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Segmented Field OFFGEL® Electrophoresis

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Iridium dioxide electrodes form part of the dimensionally stable anodes (DSA®) and this electrode material is widely used in many industrial processes namely water electrolysis, metal electro-winning, cathodic protection and electro-organic synthesis due t ...

EPFL2010

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In this paper, the IrO2 electrode preparation technique consisting in thermal treatment of pure Ir in air was used in order to produce an IrO2-based microelectrode-array (TOIROF-MEA) with low capacitive background current. The TOIROF-MEA was characterized ...

Elsevier2010

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The tribocorrosion behavior of tungsten sliding against an alumina ball was evaluated in sulfuric acid under applied electrode potential. Surface chemistry of worn and unworn surfaces was evaluated using XPS and AES. Quasi-potentiostatic polarization curve ...

2009

Micromachined electrospray thrusters for spacecraft propulsion

Renato Krpoun

Micromachining has enabled the downscaling of large, massive and power hungry systems into small batch-produced integrated devices. Recent progress in electrospray thruster technology, in particular the discovery of an ionic emission mode using the ionic l ...

EPFL2009

Correcteur d'isochromisme pour échappement horloger et échappement muni d'un tel correcteur

Simon Nessim Henein, Philippe Schwab

The present invention provides an image forming apparatus (210) as well as a developing cartridge (240) for use in an image forming apparatus, wherein a contact plate of an electrode (247) of the developing catridge is disposed to contact a bias terminal ( ...

European Patent Office2009

Progress in recent years in the field of electrochromic displays based on viologen modified high-surface area TiO2 electrodes (Vio2+/TiO2) has moved the technol. towards commercialization. Viologen mols. (Vio2+), derivatized with phosphonic acid attachment ...

2008

On-column conductivity detection in capillary-chip electrophoresis

Hubert Girault

On-column conductivity detection in capillary-chip electrophoresis was achieved by actively coupling the high electric field with two sensing electrodes connected to the main capillary channel through two side detection channels. The principle of this conc ...

2007

Study of the electrochemical oxidation process of 3,4-(methylenedioxy)phenylmethanol in non-aqueous solvents

Fernando Cortes Salazar

The electrochemical oxidation of 3,4-(methylenedioxy)phenylmethanol (piperonyl alcohol) was characterized by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). Two electrochemical oxidation signals were found for piperonyl alcohol. T ...

Elsevier2007

Assembly and reactivity of nanoparticles at liquid / liquid interfaces

Bin Su

The interface between two immiscible electrolyte solutions (ITIES), or liquid|liquid interface, provides a defect-free junction for fundamental studies of adsorption phenomena, heterogeneous charge transfer reactions, and phase-formation processes. Recent ...

EPFL2006

This thesis presents the fabrication and design of an impedance imaging sensor, and its application to monitoring in-vitro skin culture. Three-dimensional tissue cultures are becoming increasingly important in biological and medical research. There is, how ...

EPFL2006