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Related papers: Water diffusion in carbon nanotubes: interplay bet…

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Hypothesis:Diffusion in confinement is an important fundamental problem with significant implications for applications of supported liquid phases. However, resolving the spatially dependent diffusion coefficient, parallel and perpendicular…

The thermodynamics of adsorption of light alkanes and alkenes (CH4, C2H6, C2H4, C3H8, and C3H6) in single-walled carbon nanotube bundles is studied by configurational-bias grand canonical Monte Carlo simulation. The bundles consist of…

Mesoscale and Nanoscale Physics · Physics 2016-05-05 Fernando J. A. L. Cruz , José P. B. Mota

Water diffusion through membrane proteins is a key aspect of cellular function. Essential processes of cellular metabolism are driven by osmotic pressure, which depends on water channels. Membrane proteins such as aquaporins (AQPs) are…

Soft Condensed Matter · Physics 2021-11-03 Miguel A. Gonzalez , Alberto Zaragoza , Charlotte I. Lynch , Mark S. P. Sansom , Chantal Valeriani

Spherical confinement can alter the properties of a dipolar fluid in several different ways. In an atomistic molecular dynamics simulation study of two different dipolar liquids (SPC/E water and a model Stockmayer fluid) confined to…

Soft Condensed Matter · Physics 2019-04-12 Sayantan Mondal , Subhajit Acharya , Biman Bagchi

The mobility of water molecules confined in a silica pore is studied by computer simulation in the low hydration regime, where most of the molecules reside close to the hydrophilic substrate. A layer analysis of the single particle dynamics…

Statistical Mechanics · Physics 2009-11-10 P. Gallo , M. Rovere

With an ever-increasing interest in water properties, many intermolecular force fields have been proposed to describe the behavior of water. Unfortunately, good models for liquid water usually cannot provide simultaneously an accurate…

Chemical Physics · Physics 2023-03-08 Łukasz Baran , Wojciech Rżysko , Luis G. MacDowell

The mechanical properties of nanoconfined water layers are still poorly understood and continue to create considerable controversy, despite their importance for biology and nanotechnology. Here, we report on dynamic nanomechanical…

Soft Condensed Matter · Physics 2015-05-19 Shah H. Khan , George Matei , Shivprasad Patil , Peter M. Hoffmann

The interfacial thermal conductance (Kapitza conductance) between a TiO2 nanoparticle and water is investigated using transient non-equilibrium molecular dynamics. It is found that Kapitza conductance of TiO2 nanoparticles is one order of…

Materials Science · Physics 2023-04-14 Mahdi Roodbari , Mohsen Abbasi , Saeed Arabha , Ayla Gharedaghi , Ali Rajabpour

There is a long-standing question about the molecular configuration of interfacial water molecules in the proximity of solid surfaces, particularly carbon atoms which play a crucial role in electrochemistry and biology. In this study, the…

Statistical Mechanics · Physics 2021-03-03 Iman Ahmadabadi , Ali Esfandiar , Ali Hassanali , Mohammad Reza Ejtehadi

We utilized the momentum transfer(Q)-dependence of Quasi-Elastic Neutron Scattering (QENS) to reveal the dynamics of water and ethanol confined in Graphene Oxide (GO) powder or membranes at different temperatures and in different…

Soft Condensed Matter · Physics 2021-12-20 Gobin R. Acharya , Madhusudan Tyagi , Eugene Mamontov , Peter M. Hoffmann

The thermal transport properties of porous silicon and nano-hybrid "porous silicon/water" systems are presented here. The thermal conductivity was evaluated with equilibrium molecular dynamics technique for porous systems made of spherical…

Mesoscale and Nanoscale Physics · Physics 2020-12-03 Mykola Isaiev , Xiaorui Wang , Konstantinos Termentzidis , David Lacroix

Water shows numerous thermodynamic, dynamic, and structural anomalies. Recent experiments [Eichler et al. Phys. Rev. Lett. 134, 134101 (2025)], based on measurements of shear and bulk viscosities of liquid water up to 1.6 GPa, have reported…

Soft Condensed Matter · Physics 2026-01-27 José Martín-Roca , Alberto Zaragoza , Frédéric Caupin , Chantal Valeriani

The aim of the paper is the study of fluid mixtures in nanotubes by the methods of continuum mechanics. The model starts from a statistical distribution in mean-field molecular theory and uses a density expansion of Taylor series. We get a…

Fluid Dynamics · Physics 2018-08-01 Henri Gouin , Augusto Muracchini , Tommaso Ruggeri

Nanoconfinement can drastically change the behavior of liquids, puzzling us with counterintuitive properties. Moreover, it is relevant in applications, including decontamination and crystallization control. It still lacks a systematic…

Soft Condensed Matter · Physics 2022-07-01 Fabio Leoni , Carles Calero , Giancarlo Franzese

Molecular dynamics simulations of sorbates of different sizes confined to the interior of carbon nanotubes are reported. The mean squared displacement shows gradual change from diffusive for small sorbates to superdiffusive for intermediate…

Materials Science · Physics 2007-05-23 Shreyas Y. Bhide , Debashree Ghosh , S. Yashonath , G. Ananthakrishna

Studies of liquid water in its supercooled region have led to many insights into the structure and behavior of water. While bulk water freezes at its homogeneous nucleation temperature of approximately 235 K, for protein hydration water,…

Soft Condensed Matter · Physics 2015-03-13 Marco G. Mazza , Kevin Stokely , Sara E. Pagnotta , Fabio Bruni , H. Eugene Stanley , Giancarlo Franzese

We consider experimental data on the dynamics of water (1) in glass-forming aqueous mixtures with glass transition temperature Tg approaching the putative Tg=136 K of water from above and below, (2) in confined spaces of nanometer in size…

Statistical Mechanics · Physics 2015-05-28 S. Capaccioli , K. L. Ngai

Motivated by an experimental finding on the density of supercooled water at high pressure [O. Mishima, J. Chem. Phys. 133, 144503 (2010)] we performed atomistic molecular dynamics simulations study of bulk water in the isothermal-isobaric…

Soft Condensed Matter · Physics 2018-05-10 Solomon F. Duki , Mesfin Tsige

We present the results of molecular dynamics simulations of SPC/E water confined in a realistic model of a silica pore. The single-particle dynamics have been studied at ambient temperature for different hydration levels. The confinement…

Statistical Mechanics · Physics 2009-10-31 P. Gallo , M. Rovere , M. A. Ricci , C. Hartnig , E. Spohr

We perform molecular dynamic simulations of liquid nanoparticles deposited on a disordered substrate. The motion of the nanoparticle is characterised by a 'stick and roll' diffusive process. Long simulation times ($\simeq \mu s$), analysis…

Materials Science · Physics 2009-11-10 F. Celestini