Publications de Pierre Joris | EPFL Graph Search

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OBJECTIVE: Alzheimer disease (AD) is the most common form of neurodegenerative disease in elderly people. Toxic brain amyloid-beta (ASS) aggregates and ensuing cell death are believed to play a central role in the pathogenesis of the disease. In this study ...

We report a process for the realization of polyimide films with custom-designed microporosity based on the heat-induced depolymerization of polyimide-embedded polypropylene carbonate microstructures. The foam-like microstructures are up to 40 µm thick and ...

Electrical impedance spectroscopy measurements were performed in post-mortem mice brains using a flexible probe with an embedded micrometric electrode array. Combined with a peak resistance frequency method this allowed obtaining intrinsic resistivity valu ...

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 ...

Microfluidic network device (2) configured to supply reagents to a biological tissue sampling device (1), comprising a plurality of microfluidic inlet channels (12) connected to respective sources of said reagents, at least one common outlet channel (22), ...

Pierre Joris

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Detection of Alzheimer’s disease amyloid-beta plaque deposition by deep brain impedance profiling

Polyimide foam-like microstructures: technology and mechanical properties

Microimpedance spectroscopy for local characterization of tissue structures

Accurate resistivity mouse brain mapping using microelectrode arrays

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

Microfluidic network device