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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

Map

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)

  • Karin Sadoul (Institut Albert Bonniot, Grenoble)
    Lundi 27 avril 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Motor-Driven Marginal Band Coiling Promotes Cell Shape Change During Platelet Activation
    Boubou Diagouraga, Alexei Grichine, Arnold Fertin, Jin Wang, Saadi Khochbin and Karin Sadoul Circulating quiescent platelets have a flat, discoid shape maintained by a peripheral ring of microtubules, called the marginal band. Platelets are activated after vessel injury and undergo a major shape change known as (...)
  • Karin Sadoul (Institut Albert Bonniot, Grenoble)
    Lundi 27 avril 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Motor-Driven Marginal Band Coiling Promotes Cell Shape Change During Platelet Activation
    Boubou Diagouraga, Alexei Grichine, Arnold Fertin, Jin Wang, Saadi Khochbin and Karin Sadoul Circulating quiescent platelets have a flat, discoid shape maintained by a peripheral ring of microtubules, called the marginal band. Platelets are activated after vessel injury and undergo a major shape change known as (...)
  • Karin Jacobs (Universität des Saarlandes, Germany)
    Lundi 4 mai 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Adhesion, Adsorption and Friction : Are Surface Phenomena Superficial ?
    As adhesion is a key issue for researchers of various fields, it is of uppermost importance to understand the parameters that are involved. Commonly, only surface parameters are employed to determine the adhesive forces between materials. Yet, van der Waals forces act not only between atoms in the vicinity of the (...)
  • Karin Jacobs (Universität des Saarlandes, Germany)
    Lundi 4 mai 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Adhesion, Adsorption and Friction : Are Surface Phenomena Superficial ?
    As adhesion is a key issue for researchers of various fields, it is of uppermost importance to understand the parameters that are involved. Commonly, only surface parameters are employed to determine the adhesive forces between materials. Yet, van der Waals forces act not only between atoms in the vicinity of the (...)
  • James Forrest (Total Chair & University of Waterloo, Canada)
    Lundi 11 mai 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Towards an Understanding of Glass Transitions in Thin Films
    For the past 20 years, there has been significant experimental, computational, and theoretical work on anomalous dynamics in thin films of glass forming polymers. Even considering only the single material, polystyrene (PS), the number of experiments, and the wide range of conclusions that have been reached from (...)
  • James Forrest (Total Chair & University of Waterloo, Canada)
    Lundi 11 mai 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Towards an Understanding of Glass Transitions in Thin Films
    For the past 20 years, there has been significant experimental, computational, and theoretical work on anomalous dynamics in thin films of glass forming polymers. Even considering only the single material, polystyrene (PS), the number of experiments, and the wide range of conclusions that have been reached from (...)
  • Abdelhamid Maali (LOMA, Université de Bordeaux)
    Lundi 18 mai 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Dynamic AFM : Nano-Rheology of Confined Fluids
    In this talk I will present a study of the atomic force microscope (AFM) in liquid medium and its application to the study of the rheology of confined fluids. We will see that the AFM allows not only to image the surface of a substrate but also to measure the properties of the medium that is confined between the (...)
  • Abdelhamid Maali (LOMA, Université de Bordeaux)
    Lundi 18 mai 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Dynamic AFM : Nano-Rheology of Confined Fluids
    In this talk I will present a study of the atomic force microscope (AFM) in liquid medium and its application to the study of the rheology of confined fluids. We will see that the AFM allows not only to image the surface of a substrate but also to measure the properties of the medium that is confined between the (...)
  • Herbert Hui (Paris Sciences Chair & Cornell University, USA)
    Lundi 1er juin 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Surface Tension in Solids and its Effect on the Mechanics of Contact and Fracture
    Elasto-capillarity phenomena – solid deformation driven by liquid surface tension – have been extensively studied, but are distinct from phenomena driven by solid surface tension. The characteristic length scale that describes the deformation of a solid due to surface tension is given by the ratio between the (...)
