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Séminaires à venir

14
FÉV
TBA
Par Olivier Rivoire (ESPCI)
Le 14 Février 2023 à 11h00 - salle de séminaires 5ème étage - LJP - Tour 32-33
TBA
07
MAR
Séminaire interne
Par Internal Seminar: André Estevez-Torres, Soumaiya Imarraine
Le 7 Mars 2023 à 11h00 - Salle de séminaires 5ème étage - LJP - Tours 32-33
14
MAR
TBA
Par Ibuki Kawamata (Tohoku University, Ochanomizu University)
Le 14 Mars 2023 à 11h00 - salle de séminaires 5ème étage - LJP - Tour 32-33
TBA
21
MAR
Collective movements of fish in complex environments
Par Aurélie Dupont (LIPhy Grenoble)
Le 21 Mars 2023 à 11h00 - salle de séminaires 5ème étage - LJP - Tour 32-33
TBA
04
AVR
TBA
Par Olivier C. Martin (Institut des Sciences des Plantes de Paris Saclay)
Le 4 Avril 2023 à 11h00 - Salle de séminaires 5ème étage - LJP - Tours 32-33
TBA
20
JUN
Emergence, engineering and biological function of tissue rigidity
Par Nicoletta Petridou (EMBL Heidelberg, Germany)
Le 20 Juin 2023 à 11h00 - Salle de séminaires 5ème étage - LJP - Tours 32-33
The interchange between fluid-like and solid-like tissue states is key for multicellular morphogenesis. Recent biophysical models have quantitatively predicted and experimentally verified tissue ...


Séminaires passés

Physics of Behavior Across Scales
Par Antonio Carlos Costa (ENS Paris)
Le 24 Janvier 2023 à 11h00 - Salle de séminaires 5ème étage - LJP - Tours 32-33
Recent years have seen an explosion in our ability to measure the movement dynamics of animals in naturalistic environments. However, such data poses tremendous challenges for quantitative analysis, ...
Séminaire interne
Par Internal Seminar: Marcus Ghosh, Quentin Guigue
Le 10 Janvier 2023 à 11h00 - Salle de séminaires 5ème étage - LJP - Tours 32-33
Diversity begets stability in competitive ecological communities
Par Matteo Smerlak (MPI Leipzig)
Le 13 Décembre 2022 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
Ecological theory has grappled for fifty years with the “diversity-stability debate”. On the one hand, random matrix arguments due to Robert May imply that large, complex ecosystems cannot...
Oxygen driven spreading and microphase separation in Dictyostelium discoideum
Par Jean-Paul Rieu (Université Claude Bernard Lyon 1)
Le 6 Décembre 2022 à 11h00 - Salle de séminaires 5ème étage - LJP - Tours 32-33
Oxygen driven spreading and microphase separation of eukaryotic cells   J.-P. Rieu1,*, A. Carrère1, N. Ghazi1, C. Anjard1, F. Detchevery1, O. Cochet-Escartin1, S. Hirose3,K. Funamoto3, ...
Séminaire interne
Par Claude Loverdo & Mafer Seow
Le 29 Novembre 2022 à 11h00 - Salle de séminaires 5ème étage - LJP - Tours 32-33
TBA
Mathematical approaches to modelling biological complexity: Inverse blebbing and tissue growth in Drosophila abdomen
Par Andrea Cairoli (Crick Institute)
Le 22 Novembre 2022 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
Cells are the building blocks of living systems and undoubtedly fascinating entities. They move autonomously, interact among themselves and with the microenvironment, react to external perturbations, ...
Navigation in larval zebrafish: strategies and internal representations
Par Ruben Portugues (MPI TUM)
Le 15 Novembre 2022 à 10h30 - salle 107 de l’UFR de physique, Tour 22-23 1er étage
Animals navigate within their environment. To do so effectively, they may use sensory cues and/or persistent internal representations that can encode their position in space. In this talk, I will ...
Séminaire interne
Par Nicolas Biais & Pierre Tapie
Le 25 Octobre 2022 à 11h00 - Salle de séminaires 5ème étage - LJP - Tours 32-33
TBA
Collective effects in driven matter: from one-dimensional crowding to 2D melting
Par Alexis Poncet (ENS Lyon)
Le 18 Octobre 2022 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
The theoretical description of the structure and dynamics of matter far from thermal equilibrium is at the heart of modern statistical physics. In this seminar, I will focus on two prototypical ...
Random perturbation of nanoscale copying machines
Par Marco Ribezzi (ESPCI Paris)
Le 4 Octobre 2022 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
Statistical mechanics allows us to explain or predict how macroscopic, deterministic laws arise out of molecular chaos and has found applications in areas where emergent behaviors stem from the ...
TBA
Par Sharbatanu Chatterjee & Nidia Maldonado-Carmona
Le 20 Septembre 2022 à 11h00 - Salle de séminaires 5ème étage, tour 32-33
TBA
soutenance d'HDR
Par Claude Loverdo
Le 5 Septembre 2022 à 14h00 - C404
Microbes which live in hosts grow from small numbers to very large population sizes, and interact physically with their environment. Here is a summary of my biophysical modeling work, which uses a mix...
