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Stéphanie Lacour

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Related publications (122)

Closed-Loop Haptic Feedback Control Using a Self-Sensing Soft Pneumatic Actuator Skin

Stéphanie Lacour, Jamie Paik, Aaron Powers Gerratt, Harshal Arun Sonar

In this article, we achieve a closed-loop control over haptic feedback, first time for an entirely soft platform. We prototyped a novel self-sensing soft pneumatic actuator (SPA) with soft strain sensors, called SPA-skin, which withstands large multiaxial ...

2020

Development and Evaluation of a Sensor Glove to Detect Grasp Intention for a Wearable Robotic Hand Exoskeleton

Stéphanie Lacour, Haotian Chen

Restoring hand function in people suffering from neuromotor hand impairment is a crucial step towards regaining independence. Wearable robotic hand orthoses are a promising approach to support that aim by providing grasp assistance in daily life. For succe ...

IEEE2020

Structured nanoscale metallic glass fibres with extreme aspect ratios

Giuseppe Schiavone, Güven Kurtuldu, Inès Richard, Stéphanie Lacour, Grégoire Courtine, Dang Tùng Nguyen, Fabien Sorin, Wei Yan, Yunpeng Qu, Vasiliki Tileli, Nicholas David James, Jordan Squair, Reinis Ignatans

Micro- and nanoscale metallic glasses offer exciting opportunities for both fundamental research and applications in healthcare, micro-engineering, optics and electronics. The scientific and technological challenges associated with the fabrication and util ...

Nature Publishing Group2020

Soft Printable Electrode Coating for Neural Interfaces

Florian Dylan Fallegger, Elvira Pirondini, Stéphanie Lacour, Arnaud Bichat, Grégoire Courtine, Quentin Barraud, Michael Shur

The mechanical mismatch between implantable interfaces and neural tissues may be reduced by employing soft polymeric materials. Here, we report on a simple strategy to prepare and pattern a soft electrode coating of neural interfacing devices based on a sc ...

2020

Auditory Brainstem Implants: Recent Progress and Future Perspectives

Nicolas Vachicouras, Stéphanie Lacour

The auditory brainstem implant (ABI) was first developed nearly 40 years ago and provides auditory rehabilitation to patients who are deaf and ineligible for cochlear implant surgery due to abnormalities of the cochlea and cochlear nerve. The aims of the f ...

2019

Patterned biphasic electrical conductor and methods for producing thereof

Stéphanie Lacour, Arthur Edouard Hirsch

A method for manufacturing an electrical conductor is herein disclosed, said method comprising a) providing a substrate comprising on a surface thereof a solid metal conductive layer or film; b) depositing a liquid metal on said solid layer; c) allowing sa ...

2019

Gallium‐Based Thin Films for Wearable Human Motion Sensors

Laurent Mirko Dejace, Stéphanie Lacour, Ivan Furfaro, Nathan Joseph Laubeuf

Wearable electronic circuits based on the films of gallium and its alloys offer promising implementations in health monitoring and gaming sensing applications. However, the complex rheology of liquid metals makes it challenging to manufacture thin gallium‐ ...

2019

Automatic clustering of spinal reflexes evoked by epidural electrical stimulation of the cervical spinal cord in non-human primates

Giuseppe Schiavone, Stéphanie Lacour, Grégoire Courtine, Marco Capogrosso, Sara Conti, Beatrice Barra, Katie Zhi Zhuang, Jocelyne Bloch

Epidural electrical stimulation of the spinal cord elicits motor responses by recruiting large sensory afferents in the posterior roots. Divergence of excitatory inputs provided by these fibers generates a variety of shapes, latencies and amplitudes in the ...