  • Herbert Hui (Paris Sciences Chair & Cornell University, USA)
    Lundi 1er juin 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Surface Tension in Solids and its Effect on the Mechanics of Contact and Fracture
    Elasto-capillarity phenomena – solid deformation driven by liquid surface tension – have been extensively studied, but are distinct from phenomena driven by solid surface tension. The characteristic length scale that describes the deformation of a solid due to surface tension is given by the ratio between the (...)
  • Alberto Fernandez-Nieves (Paris Sciences Chair & Georgia Tech, USA)
    Lundi 8 juin 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Toroidal Droplets – Generation, Evolution in the Absence and in the Presence of Charge, Stabilization and Nematic Order
    We will describe our experiments on the generation, hydrodynamic stability and stabilization of toroidal droplets ; we will discuss both neutral and charged toroidal droplets. We will then focus on nematics and discuss how the toroidal confinement affects the director organization inside these spaces, both for (...)
  • Alberto Fernandez-Nieves (Paris Sciences Chair & Georgia Tech, USA)
    Lundi 8 juin 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Toroidal Droplets – Generation, Evolution in the Absence and in the Presence of Charge, Stabilization and Nematic Order
    We will describe our experiments on the generation, hydrodynamic stability and stabilization of toroidal droplets ; we will discuss both neutral and charged toroidal droplets. We will then focus on nematics and discuss how the toroidal confinement affects the director organization inside these spaces, both for (...)
  • Martin Bazant (MIT, USA)
    Lundi 15 juin 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Control of Dendritic Growth in Electrodeposition
    For over 30 years, physicists have studied electrodeposition as a canonical example of fractal dendritic growth. The simplest model is Diffusion-Limited Aggregation (DLA), but electromigration, convection, and surface phenomena also play important roles. This talk will introduce the basic physics of (...)
  • Martin Bazant (MIT, USA)
    Lundi 15 juin 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Control of Dendritic Growth in Electrodeposition
    For over 30 years, physicists have studied electrodeposition as a canonical example of fractal dendritic growth. The simplest model is Diffusion-Limited Aggregation (DLA), but electromigration, convection, and surface phenomena also play important roles. This talk will introduce the basic physics of (...)
  • Tristan Baumberger (INSP, Paris VI)
    Lundi 22 juin 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Build-Up of a Thermoreversible Polymer Network : from Early Local to Late Collective Dynamics
    Thermoreversible polymer gels exhibit slow - logarithmic - mechanical strengthening. As is the case for many disordered systems, although this aging process is handwavingly ascribable to the “complexity of the energy landscape”, a more detailed understanding remains elusive. In order to gain some insight into the (...)
  • Tristan Baumberger (INSP, Paris VI)
    Lundi 22 juin 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Build-Up of a Thermoreversible Polymer Network : from Early Local to Late Collective Dynamics
    Thermoreversible polymer gels exhibit slow - logarithmic - mechanical strengthening. As is the case for many disordered systems, although this aging process is handwavingly ascribable to the “complexity of the energy landscape”, a more detailed understanding remains elusive. In order to gain some insight into the (...)
  • Jean-François Lutz (Institut Charles Sadron, Strasbourg)
    Lundi 29 juin 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Unnatural Information-containing Macromolecules
    Information-containing macromolecules are polymers that contain a message encrypted in their comonomer sequences. The archetypal example of such a polymer is DNA, which is used in biology to store genetic information. However, DNA is certainly not the only polymer that can contain molecular information. In (...)
  • Jean-François Lutz (Institut Charles Sadron, Strasbourg)
    Lundi 29 juin 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Unnatural Information-containing Macromolecules
    Information-containing macromolecules are polymers that contain a message encrypted in their comonomer sequences. The archetypal example of such a polymer is DNA, which is used in biology to store genetic information. However, DNA is certainly not the only polymer that can contain molecular information. In (...)
  • Soft Matter Days 2015
    From 2 July 2015 09:00 to 3 July 2015 17:50
  • Soft Matter Days 2015
    From 2 July 2015 09:00 to 3 July 2015 17:50
  • Frédéric Restagno (LPS, Université Paris-Sud)
    Lundi 7 septembre 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Polymer Brushes Dynamics in Melt, Sheared and Confined Situations
    End tethered polymer chains have been recognized to be excellent adhesion promoters at polymer interfaces provided that they can penetrate and interdigitate into the bulk polymer. As a consequence, tethered chain dynamics is of major importance to understand the mechanical answer of a polymer close to a surface. (...)
