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Related papers: Water permeability in nanopores: when size, shape,…

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We study the effect of volumetric constraints on the structure and electronic transport properties of distilled water in a nanopore with embedded electrodes. Combining classical molecular dynamics simulations with quantum scattering theory,…

Soft Condensed Matter · Physics 2014-01-30 P. Boynton , M. Di Ventra

Direct observations of the surface and shape of model nano-colloidal gels associated with measurements of the spatial distribution of water content during drying show that air starts to significantly penetrate the sample when the material…

Materials Science · Physics 2015-11-11 J Thiery , Stéphane Rodts , E Keita , Xavier Chateau , P Faure , D Courtier-Murias , T Kodger , P Coussot

The integration of the coupling effects of intrinsic wettability and surface charge in a nanochannel can cause non-intuitive behavior in the electrokinetic energy conversion processes. We demonstrate that in a nanofluidic device the energy…

Fluid Dynamics · Physics 2015-11-12 Chirodeep Bakli , Suman Chakraborty

Water transport through graphene-derived membranes has gained much interest recently due to its promising potential in filtration and separation applications. In this work, we explore water permeation in graphene oxide membranes using…

Mesoscale and Nanoscale Physics · Physics 2014-06-05 Ning Wei , Xinsheng Peng , Zhiping Xu

Vesicles self-assembled from amphiphilic diblock copolymers exhibit a wide diversity of behavior upon electroporation, due to competitions between edge, surface and bending energies that drive the system, while different viscous dissipation…

Soft Condensed Matter · Physics 2009-11-07 Harry Bermudez , Helim Aranda-Espinoza , Daniel A. Hammer , Dennis E. Discher , .

Nanoswimmers are ubiquitous in bio- and nano-technology but are extremely challenging to measure due to their minute size and driving forces. A simple method is proposed for detecting the elusive physical features of nanoswimmers by…

Biological Physics · Physics 2022-12-28 Ashwani Kr. Tripathi , Tsvi Tlusty

In this article we investigate through molecular dynamics simulations the diffusion behavior of the TIP4P/2005 water when confined in pristine and deformed carbon nanotubes (armchair and zigzag). To analyze different diffusive mechanisms,…

Soft Condensed Matter · Physics 2021-02-03 Bruno H. S. Mendonça , Patricia Ternes , Evy Salcedo , Alan B. de Oliveira , Marcia C. Barbosa

Nanoporous materials provide high surface area per unit mass and are capable of fluids adsorption. While the measurements of overall amount of fluid adsorbed by a nanopororus sample are straightforward, probing the fluid spacial…

Geophysics · Physics 2018-02-20 Boris Gurevich , Michel M. Nzikou , Gennady Y. Gor

The orientation of water molecules is the key factor for the fast transport of water in small nanotubes. It has been accepted that the bidirectional water burst in short nanotubes can be transformed into unidirectional transport when the…

Computational Physics · Physics 2020-08-13 Le Jin , Depeng Zhang , Yu Zhu , Xinrui Yang , Yi Gao , Zhigang Wang

We use molecular dynamics simulations to study the diffusion of water inside deformed carbon nanotubes with different degrees of deformation at 300 K. We found that the number of hydrogen bonds that water forms depends on nanotube topology,…

Soft Condensed Matter · Physics 2020-01-16 Bruno H. S. Mendonça , Patricia Ternes , Evy Salcedo , Alan B. de Oliveira , Marcia C. Barbosa

Using molecular dynamic simulations we show that single-layers of molybdenum disulfide (MoS$_2$) and graphene can effectively reject ions and allow high water permeability. Solutions of water and three cations with different valence…

Soft Condensed Matter · Physics 2018-03-14 Mateus Henrique Köhler , José Rafael Bordin , Marcia C. Barbosa

The freshwater crisis is a growing concern and a pressing problem for the world because of the increasing population, civilization, and rapid industrial growth. The water treatment facilities are able to supply less than 1% of the total…

Soft Condensed Matter · Physics 2023-11-28 Nudrat Nawal , Md Rashed Nizam , Priom Das , A K M Monjur Morshed

We perform ab initio density functional calculations to study the flow of water, methanol and dimethyl ether through nanotubes of carbon and boron nitride with different diameters and chiralities. The liquids we choose are important…

Materials Science · Physics 2021-07-01 Andrii Kyrylchuk , David Tománek

Scaling of the behavior of a nanodevice means that the device function (selectivity) is a unique smooth and monotonic function of a scaling parameter that is an appropriate combination of the system's parameters. For the uniformly charged…

Mesoscale and Nanoscale Physics · Physics 2021-05-05 Zsófia Sarkadi , Dávid Fertig , Zoltán Ható , Mónika Valiskó , Dezső Boda

A model for gas nanobubbles is proposed in which their remarkable stability is explained as due to the presence of a qualitatively different form of water covering the nanobubble surface layer which leads to a reduction of the diffusion…

Mesoscale and Nanoscale Physics · Physics 2014-10-15 Siddhartha Sen , Kumar S. Gupta

Nanoporous carbon composite membranes, comprising a layer of porous carbon fiber structures with an average channel width of 30-60 nm grown on a porous ceramic substrate, are found to exhibit robust desalination effect with high freshwater…

Materials Science · Physics 2016-04-27 Wei Chen , Shuyu Chen , Qiang Zhang , Zhongli Fan , Kuo-Wei Huang , Xixiang Zhang , Zhiping Lai , Ping Sheng

The object of this article is to review the development of ultrahigh-density, nanoscale data storage, i.e., nanostorage. As a fundamentally new type of storage system, the recording mechanisms of nanostorage may be completely different to…

Materials Science · Physics 2007-05-23 J. C. Li

This article discusses the way the standard description of capillary filling dynamics has to be modified to account for liquid/solid slip in nanometric pores. It focuses in particular on the case of a large slip length compared to the pore…

Soft Condensed Matter · Physics 2011-12-07 Laurent Joly

The fluidic behavior of water at the micro/nano scale is studied by using of single DNA molecules as a model system. Stable curved DNA patterns with spans about one micron were generated by using of water flows, and observed by Atomic Force…

Biological Physics · Physics 2007-05-23 Yi Zhang , Huabing Li , Xiaoling Lei , Junhong Lv , Xiaobai Ai , Hu Jun , Shiyi Chen , Fang Haiping

We present a coarse-grained model for ionic surfactants in explicit aqueous solutions, and study by computer simulation both the impact of water content on the morphology of the system, and the consequent effect of the formed interfaces on…

Soft Condensed Matter · Physics 2015-03-16 Samuel Hanot , Sandrine Lyonnard , Stefano Mossa