A dynamic-relaxation formulation for analysis of cable structures with sliding-induced friction

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Publications associées (32)

Transient domains of ordered water induced by divalent ions lead to lipid membrane curvature fluctuations

Sylvie Roke, Orly Bagunu Tarun, Halil Ibrahim Okur

Cations influence the electrostatic, chemical and mechanical properties of lipid bilayers. Here, label-free second harmonic microscopy shows that cation-induced transient ordering of water also plays a role in driving membrane curvature fluctuations, linki ...

NATURE PUBLISHING GROUP2020

Emergence of self-affine surfaces during adhesive wear

Jean-François Molinari, Ramin Aghababaei, Enrico Milanese, Tobias Brink

Friction and wear depend critically on surface roughness and its evolution with time. An accurate control of roughness is essential to the performance and durability of virtually all engineering applications. At geological scales, roughness along tectonic ...

Nature Research2019

Dynamic Imaging of Lipid Membranes by Means of Water

Orly Bagunu Tarun

Lipid membranes are self-assembled structures whose composition determines the properties of membranes of cells and organelles. The molecular level understanding of lipid membranes is based on spectroscopy and MD simulations of lipid monolayer systems. As ...

EPFL2019

Chemistry of Lipid Membranes from Models to Living Systems: A Perspective of Hydration, Surface Potential, Curvature, Confinement and Heterogeneity

Sylvie Roke, Orly Bagunu Tarun, Halil Ibrahim Okur

Lipid membranes provide diverse and essential functions in our cells relating to transport, energy harvesting and signaling. This variety of functions is controlled by the molecular architecture, such as the presence of hydrating water, specific chemical c ...

2019

Light-Enhanced Blue Energy Generation Using MoS2 Nanopores

Andras Kis, Aleksandra Radenovic, Michael Graf, Martina Lihter, Dmitrii Unuchek, Aditya Sarathy

Blue energy relies on the chemical potential difference between solutions of high and low ionic concentrations, potentially providing an independent energy source at estuaries around the world. The energy conversion relies on reverse electrodialysis via io ...

2019

Membrane water for probing neuronal membrane potentials and ionic fluxes at the single cell level

Pierre Magistretti, Pascal Jourdain, Sylvie Roke, Marie Eve Pascale Didier, Orly Bagunu Tarun

Neurons communicate through electrochemical signaling within a complex network. These signals are composed of changes in membrane potentials and are traditionally measured with the aid of (toxic) fluorescent labels or invasive electrical probes. Here, we d ...

Nature Publishing Group2018

Label-free and charge-sensitive dynamic imaging of lipid membrane hydration on millisecond time scales

Sylvie Roke, Orly Bagunu Tarun

Biological membranes are highly dynamic and complex lipid bilayers, responsible for the fate of living cells. To achieve this function, the hydrating environment is crucial. However, membrane imaging typically neglects water, focusing on the insertion of p ...

2018

Modeling tribocorrosion of passive metals - A review

Stefano Mischler, Shoufan Cao

Tribocorrosion is a material degradation phenomenon resulting from interactive effects between wear and corrosion. It is commonly found in engineering applications (e.g. biomedical implants and marine equipment) which involve relative motion of contacting ...

PERGAMON-ELSEVIER SCIENCE LTD2018

HTS high current cable for fusion application

Nikolay Bykovskiy

State-of-the-art magnets of fusion devices, which are based on low temperature superconductors (LTS), have almost reached their technological limits in terms of generated magnetic fields. Further progress can be made using novel high temperature supercondu ...

EPFL2017

Characterization of the interface of binary mixed DOPC:DOPS liposomes in water: The impact of charge condensation

Sylvie Roke, Cornelis Ulrich Lütgebaucks, Carlos Alberto Macias Romero

Solutions of liposomes composed of binary mixtures of anionic dioleoylphosphatidylserine (DOPS) and zwitterionic dioleoylphosphatidylcholine (DOPC) are investigated with label-free angle-resolved (AR) second harmonic scattering (SHS) and electrophoretic mo ...

2017

Elastic and dynamic properties of membrane phase-field models

Ignacio Pagonabarraga Mora

Phase-field models have been extensively used to study interfacial phenomena, from solidification to vesicle dynamics. In this article, we analyze a phase-field model that captures the relevant physical features that characterize biological membranes. We s ...

Springer2017

Experimental Characterization of the Response of an Electrical and Communication Raceway to IEMI

Farhad Rachidi-Haeri, Marcos Rubinstein, Nicolas Mora Parra

This paper reports the results of two experimental campaigns aimed at studying the high-frequency response of a raceway containing low voltage power, telephone, and Ethernet cables, to external electromagnetic field illumination. The raceway was tested aga ...

Institute of Electrical and Electronics Engineers2016

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