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- W3085299524 endingPage "110020" @default.
- W3085299524 startingPage "110020" @default.
- W3085299524 abstract "• Formation of PECs aims to enhance chitosan stability. • Applicability of PECs with chitosan in skin and mucosal drug delivery was discussed. • Technological factors deeply affect chitosan – polyanion interactions. • Selection of optimal processing parameters is crucial for PECs formation. Chitosan, a biocompatible positively charged polysaccharide from natural origin, is regarded as a promising compound in medical and pharmaceutical technology. However, despitehigh application potential of chitosan, its susceptibility to the presence of ions, pH – dependent solubility, insufficient rheological properties or poor mechanical characteristics, can be a serious limitation in the technology of modified release drug carriers. To date, different strategies have been applied to overcome too rapid disintegration of chitosan carriers and to improve theirphysical properties. Among modifications of chitosan backbone, particular attention has been paid toward polyelectrolyte complexes spontaneously formed by mixing chitosan with oppositely charged polymers from both natural or synthetic origin under mild conditions. The aim of this review is to highlight the most recent advances and current applications of chitosan – based polyelectrolyte complexes as potential drug delivery systems and medical devices for local (skin and mucosal) application. Regarding the fact that pharmaceutical processing appears particularly important in proper polyelectrolyte complexes formation, this review covers the influence of selected technological factors on final polyelectrolyte complexes characteristics. The influence of a type of an applied polyanion on the polyelectrolyte complexes properties including swelling capacity, bio – and mucoadhesiveness or biological activity was also briefly described." @default.
- W3085299524 created "2020-09-21" @default.
- W3085299524 creator A5018664058 @default.
- W3085299524 creator A5021725456 @default.
- W3085299524 creator A5051579907 @default.
- W3085299524 date "2020-11-01" @default.
- W3085299524 modified "2023-10-08" @default.
- W3085299524 title "Challenges in developing of chitosan – Based polyelectrolyte complexes as a platform for mucosal and skin drug delivery" @default.
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