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Nicolas Vachicouras

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Publications associées (16)

Engineering reversible elasticity in ductile or brittle thin films and products resulting from said engineering

Stéphanie Lacour, Nicolas Vachicouras, Christina Myra Tringides

The present invention relates to how to engineer reversible elasticity in thin films and/or layers and/or substrates, using a repeated Y-shaped motif, which is cut out throughout the film and/or layer and/or substrate. As an example, using a 75 μm thick po ...
2018

Long-term functionality of a soft electrode array for epidural spinal cord stimulation in a minipig model

Stéphanie Lacour, Grégoire Courtine, Jocelyne Bloch, Marco Capogrosso, Nicolas Vachicouras, Giuseppe Schiavone, Fabien Bertrand Paul Wagner, Florian Dylan Fallegger, Beatrice Barra, Xiaoyang Kang

Long-term biointegration of man-made neural interfaces is influenced by the mechanical properties of the implant materials. Substantial experimental work currently aims at replacing conventional hard implant materials with soft alternatives that can favour ...
IEEE2018

Engineering reversible elasticity in ductile and brittle thin films supported by a plastic foil

Stéphanie Lacour, Nicolas Vachicouras, Christina Myra Tringides

Reversible deformation is a unique property of elastic materials. Here, we design and fabricate highly stretchable multilayered films by patterning Y-shaped motifs through films of non- elastic materials, e.g. plastics, metals, ceramics. By adjusting the g ...
Elsevier Science Bv2017

Biomaterials. Electronic dura mater for long-term multimodal neural interfaces

Silvestro Micera, Stéphanie Lacour, Grégoire Courtine, Eduardo Martin Moraud, Quentin Barraud, Léonie Asboth, Tomislav Milekovic, Marco Capogrosso, Pavel Musienko, Nicolas Vachicouras, Ivan Rusev Minev, Nikolaus Wenger, Jérôme Gandar, Arthur Edouard Hirsch, Natalia Pavlova, Simone Ellen Joze Duis

The mechanical mismatch between soft neural tissues and stiff neural implants hinders the long-term performance of implantable neuroprostheses. Here, we designed and fabricated soft neural implants with the shape and elasticity of dura mater, the protectiv ...
American Association for the Advancement of Science2015

Conducting polymer electrodes for auditory brainstem implants

Stéphanie Lacour, Nicolas Vachicouras, Amélie Anne Guex

The auditory brainstem implant (ABI) restores hearing in patients with damaged auditory nerves. One of the main ideas to improve the efficacy of ABIs is to increase spatial specificity of stimulation, in order to minimize extra-auditory side-effects and to ...
Royal Soc Chemistry2015

Stretchable Electrodes for Neuroprosthetic Interfaces

Stéphanie Lacour, Nicolas Vachicouras, Ivan Rusev Minev, Katherine Marie Musick, Anna Cyganowski

We have developed a stretchable gold microelectrode array (MEA) that can withstand the torsion requirements needed for implantable neuroprosthetic interface applications. The array is composed of thin gold (sub-100 nm thick) electrodes on a soft, 120 mu m ...
Ieee2012

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