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Seminars

Contact :
Matthieu Labousse
matthieu.labousse (arobase) espci.psl.eu
Tel : +33 (0) 1 40 79 45 97

Joshua McGraw
joshua.mcgraw (arobase) espci.fr
Tel : +33 (0) 1 40 79 59 62

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Gulliver seminars take place on Mondays at 11:30 AM in the F304 room, and typically last one hour including questions. The seminars are in English, and the scientific topics are mainly those studied in the laboratory.


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Séminaires  (520)

  • Georges Debregeas (Laboratoire Jean Perrin, UPMC/CNRS)
    Lundi 3 mars 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Brain-wide recording of neural activity at single-cell resolution using SPIM-based calcium imaging
    The optical transparency and the small dimensions of zebrafish at the larval stage make it a vertebrate model of choice for brain-wide in-vivo functional imaging. However, current point-scanning imaging techniques, such as two-photon or confocal microscopy, impose a strong limit on acquisition speed which in turn (...)
  • Georges Debregeas (Laboratoire Jean Perrin, UPMC/CNRS)
    Lundi 3 mars 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Brain-wide recording of neural activity at single-cell resolution using SPIM-based calcium imaging
    The optical transparency and the small dimensions of zebrafish at the larval stage make it a vertebrate model of choice for brain-wide in-vivo functional imaging. However, current point-scanning imaging techniques, such as two-photon or confocal microscopy, impose a strong limit on acquisition speed which in turn (...)
  • Marjolein van der Linden (ESPCI, Gulliver)
    Lundi 10 mars 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Formation and crystallisation of long-range repulsive colloidal glasses
    We studied long-range repulsive glasses formed in suspensions of sterically stabilised charged colloidal poly(methyl methacrylate) particles (diameter = 2.23 µm) with low polydispersity (4%) in the low-polar solvent cyclohexyl bromide (dielectric constant = 7.92). Particle interactions were described by a (...)
  • Marjolein van der Linden (ESPCI, Gulliver)
    Lundi 10 mars 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Formation and crystallisation of long-range repulsive colloidal glasses
    We studied long-range repulsive glasses formed in suspensions of sterically stabilised charged colloidal poly(methyl methacrylate) particles (diameter = 2.23 µm) with low polydispersity (4%) in the low-polar solvent cyclohexyl bromide (dielectric constant = 7.92). Particle interactions were described by a (...)
  • Ian Williams (Soft Matter Chemistry, University of Bristol)
    Lundi 17 mars 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Hard Discs in Circular Confinement
    The behaviour of materials under spatial confinement is dramatically different from that in the bulk. The exact nature of behavioural modification in confined systems is strongly dependent on the boundary enclosing the system with soft walls inducing different phenomena than similar hard walls. In two dimensions, (...)
  • Ian Williams (Soft Matter Chemistry, University of Bristol)
    Lundi 17 mars 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Hard Discs in Circular Confinement
    The behaviour of materials under spatial confinement is dramatically different from that in the bulk. The exact nature of behavioural modification in confined systems is strongly dependent on the boundary enclosing the system with soft walls inducing different phenomena than similar hard walls. In two dimensions, (...)
  • Antonin Eddi (PMMH, ESPCI)
    Lundi 24 mars 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Coalescence of drops on a substrate
    When two drops come into contact they will rapidly merge and form a single drop. Here we address the coalescence of drops on a substrate — an elementary process encountered for example during condensation and inkjet printing. We focus on the dynamics just after contact, by characterizing the growth of the thin (...)
  • Antonin Eddi (PMMH, ESPCI)
    Lundi 24 mars 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Coalescence of drops on a substrate
    When two drops come into contact they will rapidly merge and form a single drop. Here we address the coalescence of drops on a substrate — an elementary process encountered for example during condensation and inkjet printing. We focus on the dynamics just after contact, by characterizing the growth of the thin (...)
  • Emmanuelle Rio (LPS, UMR 8502, Université Paris Sud)
    Lundi 31 mars 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Generation and bursting of vertical soap films
    If a frame is pulled out of a soapy solution, a colored ephemeral free standing film will be created. How thick is this film and how long will it last ? These are the two questions we will address. We first show that the film is composed of two zones : a zone of well-defined thickness at the bottom and a thinning (...)
  • Emmanuelle Rio (LPS, UMR 8502, Université Paris Sud)
    Lundi 31 mars 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Generation and bursting of vertical soap films
    If a frame is pulled out of a soapy solution, a colored ephemeral free standing film will be created. How thick is this film and how long will it last ? These are the two questions we will address. We first show that the film is composed of two zones : a zone of well-defined thickness at the bottom and a thinning (...)
  • Rudolf Podgornik (Ljubljana, Slovenia) : DNA-protein interactions in virus-like nano-particles
