Physiochemical Interactions of Amino Acids and Peptides in Aqueous Media
2015, Approx. 300 p. 100 illus.
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Provides detailed thermodynamic data for amino acids and peptides
Treats both solute and solvent and effects on amino acids
Includes temperature-dependent effects
The present work covers in detail the results of measurements of apparent molar volumes, viscosities and apparent molar adiabatic isothermal compressibility of various -amino acids and peptide in water and in aqueous sodium nitrate (NaNO3), potassium nitrate (KNO3) and magnesium nitrate hexahydrate [Mg(NO3)2.6H2O] solutions at different temperatures as follows. These data have been used to arrive at the various parameters like partial molar volumes, partial molar adiabatic compressibility capacities and viscosity B-coefficients and their corresponding transfer functions, side chain contributions, interaction coefficients, activation parameters and hydration numbers. These parameters have been used to rationalize the nature of interactions amongst various -amino acids/ diglycine (solutes) and water (solvent) in the presence of NaNO3, KNO3 and Mg(NO3)2.6H2O (cosolute). This work will be of interest to researchers working with amino acids and peptides.
Content Level »Research
Keywords »Amino Acids Partial Molality - Apparent Molar Volumes for Amino Acids - Diglycine - Hydrated Metals and Peptides - NO3 Effects on Peptides and Amino Acids - Saline Solute Effects on Amino Acids - Side-chain Effects on Hydration for Peptides - Solvent and Solute Effects on Peptides - Thermodynamic Data for Amino Acids and Peptides
From the Contents: General Introduction.- Structure of Water.- Forces that Stabilize the Protein Structure.- Outline of the Present Research Work.- Review of Literature.- Experimental.- Sources & Grades of Chemicals.- Experimental Techniques.- Theoretical Background of Physico-Chemical Properties.- Results and Discussion.- Apparent Molar Volumes of a-Amino Acids and Diglycine in Aqueous Sodium Nitrate at Different Temperatures (T=288.15-318.15)K.- Apparent Molar Volumes of a-Amino Acids and Diglycine in Aqueous Potassium Nitrate at Different Temperatures (T=288.15-318.15)K.- Apparent Molar Volumes of a-Amino Acids and Diglycine in Aqueous Magnesium Nitrate Hexahydrate at Different Temperatures (T=288.15-318.15)K.