Earthquake statistical properties: an explanation for the distribution of magnitude and for the existence of aftershocks
Par François Petrelis (LPENS, Paris)
Le 28 Juin 2022 à 11h00 - Salle de séminaires 5ème étage - LJP - Tour 32-33
Earthquakes in nature follow several statistical properties. In particular, the distribution of energy released by an earthquake (Gutenberg-Richter's law) and the frequency of aftershocks after a ...
Active-gel Theory for Multicellular Migration in the Extra-cellular Matrix
Par Ram Adar (Collège de France & Institut Curie)
Le 21 Juin 2022 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
We formulate an active-gel theory for multicellular migration in the extracellular matrix (ECM). The cells are modeled as an active, polar solvent, and the ECM as a viscoelastic solid. Our ...
TBA
Par Andrea Cairoli (Crick Institute London)
Le 14 Juin 2022 à 00h00 - Salle de séminaires 5ème étage - LJP - Tour 32-33
TBA
TBA
Par Lorraine Montel (LJP, Sorbonne Université)
Le 7 Juin 2022 à 11h00 - Salle de séminaires 5ème étage - LJP - Tours 32-33
TBA
Filamentous bacteriophages: versatile model building blocks in soft matter and biomaterials
Par Eric Grelet (CRPP Bordeaux)
Le 17 Mai 2022 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
Filamentous bacteriophages with their features like outstanding monodispersity and their ability to self-organize into a myriad of ordered structures motivate the strong interest they have raised as ...
Choreographing the dance of active nematic defects
Par Teresa Lopez-Leon (ESPCI Paris)
Le 12 Avril 2022 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
Active nematics are biomimetic liquid crystals in which a 2D network of microtubule filaments is set in motion by the action of molecular motors (1, 2). In its steady state, this system usually ...
Coupled stochastic dynamics and kinetics simulations with applications to Biology and Chemistry
Par Marina Katava (IBPC, Paris)
Le 5 Avril 2022 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
Complex systems can be successfully modeled in computer simulations. Due to the high computational cost of the numerical algorithms, different techniques are adapted to suit particular time- and ...
Physics of mammalian blastocyst morphogenesis
Par Jean-Léon Maître (Institut Curie, Paris) and Hervé Turlier (Collège de France, Paris)
Le 29 Mars 2022 à 11h00 - Salle de séminaires 5ème étage - LJP - Tour 32-33
The formation of the blastocyst during preimplantation development constitutes a unique opportunity to study living mammalian embryos. The blastocyst consists of a surface epithelium enveloping a ...
Control of biological processes
Par Efe Ilker (Max Planck Institute for the Physics of Complex Systems, Dresden)
Le 22 Mars 2022 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
Time is a major constraint for life. Biological systems need to adapt and respond accurately to the changes in their environment. Having fine-grained control in nonequilibrium processes via external ...
Context-dependent selectivity to natural scenes in the retina
Par Ulisse Ferrari and Olivier Marre (Institut de la Vision, Paris)
Le 15 Mars 2022 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
Retina ganglion cells extract specific features from natural scenes and send this information to the brain. In particular, they respond to local light increase (ON responses), and/or decrease (OFF). ...
TBA
Par Internal seminar
Le 8 Mars 2022 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
TBA
Active mechanical and electrohydraulic properties of tissues
Par Charlie Duclut (MSC, Université de Paris)
Le 22 Février 2022 à 11h00 - salle de séminaires 5ème étage, Tour 32-33
Tissues are assemblies of large numbers of cells, which form a soft active material. Their dynamics are governed by chemical signals between cells, which both coordinate active mechanical processes ...
internal seminar
Par internal seminar
Le 18 Janvier 2022 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
internal seminar
Statistical mechanics for the analysis of immunogenic motives in SARS-COv2 sequences and beyond
Par Simona Cocco (LPENS Paris)
Le 11 Janvier 2022 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
When a virus enters a new host, it can present pathogen-associated molecular patterns (PAMPs) that are rarely seen in circulating strains that have adapted to that host’s immune environment over...
HDR : Mechanical properties of tissues and mechanosensitivy : a biomimetic approach
Par Lea-Laëtita Pontani
Le 14 Décembre 2021 à 14h00 - salle de séminaire du LJP, 5e étage, couloir 32-33
HDR
A multiscale chemotaxis assay to unravel how motile bacteria navigate their environment(s)
Par Marianne Grognot (ESPCI Paris)
Le 8 Décembre 2021 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
Flagellated bacteria swim by rotating one or several flagella; motility alone results in a random walk, but the flagella’s rotation can be influenced by an intracellular sensory system that ...
