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Development of new volcano-shaped microelectrodes for single cell electrochemistry, electrophysiology and impedance studies.

Related publications (38)

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Light-Evoked Modulation of Neuronal Activity with Conjugated Polymers

Diego Ghezzi, Mattia Nova

Organic bioelectronics aims at the intimate integration between organic materials and biological tissues in order to obtain a targeted functional outcome. In the last decades, conductive polymers have been successfully employed to interface excitable cells ...

2015

Photo-Ionic Cells: Two Solutions to Store Solar Energy and Generate Electricity on Demand

Hubert Girault, Pekka Eero Peljo, Manuel Alejandro Méndez Agudelo, Heron Vrubel, Micheal Diarmaid Scanlon

A solar energy conversion concept based on the photo-induced separation of a pair of redox species in a biphasic liquid cell is presented. The redox pair is subsequently discharged in an electrochemical flow cell to generate electricity. To illustrate this ...

Amer Chemical Soc2014

Electrochemical As(III) Whole-Cell Based Biochip Sensor

Hubert Girault, Fernando Cortes Salazar

The development of a whole-cell based sensor for arsenite detection coupling biological engineering and electrochemical techniques is presented. This strategy takes advantage of the natural Escherichia coli resistance mechanism against toxic arsenic specie ...

Elsevier2013

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This paper reports a novel design of a miniaturized three-electrode electrochemical cell, the purpose of which is aimed at generating drug metabolites with a high conversion efficiency. The working electrode and the counter electrode are placed in two sepa ...

Amer Chemical Soc2012

Multiwalled Carbon-Nanotube-Functionalized Microelectrode Arrays Fabricated by Microcontact Printing: Platform for Studying Chemical and Electrical Neuronal Signaling

Michele Giugliano, Luca Gambazzi

A facile method is proposed for the deposition of multiwalled carbon nanotube (MWCNT) layers onto microelectrode arrays by means of a microcontact printing technique, leading to the fabrication of MEAs characterized by well defined electrical and morpholog ...

2011

Improved electrode

Michael Graetzel, Nicolas Tétreault, Jérémie Minh-Châu Brillet

The present invention provides a generic electrode for photovoltaics, water splitting cells or any electro-chemical device where a three-dimensional transparent conductive backbone provides efficient charge extraction and can support an active guest materi ...

2011

Recently, CMOS-based microelectrode arrays containing a high-density of electrodes have emerged as a tool enabling recording the extracellular neural electrical activity of cell cultures at subcellular resolution. However, several improvements in areas suc ...

EPFL2010

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

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2010

A cell-electrode interface noise model for high-density microelectrode arrays

Alexandre Schmid, Yusuf Leblebici, Neil Joye

A cell-electrode interface noise model is developed which is dedicated to enable the co-simulation of the cell-electrode electrical characteristics, along with the electronics of novel CMOS-based MEA. The electrode noise is investigated for Pt and Pt black ...

IEEE2009