MOLECULAR MOBILITY OF THE WATER-MOLECULES IN AQUEOUS SUCROSE SOLUTIONS, STUDIED BY H-2-NMR RELAXATION

GIRLICH, D and LUDEMANN, HD (1994) MOLECULAR MOBILITY OF THE WATER-MOLECULES IN AQUEOUS SUCROSE SOLUTIONS, STUDIED BY H-2-NMR RELAXATION. ZEITSCHRIFT FUR NATURFORSCHUNG C-A JOURNAL OF BIOSCIENCES, 49 (3-4). pp. 250-257. ISSN 0939-5075,

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Abstract

Deuteron spin lattice relaxation times T-1 of sucrose/D2O solutions are given as function of temperature, pressure, frequency and concentration. From the temperature dependence of the H-2-T-1 the rotational dynamics of the hydrated sucrose complex and the water molecules are determined. For high pressure and high concentrations the temperature dependence of the water molecules is described by a Vogel-Tammann-Fulcher equation. The ideal glass transition temperatures T-0(H20) derived for the water molecules are at higher concentrations almost constant and smaller than the T-0(suc) of the sugar molecules.

Item Type: Article
Uncontrolled Keywords: MAGNETIC-RELAXATION; PRESSURE; NMR; SUCROSE; WATER; AQUEOUS SOLUTION; GLASS TRANSITION
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:40
URI: https://pred.uni-regensburg.de/id/eprint/53449

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