivatives and methylcellulose, Their behaviour is characterized by the formation of hydrophobic domains which may be considered as crosslinked points. Then, depending on the thermodynamic conditions (temperature, salt concentration), an aqueous solution transforms to a 3D-physical network formed on the basis of hydrophobic cooperative interactions.
Keywords : Alkylated chitosan; alkylated hyaluronan; amphiphilic polysaccharides; methylcellulose; rheological behaviour.