Water in Biological Systems pp 94-103 | Cite as
Self-Diffusion in Aqueous Solutions of Amino Acids, Peptides, and Proteins
Abstract
Much research has recently been done on self-diffusion in liquids and solutions, as a result of the development of a convenient and sufficiently precise method for measuring self-diffusion constants on the basis of the spin echo phenomenon [1, 2]. The most fruitful investigations of aqueous solutions have been those of K. A. Valiev et al. (e. g., [3]) and the work of Douglas and McCall [4], who measured the self-diffusion constants of water in electrolyte solutions. These authors attempted to obtain information on the influence of ions on the structure of water and to calculate the quantitative characteristics of this influence from data on the self-diffusion constants of water as a function of concentration. The criteria used to evaluate the influence of the solute on the structure of water in aqueous nonelectrolyte solutions [5] are less conclusive and require thorough theoretical and experimental verification.
Keywords
Pure Water Hydration Number Amino Acid Solution Peptide Group Glycine SolutionPreview
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