Journal
CARBOHYDRATE POLYMERS
Volume 74, Issue 1, Pages 10-15Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2008.01.004
Keywords
chitin; Illex argentinus; NMR; molecular weight; viscosity; persistence length
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beta-Chitin from Illex argentinus squid pens was isolated by using chemical methods and the pens composition determined. The structural characteristics of beta-chitin were identified with infrared (IR), solid-state cross-polarization/magic-angle-spinning (CP-MAS) C-13 NMR spectroscopy and X-ray analysis. The viscosity average molecular weight M-v, calculated from the intrinsic viscosity was above 2 x 10(6) g mol(-1). The stiffness of the macromolecule was analyzed using the Yamakawa and Fujii theory for wormlike cylinders. (c) 2008 Elsevier Ltd. All rights reserved.
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