𝔖 Bobbio Scriptorium
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Chain conformations in cellulose I and cellulose II

✍ Scribed by B. R. Manjunath; N. Peacock

Publisher
John Wiley and Sons
Year
1972
Tongue
English
Weight
195 KB
Volume
16
Category
Article
ISSN
0021-8995

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πŸ“œ SIMILAR VOLUMES

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## Abstract It is postulated from energetic considerations that the anhydrocellobiose unit in cellulose I has a conformation differing from that in cellulose II. Conformation I has two intramolecular hydrogen bonds, while conformation II has only one. This difference arises from a different orienta

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Evidence for a helical contribution to the conformation of methylcellulose in dilute solution is given by CD measurements. Congo red binds to methylcellulose in dilute aqueous solution and becomes optically active. The shape of the induced CD spectra is as predicted by exciton coupling for a helical

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## Abstract The characteristic ratio of unperturbed cellulose chain was computed as a function of the angle Ο„ at, the bridge oxygen atom and the degree of polymerization. Very high values of the order of 40 or more, depending on the angle at the bridge oxygen atom, have been obtained for this ratio