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Osmosis plays a central role in the function of living and soft matter systems. While the thermodynamics of osmosis is well understood, the underlying microscopic dynamical mechanisms remain the subject of discussion. Unraveling these…

软凝聚态物质 · 物理学 2015-06-05 Thomas W. Lion , Rosalind J. Allen

Surfaces are able to control physical-chemical processes in multi-component solution systems and, as such, find application in a wide range of technological devices. Understanding the structure, dynamics and thermodynamics of non-ideal…

软凝聚态物质 · 物理学 2023-09-29 Aaron R. Finney , Matteo Salvalaglio

The twisted hexagonal boron nitride (hBN) bilayer has demonstrated exceptional properties, particularly the existence of electronic flat bands without needing a magic angle, suggesting strong excitonic effects. Therefore, a systematic…

The hydration thermodynamics of the GXG tripeptide relative to the reference GGG is often used to define the conditional hydration contribution of X. This quantity or the hydration thermodynamics of a small molecule analog of the side-chain…

生物物理 · 物理学 2013-11-07 Dheeraj Tomar , Valéry Weber , B. M. Pettitt , D. Asthagiri

Engineering the synthetic nanopores through lipid bilayer membrane to access the interior of a cell is a long persisting challenge in biotechnology. Here, we demonstrate the stability and dynamics of a tile-based 6-helix DNA nanotube (DNT)…

软凝聚态物质 · 物理学 2017-10-18 Himanshu Joshi , Prabal K. Maiti

While the surface charge of solid particles is a direct consequence of their synthesis, the one of suspended oil drops depends on the adsorption equilibrium of the surrounding molecules. The presence of salt raises the polarity of the water…

软凝聚态物质 · 物理学 2020-07-23 Daniela Diaz , Kareem Rahn-Chique , German Urbina-Villalba

We formulate a theory of electrostatic interactions in lipid bilayer membranes where both monolayer leaflets contain dissociable moieties that are subject to charge regulation. We specifically investigate the coupling between membrane…

软凝聚态物质 · 物理学 2022-04-01 Petch Khunpetch , Arghya Majee , Rudolf Podgornik

Polymer bottlebrushes provide intriguing features being relevant both in nature and in synthetic systems. While their presence in the articular cartilage optimizes synovial joint lubrication, bottlebrushes offer pathways for fascinating…

软凝聚态物质 · 物理学 2017-10-27 J. Paturej , T. Kreer

Even though the Dissipative Particle Dynamics (DPD) has shown its worth in a variety of research areas, it has been rarely used for polymer dynamics, particularly in dilute and semi-dilute conditions and under imposed flow fields. For such…

软凝聚态物质 · 物理学 2024-12-23 Sanjay Jana , Venkata Siva Krishna , Praphul Kumar , Indranil Saha Dalal

A stochastic model for the dynamics of enzymatic catalysis in explicit, effective solvents under physiological conditions is presented. Analytically-computed first passage time densities of a diffusing particle in a spherical shell with…

生物大分子 · 定量生物学 2015-06-04 Jeremy Schofield , Paul Inder , Raymond Kapral

We analyze a system of PDEs governing the interaction between two compressible mutually noninteracting fluids and a shell of Koiter type encompassing a time dependent 3D domain filled by the fluids. The dynamics of the fluids is modelled by…

偏微分方程分析 · 数学 2023-02-13 Martin Kalousek , Sourav Mitra , Šárka Nečasová

A mesoscopic theory for water-in-salt electrolytes combining density functional and field-theoretic methods is developed in order to explain the unexpectedly large period of the oscillatory decay of the disjoining pressure observed in…

软凝聚态物质 · 物理学 2021-09-29 Oksana Patsahan , Alina Ciach

Hybrid particle-field methods are computationally efficient approaches for modelling soft matter systems. So far applications of these methodologies have been limited to constant volume conditions. Here, we reformulate particle-field…

The wetting of soft polymer substrates brings in multiple complexities as compared to the wetting on rigid substrates. The contact angle of the liquid is no longer governed by Young's law, but is affected by the substrate's bulk and surface…

软凝聚态物质 · 物理学 2023-08-11 C. Henkel , M. H. Essink , Tuong Hoang , G. J. van Zwieten , E. H. van Brummelen , U. Thiele , J. H. Snoeijer

We study the stress distribution profiles and the height and thickness fluctuations of lipid membranes in the tilted gel state by Monte Carlo simulations of a generic coarse-grained model for lipid membranes, which reproduces many known…

软凝聚态物质 · 物理学 2010-02-24 Beate West , Friederike Schmid

The exceptional physicochemical properties and versatile biological activities of ionic liquids (ILs) have propelled their potential applications in various industries, including pharmaceuticals and green chemistry. However, their…

软凝聚态物质 · 物理学 2024-07-29 J. Gupta , V. K. Sharma , P. Hitaishi , H. Srinivasan , S. Kumar , S. K. Ghosh , S. Mitra

We report molecular dynamics simulations of a hydrophobic polymer-chain in aqueous solution between $260 {K}$ and $420 {K}$ at pressures of $1 {bar}$, $3000 {bar}$, and $4500 {bar}$. The simulations reveal a hydrophobically collapsed state…

软凝聚态物质 · 物理学 2017-09-13 Dietmar Paschek , Sascha Nonn , Alfons Geiger

Cononsolvency occurs when two miscible, competing good solvents for a polymer are mixed, resulting in a loss of solubility. In this study, we demonstrate through simulations, supported by theory, that cononsolvency can be driven solely by…

软凝聚态物质 · 物理学 2024-10-07 Hitesh Garg , Divya Nayar , Satyavani Vemparala

Liquid water is not only of obvious importance but also extremely intriguing, displaying many anomalies that still challenge our understanding of such an a priori simple system. The same is true when looking at nanoconfined water: The…

软凝聚态物质 · 物理学 2016-06-29 Jon Zubeltzu , Fabiano Corsetti , M. V. Fernandez-Serra , Emilio Artacho

The dependence of the structure of a phospholipid layer (DSPC and SOPC) adsorbed on a hydrosol substrate on the concentration of NaOH in a solution of 5-nm silica particles has been studied by X-ray reflectrometry with the use of…

软凝聚态物质 · 物理学 2015-12-07 Aleksey M. Tikhonov , Viktor E. Asadchikov , Yuri O. Volkov