    Lundi 7 avril 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    DNA-protein interactions in virus-like nano-particles
    I will present recent experimental results and their theoretical framework on DNA packing in viro, i.e. inside virus capsids and virus-like nanoparticles. I will present some examples of the interaction between the nucleic acids and the proteinaceous envelope in viruses. Confined polyelectrolyte theory and nematic (...)
  • Rudolf Podgornik (Ljubljana, Slovenia) : DNA-protein interactions in virus-like nano-particles
    Lundi 7 avril 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    DNA-protein interactions in virus-like nano-particles
    I will present recent experimental results and their theoretical framework on DNA packing in viro, i.e. inside virus capsids and virus-like nanoparticles. I will present some examples of the interaction between the nucleic acids and the proteinaceous envelope in viruses. Confined polyelectrolyte theory and nematic (...)
  • Marco Rivetti (Max Planck Institute for Dynamics and Self-Organization, Göttingen)
    Lundi 14 avril 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Capillary driven deformations of elastic solids
    Surface tension plays a crucial role in designing the shape of liquid interfaces, like drops or bubbles, especially at small scales. Whenever a liquid interface is put in contact with a soft solid, capillary forces may be strong enough to induce deformations of the solid. In some configurations these deformations (...)
  • Marco Rivetti (Max Planck Institute for Dynamics and Self-Organization, Göttingen)
    Lundi 14 avril 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Capillary driven deformations of elastic solids
    Surface tension plays a crucial role in designing the shape of liquid interfaces, like drops or bubbles, especially at small scales. Whenever a liquid interface is put in contact with a soft solid, capillary forces may be strong enough to induce deformations of the solid. In some configurations these deformations (...)
  • Elise Lorenceau (Laboratoire Navier, Marne la Vallée)
    Lundi 28 avril 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Spontaneous oil suction by dry aqueous foams
    Detergency, food products, fire fighting or enhanced oil recovery are diverse examples that involve both aqueous foam and oil. Indeed, when using appropriate surfactants, oil and aqueous foam can be intimately mixed without destroying the foam. In most of the experimental studies concerning oils and foams, oil is (...)
  • Elise Lorenceau (Laboratoire Navier, Marne la Vallée)
    Lundi 28 avril 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Spontaneous oil suction by dry aqueous foams
    Detergency, food products, fire fighting or enhanced oil recovery are diverse examples that involve both aqueous foam and oil. Indeed, when using appropriate surfactants, oil and aqueous foam can be intimately mixed without destroying the foam. In most of the experimental studies concerning oils and foams, oil is (...)
  • Yves Méheust (Géosciences Rennes, Université Rennes 1) : séminaire reporté au 26 Mai
    Lundi 5 mai 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Mixing and reaction kinetics in porous media : an experimental pore scale quantification
    The mixing of chemical elements and nutrients is a primary controlling process for reactive transport in the subsurface, and consequently for biogeochemical cycles and contaminant transport in subsurface environments. Reaction kinetics measured in well-mixed laboratory reactors are never encountered on the field, (...)
  • Yves Méheust (Géosciences Rennes, Université Rennes 1) : séminaire reporté au 26 Mai
    Lundi 5 mai 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Mixing and reaction kinetics in porous media : an experimental pore scale quantification
    The mixing of chemical elements and nutrients is a primary controlling process for reactive transport in the subsurface, and consequently for biogeochemical cycles and contaminant transport in subsurface environments. Reaction kinetics measured in well-mixed laboratory reactors are never encountered on the field, (...)
  • Claire Wilhelm (Matière & systèmes complexes, Paris-Diderot) : annulé
    Lundi 12 mai 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Magnetic nanoparticles as cellular labels : cell imaging, tissue engineering, fate and intercellular transfer.
    Cell therapies and medically oriented nanotechnologies are currently among promising biotechnologies. One promising approach is to associate magnetic nanoparticles with cells in order to supply them with sufficient magnetization to be detectable by MRI, manipulated by magnetic forces, or treated with therapeutic (...)
  • Claire Wilhelm (Matière & systèmes complexes, Paris-Diderot) : annulé
    Lundi 12 mai 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Magnetic nanoparticles as cellular labels : cell imaging, tissue engineering, fate and intercellular transfer.
    Cell therapies and medically oriented nanotechnologies are currently among promising biotechnologies. One promising approach is to associate magnetic nanoparticles with cells in order to supply them with sufficient magnetization to be detectable by MRI, manipulated by magnetic forces, or treated with therapeutic (...)
  • Steve Plotkin (UBC Vancouver)
    Lundi 19 mai 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Generalizing Euclidean distance to understand polymer uncrossing and knotting : A physicist's foray into protein folding
    Physics often deals quite rightfully with symmetries and conservation laws, while molecular biology has historically retained little of this distinguished standard. Even the simplest biological macromolecules are aperiodic, have disordered energetics, and have enormously vast phase space relevant at biological (...)