  • Frédéric Restagno (LPS, Université Paris-Sud)
    Lundi 7 septembre 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Polymer Brushes Dynamics in Melt, Sheared and Confined Situations
    End tethered polymer chains have been recognized to be excellent adhesion promoters at polymer interfaces provided that they can penetrate and interdigitate into the bulk polymer. As a consequence, tethered chain dynamics is of major importance to understand the mechanical answer of a polymer close to a surface. (...)
  • Etienne Rolley (LPS, ENS)
    Lundi 14 septembre 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Adsorption-Induced Strains of a Nanoscale Silicon Honeycomb
    Porous Silicon obtained from highly doped Si can be thought of as a nanoscale random honeycomb with pores parallel to the [001] axis. For about 10 years, this system has received renewed attention as a model system for adsorption studies. One of the intriguing features of this system is that the emptying of (...)
  • Etienne Rolley (LPS, ENS)
    Lundi 14 septembre 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Adsorption-Induced Strains of a Nanoscale Silicon Honeycomb
    Porous Silicon obtained from highly doped Si can be thought of as a nanoscale random honeycomb with pores parallel to the [001] axis. For about 10 years, this system has received renewed attention as a model system for adsorption studies. One of the intriguing features of this system is that the emptying of (...)
  • Karsten Kruse (Universität des Saarlandes, Germany)
    Lundi 21 septembre 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Spontaneous Actin Polymerization Waves and Cell Motility
    The crawling of living cells on solid substrates is often driven by the actin cytoskeleton, a network of structurally polar filamentous proteins that is intrinsically driven by the hydrolysis of ATP. How cells organize their actin network during crawling is still poorly understood. A possible general mechanism (...)
  • Karsten Kruse (Universität des Saarlandes, Germany)
    Lundi 21 septembre 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Spontaneous Actin Polymerization Waves and Cell Motility
    The crawling of living cells on solid substrates is often driven by the actin cytoskeleton, a network of structurally polar filamentous proteins that is intrinsically driven by the hydrolysis of ATP. How cells organize their actin network during crawling is still poorly understood. A possible general mechanism (...)
  • Hanneke Gelderblom (University of Twente, Netherlands)
    Lundi 28 septembre 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Propelling and Shaping Liquid Drops by Laser-Pulse Impact
    The impact of a laser pulse onto a liquid drop can be so violent that it leads to strong propulsion, deformation and eventually fragmentation of the drop. Here, we investigate how the drop response depends on the laser-pulse properties and drop characteristics by combining high-speed and stroboscopic imaging (...)
  • Hanneke Gelderblom (University of Twente, Netherlands)
    Lundi 28 septembre 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    Propelling and Shaping Liquid Drops by Laser-Pulse Impact
    The impact of a laser pulse onto a liquid drop can be so violent that it leads to strong propulsion, deformation and eventually fragmentation of the drop. Here, we investigate how the drop response depends on the laser-pulse properties and drop characteristics by combining high-speed and stroboscopic imaging (...)
  • Lionel Bureau (LIPhy, Université Joseph Fourier, Grenoble)
    Lundi 5 octobre 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    The Physics of Stimuli-Responsive Polymer Brushes Probed with Optics
    Advanced functional substrates designed from polymer brushes have known a rapidly growing interest over the past fiteen years, with a particular attention paid to the elaboration of brushes made of stimuli-responsive polymers, in order to design smart surfaces whose properties can be altered on demand via the (...)
  • Lionel Bureau (LIPhy, Université Joseph Fourier, Grenoble)
    Lundi 5 octobre 2015 11:15-12:15 - Bibliothèque PCT - F3.04
    The Physics of Stimuli-Responsive Polymer Brushes Probed with Optics
    Advanced functional substrates designed from polymer brushes have known a rapidly growing interest over the past fiteen years, with a particular attention paid to the elaboration of brushes made of stimuli-responsive polymers, in order to design smart surfaces whose properties can be altered on demand via the (...)

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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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