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Philippe Renaud

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Publications associées (301)

Instrumented Knee Prosthesis for Force and Kinematics Measurements

Steve Tanner, Kamiar Aminian, Philippe Renaud, Catherine Dehollain, Arnaud Bertsch, Peter Ryser, Eric Meurville, Pierre-André Farine, Oguz Atasoy, Brigitte Jolles-Haeberli, Arash Arami, Willyan Hasenkamp Carreira, Shafqat Ali, Matteo Simoncini

In this work, we present the general concept of an instrumented smart knee prosthesis for in-vivo measurement of forces and kinematics. This system can be used for early monitoring of the patient after implantation and prevent possible damage to the prosth ...

Ieee-Inst Electrical Electronics Engineers Inc2013

Bioreporters and biosensors for arsenic detection. Biotechnological solutions for a world-wide pollution problem

Philippe Renaud, Nina Buffi

A wide variety of whole cell bioreporter and biosensor assays for arsenic detection has been developed over the past decade. The assays permit flexible detection instrumentation while maintaining excellent method of detection limits in the environmentally ...

Elsevier2013

Nafion/chitosan-wrapped CNT nanocomposite membrane for high-performance direct methanol fuel cells

Philippe Renaud, Arnaud Bertsch, Songmei Wu, Fatemeh Sadat Majedi, Mohammad Mahdi Hasani-Sadrabadi

Here we show that the transport properties and electrochemical performance of polyelectrolyte membranes are improved through the dispersion of chitosan-wrapped carbon nanotubes, for direct methanol fuel cell applications. Methanol permeability is reduced v ...

Royal Soc Chemistry2013

Long-term in vivo impedance changes of subretinal microelectrodes implanted in dystrophic P23H rats

Philippe Renaud, Olof Pontus Linderholm

Retinal prostheses are being developed to restore vision in blind patients with photoreceptor degeneration. Electrodes arrays were subretinally implanted in transgenic P23H rats with their photoreceptors degenerated. Electrical stability of the implants wa ...

Wichtig Editore2013

Application of micro-channel cooling to the local thermal management of detectors electronics for particle physics

Philippe Renaud, Alessandro Mapelli, Giulia Romagnoli, Andrea Francescon

Micro-channel cooling is gaining considerable attention as an alternative technique for cooling of high energy physics detectors. This is of particular interest for future trackers, where large silicon surfaces are involved and the amount of material cross ...

Elsevier2013

Dielectrophoresis of lambda-DNA using 3D carbon electrodes

Philippe Renaud, Rodrigo Martinez Duarte

Carbon electrodes have recently been introduced as an alternative to metal electrodes and insulator structures for dielectrophoretic applications. Here, an experimental and theoretical study employing an array of 3D carbon electrodes contained in a microfl ...

Wiley-Blackwell2013

Optimizing Parylene C Adhesion for MEMS Processes: Potassium Hydroxide Wet Etching

Philippe Renaud, Martha Liley, Herbert Keppner, Joanna Katarzyna Bitterli, Olha Sereda

Parylenes are used for a wide range of applications in microelectromechanical systems (MEMS) devices. However, their poor adhesion in a harsh liquid environment can limit the fabrication processes of complex MEMS and bioMEMS devices. Potassium hydroxide (K ...

Institute of Electrical and Electronics Engineers2013

Remotely powered implantable heart monitoring system for freely moving animals

Philippe Renaud, Catherine Dehollain, Harald Van Lintel, Enver Gürhan Kilinç, Franco Maloberti, Alejandro Coronado Moya

This paper presents a remotely powered implantable heart monitoring system for freely moving animals. The system measures the blood pressure in the left ventricle of the heart and transmits the data to a database unit. The implanted unit is remotely powere ...

IEEE2013

A microfluidic approach to synthesizing high-performance microfibers with tunable anhydrous proton conductivity

Philippe Renaud, Arnaud Bertsch, Fatemeh Sadat Majedi, Mohammad Mahdi Hasani-Sadrabadi, Jules John Vandersarl

Here, we demonstrate a new approach for the synthesis of ion exchange microfibers with finely tuned anhydrous conductivity. This work presents microfluidics as a system to control the size and phosphoric acid (PA) doping level of the polybenzimidazole (PBI ...

