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We have developed a method to calculate the hydration of hydrophobic solutes by the fundamental measure theory. This method allows us to carry out calculations of the density profile and the hydration energy for hydrophobic molecules. An…

统计力学 · 物理学 2007-05-23 G. N. Chuev , V. F. Sokolov

We present a probabilistic approach to water-water hydrogen bonding that allows one to obtain an analytic expression for the number of bonds per water molecule as a function of both its distance to a hydrophobic particle and hydrophobe…

软凝聚态物质 · 物理学 2013-03-20 Yuri S. Djikaev , Eli Ruckenstein

A theoretical model for the effect of water hydrogen bonding on the thermodynamics of hydrophobic hydration is proposed as a combination of the classical density functional theory with the recently developed probabilistic approach to water…

统计力学 · 物理学 2011-06-16 Yuri S. Djikaev

A high level polarizable force field is used to study the temperature dependence of hydrophobic hydration of small-sized molecules from computer simulations. Molecular dynamics (MD) simulations of liquid water at various temperatures form…

生物物理 · 物理学 2007-11-27 R. Mahajan , D. Krazmueller , U. H. E. Hansmann , J. Volkert , S. Hoefinger

We present an extension of our recently introduced molecular density functional theory of water [G. Jeanmairet et al., J. Phys. Chem. Lett. 4, 619, 2013] to the solvation of hydrophobic solutes of various sizes, going from angstroms to…

化学物理 · 物理学 2013-10-21 Guillaume Jeanmairet , Maximilien Levesque , Daniel Borgis

Integral equation theory is applied to a coarse-grained model of water to study potential of mean force between hydrophobic solutes. Theory is shown to be in good agreement with the available simulation data for methane-methane and…

软凝聚态物质 · 物理学 2015-05-28 S. A. Egorov

The solvation of hydrophobic solutes in water is special because liquid and gas are almost at coexistence. In the common hypernetted chain approximation to integral equations, or equivalently in the homogenous reference fluid of molecular…

We discuss the simple microscopic derivation of a hydrophobic effect. Our approach is based on the standard functional representation of the partition function of interacting classical particles and subsequent passage to collective…

统计力学 · 物理学 2016-08-31 G. Sitnikov , S. Nechaev

Hard-sphere mixtures provide one a solvable reference system that can be used to improve the density functional theory of realistic molecular fluids. We show how the Kierlik-Rosinberg's scalar version of the fundamental measure density…

化学物理 · 物理学 2012-07-23 Maximilien Levesque , Rodolphe Vuilleumier , Daniel Borgis

A comprehensive, semi-quantitative model for the thermodynamics of hydrophobic solvation is presented. The model is based on a very simple premise suggested by the scaled particle theory and treats both solute and solvent molecules as hard…

生物物理 · 物理学 2007-05-23 Hong Qian

Hydrophobic interactions are central to biological self-assembly and soft matter organization, yet their microscopic origins remain debated. A key hallmark is the strengthening of attraction between hydrophobic solutes with increasing…

软凝聚态物质 · 物理学 2025-09-25 Nigel B. Wilding , Francesco Turci

A theoretical approach is developed to quantify hydrophobic hydration and interactions on a molecular scale, with the goal of gaining insight into the molecular origins of hydrophobic effects. The model is based on the fundamental relation…

化学物理 · 物理学 2016-08-15 G. Hummer , S. Garde , A. E. García , M. E. Paulaitis , L. R. Pratt

We propose a generalisation of molecular density functional theory to describe inhomogeneous solvent mixture, with the objective of modelling electrolytic solutions. Two electrolytic models are presented, both within the HNC approximation.…

化学物理 · 物理学 2025-11-13 Guillaume Jeanmairet , Luc Belloni , Daniel Borgis

The hydrophobic effect is the dominant force which drives a protein towards its native state, but its physics has not been thoroughly understood yet. We introduce an exactly solvable model of the solvation of non-polar molecules in water,…

统计力学 · 物理学 2007-05-23 Pierpaolo Bruscolini , Lapo Casetti

The thermodynamics of hydration changes gradually from entropic for small solutes to enthalpic for large ones. The small-to-large crossover lengthscale of hydrophobic hydration depends on the thermodynamic conditions of the solvent such as…

软凝聚态物质 · 物理学 2015-06-15 Yuri S. Djikaev , Eli Ruckenstein

A classical density functional theory is applied to study solvation of solutes in water. An approx- imate form of the excess functional is proposed for water. This functional requires the knowledge of pure solvent direct correlation…

化学物理 · 物理学 2014-09-01 Guillaume Jeanmairet

We analyze the structure of the Fundamental Measure Theory for the free energy density functional of hard sphere mixtures. A comparative study of the different versions of the theory, and other density functional approaches, is done in…

软凝聚态物质 · 物理学 2009-11-07 Jose A. Cuesta , Yuri Martinez-Raton , Pedro Tarazona

The aversion of hydrophobic solutes for water drives diverse interactions and assemblies across materials science, biology and beyond. % Here, we review the theoretical, computational and experimental developments which underpin a…

软凝聚态物质 · 物理学 2022-10-05 Nicholas B. Rego , Amish J. Patel

The hydrophobic effect stabilizes the native structure of proteins by minimizing the unfavourable interactions between hydrophobic residues and water through the formation of a hydrophobic core. Here we include the entropic and enthalpic…

软凝聚态物质 · 物理学 2016-03-23 Erik van Dijk , Patrick Varilly , Tuomas Knowles , Daan Frenkel , Sanne Abeln

Nanoscopic pores are used in various systems to attract nanoparticles. In general the behaviour is a result of two types of interactions: the material specific affinity and the solvent-mediated influence also called the depletion force. The…

软凝聚态物质 · 物理学 2018-03-02 Julien Lam , James F. Lutsko
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