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Keywords = Viscosan

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17 pages, 1114 KiB  
Article
Characterization and Properties of Hydrogels Made from Neutral Soluble Chitosans
by Henry M. Franzén, Kurt Ingar Draget, Joakim Langebäck and Julie Nilsen-Nygaard
Polymers 2015, 7(3), 373-389; https://doi.org/10.3390/polym7030373 - 18 Feb 2015
Cited by 27 | Viewed by 7368
Abstract
The current paper focuses on the preparation and some characteristics of viscoelastic hydrogels, ViscoGels™, made from chitosans having a random acylation pattern. Three different chitosan batches with a high fraction of acetylation were selected based on their Mw, and the impact [...] Read more.
The current paper focuses on the preparation and some characteristics of viscoelastic hydrogels, ViscoGels™, made from chitosans having a random acylation pattern. Three different chitosan batches with a high fraction of acetylation were selected based on their Mw, and the impact of degree of cross-linking on these chitosan samples has been studied with respect to the properties of the final hydrogels. Rheological long term (12 month) stability and gelling kinetics data are presented together with results from swelling studies at different pH. Finally, an example illustrating these gels potential as drug delivery vehicles is presented and discussed. Full article
(This article belongs to the Collection Polysaccharides)
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