Royal Society of Chemistry2013

Advances in the design of macroporous polymer scaffolds for potential applications in dentistry

Philippe Renaud, Thomas Michael Braschler, Sidi Ahmed Bencherif

A paradigm shift is taking place in medicine and dentistry from using synthetic implants and tissue grafts to a tissue engineering approach that uses degradable porous three-dimensional (3D) material hydrogels integrated with cells and bioactive factors to ...

2013

Increasing PCR sensitivity by removal of polymerase inhibitors in environmental samples by using dielectrophoresis

Philippe Renaud, Rodrigo Martinez Duarte

Dielectrophoresis (DEP) is a powerful tool to manipulate cells and molecules in microfluidic chips. However, few practical applications using DEP exist. An immediate practical application of a carbon- electrode DEP system, in removing PCR inhibitors from a ...

Elsevier2013

TRAC: A new accuracy measurement standard for insulin infusion pumps

Philippe Renaud, Harald Van Lintel

2013

Device for application of medium to human tissue or animal body such as eye, has carrier which is provided with micro-cavity for containing medium in direct contact with object on which medium is to be applied

Hubert van den Bergh, Philippe Renaud, Yann Barrandon, Thomas Michael Braschler, Julien Graber

NOVELTY - The device has a carrier (1) which is provided with micro-cavity (2) for containing medium in direct contact with the object on which the medium is to be applied. Other carrier is provided with ring to protect the medium from environment when the ...

2013

Design and test of a MEMS strain-sensing device for monitoring artificial knee implants

Kamiar Aminian, Alexandre Terrier, Philippe Renaud, Arnaud Bertsch, Arash Arami, Willyan Hasenkamp Carreira

This paper describes the development of a polyimide-based MEMS strain-sensing device. Finite element analysis was used to investigate an artificial knee implant and assist on device design and to optimize sensing characteristics. The sensing element of the ...

Springer2013

Al2O3/W hetero-structured nanopore membranes: From native to tunable nanofluidic diodes

Philippe Renaud, Arnaud Bertsch, Jürgen Brugger, Fabien Patrick Wildhaber, Songmei Wu

We present here Al2O3/W hetero-structured nanopore membranes which function as native and electrical field tunable nanofluidic diodes. A typical membrane is 100×100 μm2 in size with pore density of ∼ 20/μm2. The nanopores are 26 nm in diameter and 400 nm i ...

IEEE2013

Label-Free Recognition of Drug Resistance via Impedimetric Screening of Breast Cancer Cells

Philippe Renaud, Arnaud Bertsch, Robert Meissner, Bilge Eker

We present a novel study on label-free recognition and distinction of drug resistant breast cancer cells (MCF-7 DOX) from their parental cells (MCF-7 WT) via impedimetric measurements. Drug resistant cells exhibited significant differences in their dielect ...

Public Library of Science2013

Astrocyte–neuron co-culture on microchips based on the model of SOD mutation to mimic ALS

Patrick Aebischer, Philippe Renaud, Sylvain Eric Lengacher, Pierre Magistretti, Anja Kunze, Elisabeth Anne Dirren

Amyotrophic lateral sclerosis (ALS) is the most common motor neuron disease. ALS is believed to be a non-cell autonomous condition, as other cell types, including astrocytes, have been implicated in disease pathogenesis. Hence, to facilitate the developmen ...

Royal Soc Chemistry2013

Field effect modulated nanofluidic diode membrane based on Al2O3/W heterogeneous nanopore arrays

Philippe Renaud, Arnaud Bertsch, Jürgen Brugger, Fabien Patrick Wildhaber, Songmei Wu

We developed Al2O3/W heterogeneous nanopore arrays for field effect modulated nanofluidic diodes. They are fabricated by transferring self-organized nanopores of anodic aluminium oxide into a W thin film. The nanopores are ∼20 nm in diameter and 400 nm in ...

American Institute of Physics2013

On-Chip Flow Cytometry

Philippe Renaud, Thomas Michael Braschler, Ana Valero

Springer2012

A microfluidic-based frequency-multiplexing impedance sensor (FMIS)

Philippe Renaud, Arnaud Bertsch, Pierre Joris, Robert Meissner, Bilge Eker

We present a novel technology for the simultaneous and simple impedimetric screening of multiple microfluidic channels with only one electrode pair. We have exploited the frequency dimension to distinguish between up to three channels. Each ‘sub-sensor’ po ...

2012

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