Stéphanie Lacour

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Publications associées (122)

Cardiovascular Response to Intraneural Right Vagus Nerve Stimulation in Adult Minipig

Silvestro Micera, Stéphanie Lacour, Valentina Marie Paggi

Objective: This study explored intraneural stimulation of the right thoracic vagus nerve (VN) in sexually mature male minipigs to modulate safe heart rate and blood pressure response. Material and Methods: We employed an intraneural electrode designed for ...

ELSEVIER2024

Wireless, battery-free, and real-time monitoring of water permeation across thinfilm encapsulation

Anja Skrivervik, Yves Leterrier, Stéphanie Lacour, Mingxiang Gao, James Daniel Rosenthal, Massimo Mariello

Long-term bioelectronic implants require stable, hermetic encapsulation. Water and ion ingress are challenging to quantify, especially in miniaturized microsystems and over time. We propose a wireless and battery-free flexible platform leveraging backscatt ...

Springer Science and Business Media LLC2024

Towards Mimicking Brain Mechanical Loads: Stretchable Microelectrode Arrays for Brain Spheroid Electrophysiology

Stéphanie Lacour, Ivan Furfaro, Laurine Kolly

Human neural spheroids, 3D cellular aggregates of neurons and glial cells, are a compelling biological model for studying neuronal communication in physiological and pathological conditions, such as neurodevelopment and traumatic brain injury (TBI), respec ...

FUNDACIO DE LA COMUNITAT VALENCIANA SCITO2024

Revealing the complexity of ultra-soft hydrogel re-swelling inside the brain

Stéphanie Lacour, Outman Akouissi, John Martin Kolinski, Michael Shur, Olivier Didier Christian Rizzo

The brain is an ultra-soft viscoelastic matrix. Sub-kPa hydrogels match the brain's mechanical properties but are challenging to manipulate in an implantable format. We propose a simple fabrication and processing sequence, consisting of de-hydration, patte ...

2023

Hydrogels and conductive hydrogels for implantable bioelectronics

Stéphanie Lacour, Outman Akouissi, Emilio Fernández Lavado, Massimo Mariello, Kutay Sagdic

Hydrogels are a class of soft materials, which display unique biomimetic properties to biological tissues. Their mechanical properties, high water content, and porosity resemble that of extracellular matrix so that cell growth and proliferation can be reli ...

2023

Liquid Metal-Based Sensor Skin Enabling Haptic Perception of Softness

Stéphanie Lacour, Ivan Furfaro, Emilio Fernández Lavado, Haotian Chen

Haptic perception of softness is a unique feature of the human skin that relies on the concurrent measurements of the lateral deformation and compression of the skin during object manipulation. This is challenging to implement in robotics because of combin ...

2023

Sensitivity to Pulse Rate and Amplitude Modulation in an Animal Model of the Auditory Brainstem Implant (ABI)

Stéphanie Lacour, Florent-Valéry Coen

The auditory brainstem implant (ABI) is an auditory neuroprosthesis that provides hearing by electrically stimulating the cochlear nucleus (CN) of the brainstem. Our previous study (McInturff et al., 2022) showed that single-pulse stimulation of the dorsal ...

SPRINGER2023

Decoding bladder state from pudendal intraneural signals in pigs

Silvestro Micera, Stéphanie Lacour, Leonardo Pollina, Ivo Strauss, Valentina Marie Paggi

Neuroprosthetic devices used for the treatment of lower urinary tract dysfunction, such as incontinence or urinary retention, apply a pre-set continuous, open-loop stimulation paradigm, which can cause voiding dysfunctions due to neural adaptation. In the ...

2023

Implantable electrical/electronic biomedical device, system and methods for using the same

Stéphanie Lacour, Nicolas Vachicouras, Florian Dylan Fallegger, Ludovic Serex, Sukho Song

It is disclosed an implantable electrical/electronic biomedical device comprising: a) a reservoir (100) comprising an inlet (101) at a first end and a mechanical support (200) at a second, opposed end, and b) at least one electrode structure (300) deployab ...

2023

GaitSkin system: Wireless vibrotactile skin patch with gait tracker for sensorimotor conflict creation

Olaf Blanke, Stéphanie Lacour, Bruno Herbelin, Ivan Furfaro, Emilio Fernández Lavado, Haotian Chen, Selim Jean Habiby Alaoui

This paper details the development and preliminary testing of GaitSkin, a wearable haptic interface designed for generating sensorimotor conflicts during locomotion. The system leverages real-time gait tracking and a wireless vibrotactile skin patch to pro ...

IEEE2023

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