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High-resolution solid-state carbon-13 NMR study of chitosan and its salts with acids: conformational characterization of polymorphs and helical structures as viewed from the conformation-dependent carbon-13 chemical shifts

✍ Scribed by Saito, Hajime; Tabeta, Ryoko; Ogawa, Kozo


Book ID
120178961
Publisher
American Chemical Society
Year
1987
Tongue
English
Weight
863 KB
Volume
20
Category
Article
ISSN
0024-9297

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We have recorded high-resolution l3C-nmr spectra of collagen fibrils in the solid state by the cross-polarization-magic-angle-spinning (CP-MAS) method and analyzed the spectra with reference to those of collagenlike polypetides. We used two kinds of model polypeptides to obtain reference 13C chemica