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BioNano Monographs

Chitosan and Its Derivatives as Promising Drug Delivery Carriers

Editor
M. Prabaharan
M. Prabaharan
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ISBN:
9780791860052
No. of Pages:
84
Publisher:
ASME Press
Publication date:
2012

Chitosan is a cationic polymer, which is the second most abundant polymer in nature after cellulose [10]. Chitin is the primary structural component of the outer skeletons of crustaceans, and is also found in many other species such as molluscs, insects and fungi. The most commonly obtained form of chitosan is the a-chitosan from crustacean chitin obtained from crab- and shrimp shell wastes [11]. This accounts for approximately 70% of the organic compounds in such shells. In preparing chitosan, ground shells are deproteinated and demineralized by sequential treatment with alkali and acid, after which the extracted chitin is deacetylated to...

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