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Nanowires Networks for Biomolecular Detection using Contactless Impedance Tomoscopy Technique

Publications associées (34)

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Interactions and Reactivity at Liquid-Liquid Interfaces

Manuel Alejandro Méndez Agudelo

The interface between two immiscible electrolyte solutions (ITIES) provides a well-defined platform for fundamental studies of adsorption processes and molecular reactivity in general. Two bio-inspired systems are considered in the present work: adsorbed p ...

EPFL2011

Development of a contactless capacitive immunosensor

Brice Perruche

In the present work, a label-free, contactless and capacitive immunosensor is developed using impedance spectroscopy, in the aim to perform low-cost immunoassays. Chapter 1 puts this work in perspective with some existing techniques, while a presentation o ...

EPFL2011

Flexprint substrate enzyme sensor for determination of daily glucose-profiles for diabetic patients

Nico de Rooij, Peter Van der Wal

The goal is to develop a miniaturized system allowing continuous measurement of glucose concentration profiles over 24 hours for several days. The unique feature of the PharmaSens / IMT approach lies in the insertion mechanism and the needle size to assure ...

2011

Modified surface

Michael Graetzel, Shaik Mohammed Zakeeruddin, Péter Kalman Péchy

The present invention relates to modified surfaces. The surfaces comprise an inorganic material on which a phosphinic acid derivative is adsorbed. The phosphinic acid thus turns out to be a new anchoring group useful for surface derivatisation. The inventi ...

2010

Chip cleaning and regeneration for electrochemical sensor arrays

Sandro Carrara, Bruno Samori

Sensing systems based on electrochemical detection have generated great interest because electronic readout may replace conventional optical readout in microarray. Moreover, they offer the possibility to avoid labelling for target molecules. A typical elec ...

Elsevier2010

Electrochemical reactions and ionization processes

Hubert Girault, Niels Erik Lion, Liang Qiao, Michel Prudent, Hongyan Bi, Mélanie Abonnenc

Electrochemical or photo-electrochemical reactions in both electrospray ionization and laser desorption ionization are discussed stressing the role of the electrode reaction in influencing the ionization process. In particular, upon application of a high v ...

IM Publications2010

Adsorption monitoring device

Hubert Girault, Jean-Pierre Abid

A device for monitoring the adsorption of target molecules on a substrate, the device comprising a substrate (1), at least a portion of which is formed as a thin dielectric layer. A first, modified surface (2) of the layer has ionizable groups of the subst ...

2006

Supercapacitive Admittance Tomoscopy

Hubert Girault, Jean-Pierre Abid

A sensor for measuring adsorption on a substrate has been designed including a contactless detection scheme, called supercapacitive admittance tomoscopy (SCAT). The sensor comprises a thin dielectric layer with two parallel band electrodes on the one side ...

2005

Conductive SU8 Photoresist for Microfabrication

Philippe Renaud, Heinrich Hofmann, Arnaud Bertsch, Sébastien Jiguet

A conductive composite photoresist has been developed for the direct photopatterning of electrodes. It is based on a dispersion of silver nanoparticles in SU8, a non-conductive, negative-tone photoresist. Manufactured structures have an electrical conducti ...

2005

Cell-compatible array of three-dimensional tip electrodes for the detection of nitric oxide release

An array of electrodes on which cells could be grown directly was fabricated using silicon anisotropic etching and a thick-photoresist process and employed for the detection of nitric oxide (NO) released from a population of adherently growing human umbili ...

2005