Spontaneous propulsion of an isotropic colloid in a phase-separating environment
Par Pierre Illien (Sorbonne U)
Le 7 Décembre 2021 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
The motion of active colloids is generally achieved through their anisotropy, as exemplified by Janus colloids. Recently, there was a growing interest in the propulsion of isotropic colloids, ...
Buckling and curling of epithelial monolayers
Par Jonathan Fouchard (IBPS)
Le 30 Novembre 2021 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
Epithelial monolayers are soft thin sheets which shape the body and organs of many multi-cellular organisms. Competition between stretching and bending characterizes shape transitions of thin elastic ...
Seasonal influenza viruses: Limited predictability of evolution & Inference of reassortment networks
Par Pierre Barrat-Charlaix (Univ. Basel)
Le 23 Novembre 2021 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
Seasonal influenza viruses repeatedly infect humans in part because they rapidly change their antigenic properties and evade host immune responses, necessitating frequent updates of the vaccine ...
Making and Folding Colloidomers
Par Jasna Brujic (NYU)
Le 9 Novembre 2021 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
Making and Folding Colloidomers By Design Angus McMullen, Maitane Munoz Basagoiti, Zorana Zeravcic, Jasna Brujic Protein folding is an efficient mechanism used by biology to make molecules with a ...
internal seminar
Par Nicolas Escoubet & Nabil-Bey Baroudi
Le 19 Octobre 2021 à 11h00 - Salle de séminaires 5ème étage, Tour 32-33
internal seminar
Séminaire interne
Par Yuliia Vyborna / Natalia Belén Beiza Canelo
Le 18 Mai 2021 à 16h00 - Salle de séminaires 5ème étage, Tour 32-33
TBA
Motility regulation of run-and-tumble bacteria: from directed to self-organization
Par Julien Tailleur
Le 13 Avril 2021 à 16h00 - Salle de séminaires 5ème étage, Tour 32-33
Equilibrium statistical mechanics tells us how to control the self-assembly of passive materials by tuning the competition between energy and entropy to achieve desired states of organization. Out of ...
Deconstructing human nervous system development in health and disease : an embryoid and organoid perspective
Par Stéphane Nedelec (IFM)
Le 6 Avril 2021 à 16h00 - Salle de séminaires 5ème étage, Tour 32-33
Our lab is studying the molecular and cellular basis of human nervous system development in health and disease. We seek to decode the principles controlling the specification and organization of ...
Séminaire interne
Par Darka Labavic / Julie Lafaye
Le 16 Mars 2021 à 16h00 - Salle de séminaires 5ème étage, Tour 32-33
TBA
Mesodermal growth and morphogenesis in chicken embryos
Par Karine Guevorkian (Institut Curie)
Le 9 Mars 2021 à 16h00 - Salle de séminaires 5ème étage, Tour 32-33
The life of an embryo starts as a ball of undifferentiated cells. Gradually, biochemical signals, in concert with mechanical cues, pattern the embryonic tissues from which organs emerge. Understanding...
Modelling Immune Recognition with Restricted Boltzmann Machines
Par Barbara Bravi (LPENS)
Le 15 Décembre 2020 à 16h00 - Zoom
The immune response of an organism when it is infected by a pathogen is based on the recognition of small portions of its proteins. This raises two questions: what protein portions are relevant to ...
Chirality and non-reciprocal interactions: Creating new liquid crystals from activity
Par Ananyo Maitra (Laboratoire Jean Perrin)
Le 8 Décembre 2020 à 15h00 - Zoom
Active matter theories generally augment descriptions of passive liquid crystals with nonequilibrium forces and currents, thereby addressing how activity affects these structures. In this talk, I will...
Understanding the mechanics of coordinated tissue movements in zebrafish gastrulation
Par Silvia Grigolon (Laboratoire Jean Perrin)
Le 1 Décembre 2020 à 16h00 - Zoom
Embryo morphogenesis relies on highly coordinated movements of different tissues as well as cell differentiation and patterning. However, remarkably little is known about how tissues coordinate their ...
Spatio-temporal patterning of living cells with extracellular DNA programs
Par Marc Van Der Hofstadt (Laboratoire Jean Perrin)
Le 24 Novembre 2020 à 11h00 - Zoom
The microenvironment surrounding eukaryotic cells in complex organisms is constantly evolving. Its out-of-equilibrium behaviour is due to the perpetual production and degradation of its constituents ...
Eukaryotic cells as interacting living particles
Par Joseph d’Alessandro (Institut Jacques Monod, Paris)
Le 17 Novembre 2020 à 11h00 - Zoom
Cells move. They propel themselves using an internal machinery which endows them with the characteristics of active particles. At the same time, they interact dynamically with their environment and ...
Fluid pumping, lumen nucleation and electro-hydraulic phenomena in cell assemblies
Par Charlie Duclut (Max Planck, Dresden)
Le 10 Novembre 2020 à 11h00 - Zoom
In addition to generating forces and reacting to mechanical cues, cell assemblies and tissues are characterized by their capacity to actively pump fluid, thanks to active ion transport. By pumping ...

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