2019

Conformable bioelectronic interfaces: Mapping the road ahead

Giuseppe Schiavone, Stéphanie Lacour

2019

Harnessing the Rheological Properties of Liquid Metals To Shape Soft Electronic Conductors for Wearable Applications

Laurent Mirko Dejace, Stéphanie Lacour, Hadrien Olivier Michaud, Arthur Edouard Hirsch

2019

Materials chemistry in flexible electronics

Stéphanie Lacour

Royal Society of Chemistry2019

Microstructured thin-film electrode technology enables proof of concept of scalable, soft auditory brainstem implants

Nicolas Vachicouras, Florian Dylan Fallegger, Stéphanie Lacour, Christina Myra Tringides, Jennifer Mary Adrienne Alice Macron, Yohann Daniel André Thenaisie, Valentina Marie Paggi

Auditory brainstem implants (ABIs) provide sound awareness to deaf individuals who are not candidates for the cochlear implant. The ABI electrode array rests on the surface of the cochlear nucleus (CN) in the brainstem and delivers multichannel electrical ...

2019

Bi-Modal Control of Vacuum-Powered Soft Pneumatic Actuators with Embedded Liquid Metal-Based Strain Sensitive Skin

Laurent Mirko Dejace, Stéphanie Lacour, Jamie Paik, Matthew Aaron Robertson

Soft robotic systems are composed of active and passively deformable structures which are intrinsically compliant, flexible, and elastic. Although these features offer benefits of adaptability, robustness, and safety, controlling these types of robots is a ...

IEEE2019

Liquid electromigration in gallium-based biphasic thin films

Stéphanie Lacour, Hadrien Olivier Michaud

Liquid metals have recently gained interest as a material of choice for soft and stretchable electronic circuits, thanks to their virtually infinite mechanical failure strain and high electrical conductivity. Gallium-based thin films are obtained by deposi ...

2019

Soft And Wearable Transducers: Opportunities And Challenges For Daily Use

Stéphanie Lacour

Soft bioelectronic interfaces are broadly defined as microfabricated devices, distributed over large-areas, and with mechanical properties suited to comply the soft and dynamic biological tissues. The hybrid integration and processing of materials ranging ...

IEEE2019

Thin Hydrogel-Elastomer Multilayer Encapsulation for Soft Electronics

Stéphanie Lacour, Aaron Powers Gerratt, Jennifer Mary Adrienne Alice Macron

In the exciting race to design and engineer biointegrated and body-like electronic systems, many efforts concentrate on the integration of hydrogels in electronic assemblies. The versatility of hydrogels chemistry combined with their tissue-mimicking prope ...

Wiley2019

Auditory brainstem stimulation with a conformable microfabricated array elicits responses with tonotopically organized components

Amélie Anne Guex, Shreya Narasimhan, Nicolas Vachicouras, Stéphanie Lacour

2019

Advantages of soft subdural implants for the delivery of electrochemical neuromodulation therapies to the spinal cord

Jérôme Gandar, Stéphanie Lacour, Grégoire Courtine, Nikolaus Wenger, Ivan Rusev Minev, Eduardo Martin Moraud, Pavel Musienko, Marco Capogrosso, Polina Shkorbatova, Nathan Antoine Greiner

Objective. We recently developed soft neural interfaces enabling the delivery of electrical and chemical stimulation to the spinal cord. These stimulations restored locomotion in animal models of paralysis. Soft interfaces can be placed either below or abo ...

2018

A microfabricated nerve-on-a-chip platform for rapid assessment of neural conduction in explanted peripheral nerve fibers

Sandra Gribi, Stéphanie Lacour, Sophie du Bois de Dunilac, Diego Ghezzi

Peripheral nerves are anisotropic and heterogeneous neural tissues. Their complex physiology restricts realistic in vitro models, and high resolution and selective probing of axonal activity. Here, we present a nerve-on-a-chip platform that enables rapid e ...

Nature Research2018

Selective Recruitment of Arm Motoneurons in Nonhuman Primates Using Epidural Electrical Stimulation of the Cervical Spinal Cord

Giuseppe Schiavone, Camille Roux, Stéphanie Lacour, Grégoire Courtine, Marco Capogrosso, Beatrice Barra, Jocelyne Bloch

Recovery of reaching and grasping ability is the priority for people with cervical spinal cord injury (SCI). Epidural electrical stimulation (EES) has shown promising results in improving motor control after SCI in various animal models and in humans. Nota ...

2018

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