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Chitosan-sheath and chitin-core nanowhiskers

Chitosan-sheath and -chitin-core nanowhiskers (CsNWs) have been successfully generated by surface deacetylation of chitin nanowhiskers (CtNWs) in the never-dried state. Acid hydrolysis (3N HCl, 30 mL/g, 104 ◦C) of pure chitin derived from crab shell yielded 65% 4–10 nm thick, 16 nm wide and 214 nm long chitin whiskers (CtNWs) that were 86% crystalline and 81% acetylated. |