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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…

Soft Condensed Matter · Physics 2015-06-15 Yuri S. Djikaev , Eli Ruckenstein

We develop a lattice-based Monte Carlo simulation method for charged mixtures capable of treating dielectric heterogeneities. Using this method, we study oil-water mixtures containing an antagonistic salt, with hydrophilic cations and…

Soft Condensed Matter · Physics 2017-11-29 Nikos Tasios , Sela Samin , René van Roij , Marjolein Dijkstra

Conformational transitions of flexible molecules, especially those driven by hydrophobic effects, tend to be hindered by desolvation barriers. For such transitions, it is thus important to characterize and understand the interplay between…

Soft Condensed Matter · Physics 2021-03-16 Debdas Dhabal , Zhitong Jiang , Amish J. Patel

Biological mixtures, such as the cellular cytoplasm, are composed of a large number of different components. From this heterogeneity, ordered mesoscopic structures emerge, such as liquid phases with controlled composition. These structures…

Biological Physics · Physics 2024-12-03 Rodrigo Braz Teixeira , Giorgio Carugno , Izaak Neri , Pablo Sartori

This work tests the statistical mechanical theory of hydrophobic interactions, isolates consequences of excluded volume interactions, and obtains B2 for those purposes. Cavity methods that are particularly appropriate for study of…

Biological Physics · Physics 2013-03-27 M. I. Chaudhari , S. Holleran , H. S. Ashbaugh , L. R. Pratt

The liquid-vapor critical behavior of water is strongly influenced by both ionic solutes and confinement. Molecular dynamics simulations of aqueous NaCl solutions using the TIP4P/2005 water model and the Madrid-2019 ion parameters reveal a…

Chemical Physics · Physics 2026-04-02 Mayank Sharma , Peter Virnau

The hydrophobic effect (HE) is commonly associated with the demixing of oil and water at ambient conditions and plays the leading role in determining the structure and stability of biomolecular assembly in aqueous solutions. On the…

Statistical Mechanics · Physics 2012-02-07 Aljaz Godec , Franci Merzel

We investigate the occurrence of waterlike thermodynamic and dynamic anomalous behavior in a one dimensional lattice gas model. The system thermodynamics is obtained using the transfer matrix technique and anomalies on density and…

Soft Condensed Matter · Physics 2015-03-11 Marco Aurélio A. Barbosa , Fernando Vito Barbosa , Fernando Albuquerque de Oliveira

As the beneficial effects of curcumin have often been reported to be limited to its small concentrations, we have undertaken a study to find the aggregation properties of curcumin in water by varying the number of monomers. Our molecular…

Biomolecules · Quantitative Biology 2015-06-22 Milan Kumar Hazra , Susmita Roy , Biman Bagchi

We consider a trapped repulsive one-dimensional (1D) Bose gas at very low temperature. In order to study the collective modes of this strongly interacting system, we use a hydrodynamic approach, where the gas is locally described by the…

Condensed Matter · Physics 2007-05-23 J. N. Fuchs , X. Leyronas , R. Combescot

Exploiting the first measurements of the same ion species in O+O collisons at RHIC and LHC, we propose an experimentally accessible observable to distinguish whether collective behaviour builds up through a hydrodynamic expansion of a…

High Energy Physics - Phenomenology · Physics 2025-03-18 Sören Schlichting , Clemens Werthmann

In this paper, we first develop a mathematical model for long-range, hydrophobic attraction between amphiphilic particles. The non-pairwise interactions follow from the first variation of a hydrophobic attraction domain functional. The…

Numerical Analysis · Mathematics 2019-07-19 Szu-Pei P. Fu , Rolf J. Ryham , Andreas Klöckner , Matt Wala , Shidong Jiang , Yuan-Nan Young

Hydrophobic hydration plays a crucial role in self-assembly processes over multiple length-scales, but the extrapolation of molecular-scale models to larger length-scale hydration phenomena is sometimes not warranted. Scaled-particle…

Biological Physics · Physics 2007-05-23 Henry S. Ashbaugh , Lawrence R. Pratt

We present a theory of nonionic solutes in a mixture solvent composed of water-like and alcohol-like species. First, we show relationship among the solvation chemical potential, the partial volumes $v_i$, the Kirkwood-Buff integrals, the…

Soft Condensed Matter · Physics 2018-08-01 Ryuichi Okamoto , Akira Onuki

The liquid-vapour phase transition near a weakly attractive surface is studied by simulations of the coexistence curves of water in hydrophobic pores. There is a pronounced gradual density depletion of the liquid phase near the surface…

Statistical Mechanics · Physics 2009-11-10 I. Brovchenko , A. Geiger , A. Oleinikova

The physics of air-water interfaces plays a central role in modern theories of the hydrophobic effect. Implementing these theories, however, has been hampered by the difficulty of addressing fluctuations in the shape of such soft…

Statistical Mechanics · Physics 2016-05-27 Suriyanarayanan Vaikuntanathan , Phillip L Geissler

A model of protein-ligand binding kinetics in which slow solvent dynamics results from hydrophobic drying transitions is investigated. Molecular dynamics simulations show that solvent in the receptor pocket can fluctuate between wet and dry…

Soft Condensed Matter · Physics 2013-09-09 Jagannath Mondal , Joseph A. Morrone , B. J. Berne

Effect of confinement on the liquid-liquid transition of water are studied by simulations in the Gibbs ensemble. Upon cooling along the liquid-vapor coexistence curve, confined water undergoes transition from normal to strongly tetrahedral…

Soft Condensed Matter · Physics 2007-05-23 Ivan Brovchenko , Alla Oleinikova

Bulk water presents a large number of crystalline and amorphous ices. Hydrophobic nanoconfinement is known to affect the tendency of water to form ice and to reduce the melting temperature. However, a systematic study of the ice phases in…

Soft Condensed Matter · Physics 2011-02-15 Oriol Vilanova , Giancarlo Franzese

In this paper we consider the effect of surface heterogeneity on the slippage of fluid, using two complementary approaches. First, MD simulations of a corrugated hydrophobic surface have been performed. A dewetting transition, leading to a…

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