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DTSTART;TZID=Europe/Paris:20260303T140000
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DTSTAMP:20260404T115823
CREATED:20260227T153207Z
LAST-MODIFIED:20260227T153207Z
UID:10000089-1772546400-1772546400@sfp-alpes.fr
SUMMARY:Marco MACCARINI (chercheur UGA)
DESCRIPTION:Exploring the Nanostructure of Biomimetic Membranes\nRésumé : \nModel lipid membranes are simplified yet powerful systems that mimic key features of biological plasma membranes—the essential envelopes that define and protect living cells. Their controlled simplicity makes them ideal for precise experimental techniques\, enabling us to explore their interactions with novel nanoengineered materials. \nWhen combined with biological components like proteins\, these membranes not only deepen our understanding of fundamental biological processes but also serve as building blocks for advanced nanoengineered materials with tailored technological applications. \nIn this seminar\, I will present examples from my research\, where laboratory techniques\, large-scale facility analyses\, and computational methods converge to provide in-depth characterization and mechanistic insights into membrane behavior. These findings hold significant potential for advancements in health\, biotechnology\, and fundamental biology. \nShort Bio/CV\nAs  a CNRS Chargé de Recherche\, I’ve recently joined the LMGP to continue my research journey in this scientific new environment. My academic path has taken me across borders—starting with a Physics degree in Italy\, followed by a PhD in Polymer Physics in England\, and postdoctoral experiences in Germany and Canada. Along the way\, I’ve had the privilege of working at world-class facilities like the Institut Laue Langevin\, where I deepened my expertise in large-scale scientific infrastructure. I now continue this work at LMGP\, where my research focuses on the intersection of physics\, materials science\, and biomimetic systems. \nContact : deborah.verger@grenoble-inp.fr
URL:https://sfp-alpes.fr/event/marco-maccarini-chercheur-uga/
LOCATION:LMGP – salle des séminaires\, Grenoble INP -Phelma 3 parvis Louis Néel\, Grenoble\, 38054\, France
CATEGORIES:Séminaire
ORGANIZER;CN="LMGP":MAILTO:deborah.verger@grenoble-inp.fr
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DTSTART;TZID=Europe/Paris:20260305T113000
DTEND;TZID=Europe/Paris:20260305T123000
DTSTAMP:20260404T115823
CREATED:20260227T134443Z
LAST-MODIFIED:20260227T134815Z
UID:10000084-1772710200-1772713800@sfp-alpes.fr
SUMMARY:Viviana RICON MONTES & Andreas OFFENHÄUSSER (Forschungszentrum Jülich\, Allemagne)
DESCRIPTION:Devices that interact with the brain: from nanostructured to flexible electrodes\nRésumé : \nNeural electrodes are the core components of neuroelectronic devices\, enabling the recording and simulation of neural activity. Our research focuses on two primary areas : (1) the design and\ncharacterization of the neuron-electrode interface\, and (2) the development of flexible neural interfaces for both in vivo and in vitro applications. Microelectrode arrays (MEAs) are commonly used to bridge the interface between neurons and electronic systems. However\, current MEAs face limita7ons in signal fidelity\, precision of neural modulation\, and long-term biocompatibility. To address these challenges\, we are developing nanomaterial-based MEAs that offer enhanced physical and chemical properties\, leading to improved cell-electrode coupling. Specifically\, we have engineered a hybrid structure combining vertical nanostraws with nanocavities\, enabling stable\, non-invasive\, and long-term recording at sub-threshold resolution. \nImplantable neural prosthetic devices provide direct access to local neural circuits and are critical components of brain-machine interfaces. While current clinical-grade devices—typically based on silicon or noble metals—have driven significant advances\, they oPen fail to sustain reliable neural communication over extended periods. Our goal is to create next-generation neurotechnologies that integrate seamlessly with biological tissue\, supporting multimodal neural interrogation through electrical\, optical\, or chemical means. We are actively exploring novel device architectures\, materials\, and implantation strategies\, alongside rigorous performance evaluation\, with the ultimate aim of enabling both acute and chronic in vivo applications. Our approach combines thin-film technology and surface micromachining processes with additive manufacturing techniques\, including two-photon lithography. These are integrated with self-\naligned\, template-assisted electrodeposition processes\, kirigami-inspired designs with matched-die forming\, novel bonding methods\, and the modular stacking of two-dimensional neural probes with key-lock systems. These technologies support versatile applications\, ranging from investigating seizure-like activity in in vitro epilepsy models to advancing visual prosthesis that enable bidirectional communication along the visual pathway. \nContact : clement.hebert@univ-grenoble-alpes.fr
URL:https://sfp-alpes.fr/event/viviana-ricon-montes-andreas-offenhausser-forschungszentrum-julich-allemagne/
LOCATION:GIN – Amphi Serge Kampf\, Grenoble Institut des Neurosciences (GIN) Bât. Edmond J. Safra\, Chemin Fortune Ferrini CHU\, La Tronche\, 38700\, France
CATEGORIES:Séminaire
ORGANIZER;CN="GIN":MAILTO:yves.goldberg@univ-grenoble-alpes.fr
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