  • Steve Plotkin (UBC Vancouver)
    Lundi 19 mai 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Generalizing Euclidean distance to understand polymer uncrossing and knotting : A physicist's foray into protein folding
    Physics often deals quite rightfully with symmetries and conservation laws, while molecular biology has historically retained little of this distinguished standard. Even the simplest biological macromolecules are aperiodic, have disordered energetics, and have enormously vast phase space relevant at biological (...)
  • Yves Meheust (Geosciences Rennes) : Mixing and reaction kinetics in porous media : an experimental pore scale quantification
    Lundi 26 mai 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Mixing and reaction kinetics in porous media : an experimental pore scale quantification
    The mixing of chemical elements and nutrients is a primary controlling process for reactive transport in the subsurface, and consequently for biogeochemical cycles and contaminant transport in subsurface environments. Reaction kinetics measured in well-mixed laboratory reactors are never encountered on the field, (...)
  • Yves Meheust (Geosciences Rennes) : Mixing and reaction kinetics in porous media : an experimental pore scale quantification
    Lundi 26 mai 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Mixing and reaction kinetics in porous media : an experimental pore scale quantification
    The mixing of chemical elements and nutrients is a primary controlling process for reactive transport in the subsurface, and consequently for biogeochemical cycles and contaminant transport in subsurface environments. Reaction kinetics measured in well-mixed laboratory reactors are never encountered on the field, (...)
  • Sébastien Michelin (Ladhyx, École Polytechnique) : advective effects in the self-propulsion of autophoretic particles
    Lundi 2 juin 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Advective effects in the self-propulsion of autophoretic particles
    Autophoretic particles are able to self-propel in low-Reynolds-number flows using short range interactions between their surface and solute molecules produced or consumed by chemical reaction catalyzed at the particle's surface. The resulting motion is a fundamental example of synthetic particles achieving (...)
  • Sébastien Michelin (Ladhyx, École Polytechnique) : advective effects in the self-propulsion of autophoretic particles
    Lundi 2 juin 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Advective effects in the self-propulsion of autophoretic particles
    Autophoretic particles are able to self-propel in low-Reynolds-number flows using short range interactions between their surface and solute molecules produced or consumed by chemical reaction catalyzed at the particle's surface. The resulting motion is a fundamental example of synthetic particles achieving (...)
  • Pascal Damman (Laboratoire Interfaces & Fluides Complexes, Université de Mons, Belgique)
    Lundi 16 juin 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Patterns formation through elastic instabilities
    Hydrodynamics instabilities, such as B-enard-Marangoni convection, Rayleigh-Plateau, Rayleigh-Taylor and many others, are well known to produce beautiful patterns (see the book of F. Charru, Hydrodynamics Instabilities). Capillary, viscous and/or inertial forces conspire to generate very regular morphologies. In (...)
  • Pascal Damman (Laboratoire Interfaces & Fluides Complexes, Université de Mons, Belgique)
    Lundi 16 juin 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Patterns formation through elastic instabilities
    Hydrodynamics instabilities, such as B-enard-Marangoni convection, Rayleigh-Plateau, Rayleigh-Taylor and many others, are well known to produce beautiful patterns (see the book of F. Charru, Hydrodynamics Instabilities). Capillary, viscous and/or inertial forces conspire to generate very regular morphologies. In (...)
  • Christophe Blanc (Laboratoire Charles Coulomb, Montpellier)
    Lundi 23 juin 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Colloids trapped at complex liquid interfaces
    The physics of micron-sized particles trapped at liquid interfaces has been extensively studied from both fundamental and applied reasons. Model systems based on trapped microspheres have thus been used to study the physics of low-dimension systems. In the same time, colloidal particles are now commonly used in (...)
  • Christophe Blanc (Laboratoire Charles Coulomb, Montpellier)
    Lundi 23 juin 2014 11:15-12:15 - Bibliothèque PCT - F3.04
    Colloids trapped at complex liquid interfaces
    The physics of micron-sized particles trapped at liquid interfaces has been extensively studied from both fundamental and applied reasons. Model systems based on trapped microspheres have thus been used to study the physics of low-dimension systems. In the same time, colloidal particles are now commonly used in (...)

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General recommendations for the speakers

The audience is often heterogeneous - because of the wide range of scientific topics covered in the lab - so planning a talk for a broader audience would be preferred. The seminar is in English, and speakers are thus invited to prepare their slides in English.

The seminar starts at 11:30 AM. The speaker is asked to arrive in the lab at least 15 minutes in advance to set up their computer. The talks last typically 45 minutes, and are followed by a discussion time.

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