Topology of evolving pore networks

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Optical projection tomography for whole organ imaging

David Nguyen

In the past twenty years, far-reaching studies of molecular and cellular processes have reached a milestone in their maturation, and the knowledge from these studies was ready to apply at higher organizational levels. At that time, rodent models were long ...

EPFL2019

Relation between a heterogeneous percolation model for cylinders and phase separation in the lattice fluid problem

Claudio Grimaldi

A relationship based upon analogy is explored between (i) a lattice-based model for percolation by cylinders that employs distinct site types with unequal occupation probabilities in order to capture heterogeneities in the particle dispersion, and (ii) the ...

2018

Transport characteristics of saturated gas diffusion layers treated with hydrophobic coatings

Sophia Haussener, Seyedmohamad Moosavi, Mathias Raphaël Niffeler

Water flooding of cathodic gas diffusion layers (GDLs) in proton-exchange membrane fuel cells at high current densities or low temperatures limits efficient operation due to disturbed transport of reactants to the catalytic sites or products away into the ...

Elsevier2018

Electrochemical Imaging of Cells and Tissues

Hubert Girault, Tzu-En Lin, Andreas Stephan Lesch

The technological and experimental progress in electrochemical imaging of biological specimens is discussed with a view on potential applications for skin cancer diagnostics, reproductive medicine and microbial testing. The electrochemical analysis of sing ...

2018

Pressure-dependent elastic and transport properties of porous and permeable rocks: Microstructural control

Lucas Xan Pimienta, Christian David

Although several studies aimed at linking electrical and hydraulic transport properties in rocks, the existing models remain at most incomplete. Based on this observation, in addition to the transport properties, this contribution investigates the pressure ...

Amer Geophysical Union2017

Damage cluster distributions in numerical concrete at the mesoscale

Jean-François Molinari, Okan Yilmaz

We investigate the size distribution of damage clusters in concrete under uniaxial tension loading conditions. Using the finite-element method, the concrete is modeled at the mesoscale by a random distribution of elastic spherical aggregates within an elas ...

Amer Physical Soc2017

Host-guest chemistry with water-soluble gold nanoparticle supraspheres

Francesco Stellacci, Benjamin Timothée Nicolas Le Ouay

The uptake of molecular guests, a hallmark of the supramolecular chemistry of cages and containers, has yet to be documented for soluble assemblies of metal nanoparticles. Here we demonstrate that gold nanoparticle-based supraspheres serve as a host for th ...

Nature Publishing Group2017

From closed testaments to books: Virtual X-ray Reading as an alternate digitization technology for fragile documents

Giorgio Margaritondo, Demetri Psaltis, Fauzia Albertin

In recent years, research and technology made considerable progress in increasing the speed and the safety of the entire digitization process of ancient collections. Despite this, imaging ancient, fragile or un-opened documents remains a formidable challen ...

Soc Imaging Science & Technology2017

Predicting the yield stress of paraffin-wax suspensions

Paul Bowen

An empirical modification of the Yodel model was developed for the prediction of the yield stress of concentrated, particulate, paraffin-wax suspensions, with a solids loading in the range of 47-57 vol.%, used in the low-pressure injection moulding (LPIM). ...

Elsevier2016

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