Publications associées (20)

Low Temperature Indium-based Sealing of Microfabricated Alkali Cells for Chip Scale Atomic Clocks

Nico de Rooij, Yves Pétremand, Rahel Strässle

In this paper, the development of a low temperature bonding process focused on indium-based technology for microfabricated alkali cells is presented. The intended application is the use of these cells in chip scale atomic clocks. The existing technology is ...
2010

New Approaches towards Organic Photodetection and Bio-Integration

Diego Ghezzi

We demonstrate hybrid, solid-liquid photodiodes, using semiconducting conjugated polymers as active materials and ionic liquids as unconventional cathodes (water, saline solutions, physiological buffers, cell-culturing media). We give a complete opto-elect ...
2010

Basic principles of electrolyte chemistry for microfluidic electrokinetics. Part I: Acid-base equilibria and pH buffers

Alexandre Louis André Persat

We review fundamental and applied acid-base equilibrium chemistry useful to microfluidic electrokinetics. We present elements of acid-base equilibrium reactions and derive rules for pH calculation for simple buffers. We also present a general formulation t ...
Royal Society of Chemistry2009

Electrokinetic supercharging for highly efficient peptide preconcentration in capillary zone electrophoresis

Hubert Girault

Electrokinetic supercharging has been integrated in CZE for the development of a highly sensitive methodology for protein tryptic digest analysis. A careful choice of the experimental conditions led to sensitivity enhancement factors between 1000 and 10 00 ...
2008

Aqueous phase carbon dioxide and bicarbonate hydrogenation catalyzed by cyclopentadienyl ruthenium complexes

Paul Joseph Dyson, Gabor Laurenczy, Antoine Dorcier

The water-sol. ruthenium(II) complexes [Cp'RuX(PTA)2]Y and [CpRuCl(PPh3)(mPTA)]OTf (Cp' = Cp, Cp*, X = Cl and Y = nil; or X = MeCN and Y = PF6; PTA = 1,3,5-triaza-7-phosphaadamantane; mPTA = 1-methyl-1,3,5-triaza-7-phosphaadamantane) were used as catalyst ...
2007

Multi-gas sensing based on photoacoustic spectroscopy using tunable laser diodes

Luc Thévenaz, Jean-Philippe Besson

Multi-hydrogenated compounds detection based on photoacoustic (PA) spectroscopy is reported. Three near-infrared semiconductor lasers are used with a resonant PA cell operated in its first longitudinal mode to monitor methane, water vapour and hydrogen chl ...
Elsevier2004

Analysis of Lipoproteins by Capillary Zone Electrophoresis in Microfluidic Devices: Assey Development and Surfaces Roughness Measurements

Nico de Rooij

The development of a new assay for lipoproteins by capillary electrophoresis in fused-silica capillaries and in glass microdevices is described in this paper. The separation of low-density (LDL) and high-density (HDL) lipoproteins by capillary zone electro ...
2002

Electrophoretic separation of compounds

Hubert Girault, Joël Rossier

A device, method and kit for the electrophoretic separation and purification of charged and neutral compounds in an analyte solution. The device comprises a chamber (1), at least one wall of which is composed of a chemical buffering system (4). A potential ...
2001

Small-scale bioreactor system for process development and optimization

Florian Maria Wurm, Martin Jordan, Philippe Pierre Girard

An agitated 12-well microtiter plate system with a working volume of 2ml was investigated for cell culture process development. Agitation assures homogeneity in wells and enhances mass transfer between the gas and the liquid phase, thus improving maximum c ...
2001

Solar oxidation and removal of arsenic at circumneutral pH in iron containing waters

Urs von Gunten

An estimated 30-50 million people in Bangladesh consume groundwater with arsenic contents far above accepted limits. A better understanding of arsenic redox kinetics and simple water treatment procedures are urgently needed. We have studied thermal and pho ...
2001

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