Results 261 to 270 of about 755,747 (299)
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The basis of the hydrophobic effect
Biophysical Chemistry, 2002The property of a molecule that most reliably determines the magnitude of the hydrophobic effect that it will experience is the number of hydrogen-carbon bonds it contains not the accessible surface area of its nonpolar portions. This conclusion follows from an examination of the standard free energies of transfer of alkanes, alkenes, alkadienes, and ...
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Journal of Pharmaceutical Sciences, 1998
The quantitative development of the nonergodic mobile order thermodynamics involving the new interpretation of the hydrophobic effect leads to a general solubility equation. This equation is applied to predict the aqueous and alcohol solubility of chemicals ranging from nonpolar or slightly polar with no H-bonding capacity to polyfunctional polar ...
P, Ruelle, U W, Kesselring
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The quantitative development of the nonergodic mobile order thermodynamics involving the new interpretation of the hydrophobic effect leads to a general solubility equation. This equation is applied to predict the aqueous and alcohol solubility of chemicals ranging from nonpolar or slightly polar with no H-bonding capacity to polyfunctional polar ...
P, Ruelle, U W, Kesselring
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The hydrophobic effect Gibbs energy
Journal of Molecular Liquids, 2008A new method of experimental determination of thermodynamic functions of the hydrophobic effect is proposed. It is based on regarding the thermodynamic functions of hydration as the sum of thermodynamic functions of nonspecific hydration, specific hydration and the hydrophobic effect.
Solomonov B., Sedov I.
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New perspectives on hydrophobic effects
Chemical Physics, 2000Abstract Recent breakthroughs in the theory of hydrophobic effects permit new analyses of several characteristics of hydrophobic hydration and interaction. Heat capacities of non-polar solvation, and their temperature dependences, are analyzed within an information theory approach, using experimental information available from bulk liquid water.
Hummer, G. +3 more
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Nonclassical hydrophobic effect in membrane binding equilibria
Biochemistry, 1991The enthalpy of transfer of four different amphiphilic molecules from the aqueous phase to the lipid membrane was determined by titration calorimetry. The four molecules investigated were the potential-sensitive dye 2-(p-toluidinyl)naphthalene-6-sulfonate (TNS), the membrane conductivity inducing anion tetraphenylborate (TPB), the Ca2+ channel blocker ...
Seelig, J., Ganz, P.
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2021
Cyclodextrins (CDs) are the best known and most frequently investigated supramolecular hosts for hydrophobic species in aqueous solutions, characterized by their high water solubility and solubilizing ability. The latter is found to be of great interest in pharmaceutical industry and formulation development, implying the importance of thermodynamic ...
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Cyclodextrins (CDs) are the best known and most frequently investigated supramolecular hosts for hydrophobic species in aqueous solutions, characterized by their high water solubility and solubilizing ability. The latter is found to be of great interest in pharmaceutical industry and formulation development, implying the importance of thermodynamic ...
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Influence of hydrophobic effects on streaming potential
Physical Review E, 2013We study the influence of hydrophobic effects on streaming potential mediated flow through a narrow confinement. In a clear departure from the approach used in prior works, we use a phase-field model to capture the hydrophobicity-induced depletion in the near wall region, and express the variation of viscosity and permittivity across the interfacial ...
Jeevanjyoti, Chakraborty +1 more
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Hydrostatic pressure effect on hydrophobic hydration and pairwise hydrophobic interaction of methane
The Journal of Chemical Physics, 2014At room temperature, the Ben-Naim standard hydration Gibbs energy of methane is a positive quantity that increases markedly with hydrostatic pressure [M. S. Moghaddam and H. S. Chan, J. Chem. Phys. 126, 114507 (2007)]. This finding is rationalized by showing that the magnitude of the reversible work to create a suitable cavity in water increases with ...
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Molecular thermodynamics of hydrophobic effects
Current Opinion in Colloid & Interface Science, 1997There have been two new advances in molecular thermodynamic models of hydrophobic effects. One is an information theory model for predicting free energies of hydrophobic hydration and hydrophobic interactions based on an analysis of density fluctuations in pure liquid water.
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