DOI: 10.1002/macp.1960.020420123. Studies on amylose and its derivatives. Part I. Molecular size and configuration of amylose molecules in various solvents

Studies on amylose and its derivatives. Part I. Molecular size and configuration of amylose molecules in various solvents

10.1002/macp.1960.020420123

Crossref journal-article

Wiley

Die Makromolekulare Chemie (311)

Abstract

AbstractLight scattering measurements have been made on several fractions of potato amylose in dimethyl sulfoxide in the molecular weight range 2.2 · 105 to 3.05 · 106. Viscosity measurements have also been carried out in a multibulb shear viscometer using N‐potassium hydroxide, dimethylsulfoxide and ethylene diamine as solvents, and non‐NEWTON‐ian behaviour was observed in samples with [η] ≥ 3.0.The constants in the STAUDINGER‐KUHN equation have been determined and results indicate that amylose has a randomly coiled conformation in ethylene diamine, but is much more extended in the other two solvents. The hydrodynamic behaviour is discussed in terms of various theories and evidence for a basic helical form in solution is considered.

Bibliography

Cowie, J. M. G. (1960). Studies on amylose and its derivatives. Part I. Molecular size and configuration of amylose molecules in various solvents. Die Makromolekulare Chemie, 42(1), 230â247. Portico.

Authors 1

J. M. G. Cowie (first)

References 45 Referenced 109

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Dates

Type	When
Created	22 years, 4 months ago (April 16, 2003, 6:42 a.m.)
Deposited	1 year, 10 months ago (Oct. 19, 2023, 8:58 a.m.)
Indexed	1 month, 2 weeks ago (July 20, 2025, 12:13 a.m.)
Issued	65 years, 8 months ago (Jan. 1, 1960)
Published	65 years, 8 months ago (Jan. 1, 1960)
Published Online	22 years, 5 months ago (March 12, 2003)
Published Print	65 years, 8 months ago (Jan. 1, 1960)

Funders 0

None

BibTeX

@article{Cowie_1960, title={Studies on amylose and its derivatives. Part I. Molecular size and configuration of amylose molecules in various solvents}, volume={42}, ISSN={0025-116X}, url={http://dx.doi.org/10.1002/macp.1960.020420123}, DOI={10.1002/macp.1960.020420123}, number={1}, journal={Die Makromolekulare Chemie}, publisher={Wiley}, author={Cowie, J. M. G.}, year={1960}, month=jan, pages={230–247} }

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