Publications related to Semipermeable membrane

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

Silicon nanostructuring for 3D bulk silicon versatile devices

Mihai Adrian Ionescu, Matthieu Bopp

A fabrication method for silicon beams and membranes defined in lateral and vertical dimensions, as well as superposed silicon membranes, all realized in bulk silicon using only one lithographic step is proposed. This proposal is based on observations made ...

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

Pore formation: an ancient yet complex form of attack

Françoise Gisou van der Goot Grunberg, Mircea Ioan Iacovache

Bacteria, as well as higher organisms such as sea anemones or earthworms, have developed sophisticated virulence factors such as the pore-forming toxins (PFTs) to mount their attack against the host. One of the most fascinating aspects of PFTs is that they ...

2008

Single molecule imaging of odorant receptors in supported planar lipid membranes

Theo Lasser, Marcel Leutenegger, Iwan Märki

Odorant receptors are an excellent example of natural superiority in binding specific small and hydrophobic molecules. Difficulties in expression, isolation and solubilisation of these receptors have been overcome recently by in vitro synthesis and incorpo ...

2008

Proteome analysis of the plasma membrane of Mycobacterium tuberculosis

Stewart Cole

The plasma membrane of Mycobacterium tuberculosis is likely to contain proteins that could serve as novel drug targets, diagnostic probes or even components of a vaccine against tuberculosis. With this in mind, we have undertaken proteome analysis of the m ...

2008

Cellular dynamics explored with digital holographic microscopy

Benjamin Rappaz

Obtaining high resolution 3D quantitative images is critical for elucidating the relationship between cell dynamics and physiological or pathological processes. However the feasibility of such cellular dynamic studies is limited by the resolution of the 3D ...

EPFL2008

Imaging of G protein-coupled receptors in solid- supported planar membranes at the single molecule level

Theo Lasser, Marcel Leutenegger

Odorant receptors are an excellent example of natural superiority in specifically binding specific, small and hydrophobic molecules. They are of particular interest in the development of a sensor platform for G protein- coupled receptors (GPCRs). Odorant r ...

SPIE2008

Infrared scanning near-field optical microscopy investigates order and clusters in model membranes

Giorgio Margaritondo, Johanna Generosi

Due to its surface sensitivity and high spatial resolution, scanning near-field optical microscopy (SNOM) has a significant potential to study the lateral organization of membrane domains and clusters. Compared to other techniques, infrared near-field micr ...

2008

Imaging of G protein-coupled receptors in solid-supported planar membranes at the single molecule level

Theo Lasser, Marcel Leutenegger

Odorant receptors are an excellent example of natural superiority in binding specific, small and hydrophobic molecules, and therefore are of particular interest in the development of a sensor platform for G protein-coupled receptors (GPCRs). Odorant recept ...

2008

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In situ fabrication of a polyacrylamide membrane in a microfluidic channel

Silicon nanostructuring for 3D bulk silicon versatile devices

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

Pore formation: an ancient yet complex form of attack

Single molecule imaging of odorant receptors in supported planar lipid membranes

Proteome analysis of the plasma membrane of Mycobacterium tuberculosis

Cellular dynamics explored with digital holographic microscopy

Imaging of G protein-coupled receptors in solid- supported planar membranes at the single molecule level

Infrared scanning near-field optical microscopy investigates order and clusters in model membranes

Imaging of G protein-coupled receptors in solid-supported planar membranes at the single molecule level

Silicon nanostructuring for 3D bulk silicon versatile devices

In situ fabrication of a polyacrylamide membrane in a microfluidic channel

Pore formation: an ancient yet complex form of attack

Single molecule imaging of odorant receptors in supported planar lipid membranes

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

Cellular dynamics explored with digital holographic microscopy

Proteome analysis of the plasma membrane of Mycobacterium tuberculosis

Imaging of G protein-coupled receptors in solid- supported planar membranes at the single molecule level

Infrared scanning near-field optical microscopy investigates order and clusters in model membranes

Imaging of G protein-coupled receptors in solid-supported planar membranes at the single molecule level