Study of solute–solute and solute–solvent interactions of l-threonine in aqueous-glucose solutions at different temperatures by using volumetric and viscometric methods

Nain, Anil Kumar; Pal, Renu

doi:10.1016/j.jct.2013.01.008

Cited by 50 publications

(25 citation statements)

References 38 publications

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“…15, 303.15, 313.15, and 323.15) K are given in Table 2. The comparison figures of the experimental densities and viscosities for amino acids and mannitol in water with the literature values [3][4][5][6][7][8][9]18 are shown in the Supporting Information ( Figure S1 to Figure S6). The Figures S1 to S6 show that the experimental densities and viscosities agree well with the literature values.…”

Section: Resultsmentioning

confidence: 99%

Volumetric and Viscometric Studies of Amino Acids in Mannitol Aqueous Solutions at T = (293.15 to 323.15) K

Ren

Zhu

2015

J. Chem. Eng. Data

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Densities and viscosities of glycine, L-alanine, Lvaline, L-threonine, and L-arginine in aqueous solutions of (0.0, 0.2, 0.4, 0.6, 0.8, and 1.0) mol·kg −1 mannitol have been measured in the temperature range of (293.15 to 323.15) K under atmospheric pressure; then the measured densities and viscosities of experimental systems were correlated. These data were further used to calculate the apparent molar volumes (V φ ), the limiting partial molar volumes (V φ 0 ), the limiting partial molar volumes of transfer (Δ tr V φ 0 ), the viscosity Bcoefficients, and the free energies of activation per mole of solvent (Δμ 1 0≠ ) and solute (Δμ 2 0≠ ). The results were interpreted through solute−solute interaction and solute− solvent interaction on the basis of the cosphere overlap model and transition state theory.

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Section: Resultsmentioning

confidence: 99%

Volumetric and Viscometric Studies of Amino Acids in Mannitol Aqueous Solutions at T = (293.15 to 323.15) K

Ren

Zhu

2015

J. Chem. Eng. Data

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“…Earlier studies have reported the density and viscosity data for different mixtures of amino acids, carbohydrates, and electrolytes and utilized these data to deduce the thermodynamic properties (relative viscosity, Jones-Dole coefficient, etc.) [9][10][11][12][13] .…”

Section: Introductionmentioning

confidence: 99%

Investigations on the Effects of Salts and Carbohydrates on L-Lysine in Aqueous System at T=293.15K

Sharma¹,

Sharma²

2021

Orient. J. Chem

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Physicochemical studies of amino acids in an aqueous medium can provide significant knowledge about the stabilization mechanism of proteins.In this study, the viscosity (ƞ), surface tension (γ), density (ρ) and the specific conductance (κ) measurements have been carried out for amino acid L-lysine (0.02 to 1.6M) in aqueous solutions at 293.15K. The experimental data shows that there is an increase in the viscosity, surface tension, conductance, and density of the L-lysine with and without glucose, sucrose, sodium chloride, and potassium chloride with concentration.The solute-solute and solute-solvent interactions have been discussed on the basis of all physicochemical parameters.

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“…On the other hand, DAP is also a water-soluble salt. There are extensive studies regarding the interactions between saccharides and amino acids − and on the thermodynamics of amino acids + water + saccharides − and of saccharides + salt–water-mixed solvents. − There is wide research on the studies of densities and speeds of sound for aqueous solutions of sucrose with different additives ,,, but till now, no comparative studies have been carried out on the acoustic and volumetric properties of sucrose with aqueous ADP and DAP. So, we prearranged to have volumetric and acoustic (compressibility) studies on sucrose with aqueous ADP and DAP solutions.…”

Section: Introductionmentioning

confidence: 99%

Densities and Speeds of Sound for Sucrose in Aqueous Solutions of Ammonium Phosphate Salts at Different Temperatures through Density and Speed of Sound Measurements

2019

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Volumetric and acoustic studies of sucrose with ammonium phosphate salts, namely, ammonium dihydrogen phosphate (ADP) and diammonium hydrogen phosphate (DAP), have been carried out using an oscillating U-tube instrument, namely, Anton Paar DSA 5000 M. Densities and speeds of sound in aqueous solutions of sucrose and mixed aqueous solutions of (0.0, 0.5, 1.0, and 1.5) mol• kg −1 ADP and DAP have been measured at four different temperatures (288.15, 298.15, 308.15, and 318.15) K and an experimental pressure of p = 0.1 MPa. Making use of the density and speed of sound data, the respective apparent molar volume (V ϕ ) and apparent molar isentropic compression (K ϕ,s ) in aqueous solutions of sucrose and mixed aqueous solutions of ADP and DAP have been determined at the above four temperatures.

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Study of solute–solute and solute–solvent interactions of l-threonine in aqueous-glucose solutions at different temperatures by using volumetric and viscometric methods

Cited by 50 publications

References 38 publications

Volumetric and Viscometric Studies of Amino Acids in Mannitol Aqueous Solutions at T = (293.15 to 323.15) K

Volumetric and Viscometric Studies of Amino Acids in Mannitol Aqueous Solutions at T = (293.15 to 323.15) K

Investigations on the Effects of Salts and Carbohydrates on L-Lysine in Aqueous System at T=293.15K

Densities and Speeds of Sound for Sucrose in Aqueous Solutions of Ammonium Phosphate Salts at Different Temperatures through Density and Speed of Sound Measurements

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