Publications related to Micro- or nanostructured optical element

Comparative Molecular Simulation Study of CO2/N2 and CH4/N2 Separation in Zeolites and Metal-Organic Frameworks

In this work, a systematic molecular simulation study was performed to compare the separation of CO2/N2 and CH4/N2 mixtures in two different classes of nanoporous materials, zeolites, and metal‚àíorganic frameworks (MOFs). For this purpose, three zeolites ...

2009

Towards a LED based on a photonic crystal nanocavity for single photon sources at telecom wavelength

Romuald Houdré, Laurent Balet, Nicolas Le Thomas, Blandine Alloing, Carl Zinoni

A fundamental step towards achieving an "on demand" single photon source would be the possibility of electrical pumping for a single QD and thus the integration of such a device in an opto-electronic circuit. In this work we describe the fabrication proces ...

Elsevier2008

Superwetting nanowire membranes for selective absorption

Francesco Stellacci

The construction of nanoporous membranes is of great technological importance for various applications, including catalyst supports, filters for biomolecule purification, environmental remediation and seawater desalination(1-3). A major challenge is the sc ...

2008

In situ fabrication of a polyacrylamide membrane in a microfluidic channel

Martinus Gijs, Virendra Kumar Parashar, Jean-Baptiste Robert Orhan

We present a novel technological approach for the in situ realization of a micron-thin poly-acrylamide membrane in the center of a microfluidic channel. The membrane is formed by interfacial polymerization of an inner stream of monomer solution in between ...

2008

Spontaneous $ Na ^{ + } $ Transients in Individual Mitochondria of Intact Astrocytes

Michaël Unser, Dimitri Nestor Alice Van De Ville, Jean-Yves Chatton

Mitochondria in intact cells maintain low

Na ^{ + }

levels despite the large electrochemical gradient favoring cation influx into the matrix. In addition, they display individual spontaneous transient depolarizations. We report here that individual mit ...

Wiley-Liss2008

Fluid-structure partitioned procedures based on Robin transmission conditions

Fabio Nobile, Christian Vergara

In this article we design new partitioned procedures for fluid-structure interaction problems, based on Robin-type transmission conditions. The choice of the coefficient in the Robin conditions is justified via simplified models. The strategy is effective ...

Elsevier2008

Computer simulation of uranyl uptake by the rough lipopolysaccharide membrane of pseudomonas aeruginosa

Matteo Guglielmi

Heavy metal environmental contaminants cannot be destroyed but require containment, preferably in concentrated form, in a solid or immobile form for recycling or final disposal. Microorganisms are able to take up and deposit high levels of contaminant meta ...

2008

Reusability of nanostencils for the patterning of Aluminum nanostructures by selective wet etching

Jürgen Brugger, Luis Guillermo Villanueva Torrijo, Andreea Veronica Savu, Marc Antonius Friedrich van den Boogaart, Oscar Vazquez Mena

One of the major advantages of stencil lithography is the possibility to use stencils many times. However, when stencils contain nanoapertures, the clogging of the membranes limits the useful life time of the stencils. The clogging is due to the accumulati ...

Elsevier2008

Numerical simulation and optimization of multi-step batch membrane processes

A simple numerical technique is presented for batch membrane filtration design. The underlying model accounts for variable solute rejection coefficients, and it has a modular structure which permits to easily describe the batch process involving different ...

2008

Optimization of mixed conducting perovskites for the application in dense ceramic oxygen separation membranes, used in partial oxidation of natural gas to synthesis gas

Jan Van Herle, Stefan Diethelm, Defne Bayraktar

The aim in this project was the optimization of LaFeO3-based perovskite materials for oxygen separation membranes (OSM). The work was carried out by the Laboratory for High Performance Ceramics, Empa in collaboration with the Laboratory for Industrial Ener ...

2007

Micro- or nanostructured optical element

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Comparative Molecular Simulation Study of CO2/N2 and CH4/N2 Separation in Zeolites and Metal-Organic Frameworks

Towards a LED based on a photonic crystal nanocavity for single photon sources at telecom wavelength

Superwetting nanowire membranes for selective absorption

In situ fabrication of a polyacrylamide membrane in a microfluidic channel

Spontaneous $ Na ^{ + } $ Transients in Individual Mitochondria of Intact Astrocytes

Fluid-structure partitioned procedures based on Robin transmission conditions

Computer simulation of uranyl uptake by the rough lipopolysaccharide membrane of pseudomonas aeruginosa

Reusability of nanostencils for the patterning of Aluminum nanostructures by selective wet etching

Numerical simulation and optimization of multi-step batch membrane processes

Optimization of mixed conducting perovskites for the application in dense ceramic oxygen separation membranes, used in partial oxidation of natural gas to synthesis gas

Computer simulation of uranyl uptake by the rough lipopolysaccharide membrane of pseudomonas aeruginosa

Numerical simulation and optimization of multi-step batch membrane processes

Towards a LED based on a photonic crystal nanocavity for single photon sources at telecom wavelength

Superwetting nanowire membranes for selective absorption

In situ fabrication of a polyacrylamide membrane in a microfluidic channel

Comparative Molecular Simulation Study of CO2/N2 and CH4/N2 Separation in Zeolites and Metal-Organic Frameworks

Fluid-structure partitioned procedures based on Robin transmission conditions

Spontaneous $ Na ^{ + } $ Transients in Individual Mitochondria of Intact Astrocytes

Optimization of mixed conducting perovskites for the application in dense ceramic oxygen separation membranes, used in partial oxidation of natural gas to synthesis gas

Reusability of nanostencils for the patterning of Aluminum nanostructures by selective wet etching