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Display: 1-50 | 51-100 | 101-150 | 151-200 | 201-217
Mécano-sensibilité des cellules vivantes: rôle de la rigidité de l'environnement sur la migration cellulaire.
By Benoit Ladoux
January 19, 2015 at 11:00AM - seminar room LJP (5-31)
Les forces mécaniques jouent un rôle important dans la croissance et la formation des tissus et des organes qui composent notre corps. La perception qu'ont les cellules vivantes de ...
Vieillissement, relaxation de contrainte et fracture des hydrogels de biopolymère
By Olivier Ronsin
January 12, 2015 at 11:00AM - seminar room LJP (5-31)
Les hydrogels de biopolymère, matériaux constitués d'un réseau de chaînes de polymères réticulées, gonflé par un solvant aqueux, suscitent...
Raman Tweezers Microspectroscopy of Extracellular Vesicles in ~100 nm Range
By Serguei Kruglik
December 1, 2014 at 11:00AM - Salle de réunion du LJP (5-31)
 In recent years, the existence of a specific way of cell communication based on the release of membranous nano/micro-sized vesicles has been discovered and acknowledged; and the research in ...
Experimental study of metabolic adaptation in time-structure environments.
By Jean-Baptiste Boulé
November 24, 2014 at 11:00AM - seminar room LJP (tower 32, 5th floor)
Life is a history-driven process, pervaded by memories at many scale, from the molecular assembly patterns inside a cell up to the cultural organization of human societies. Memory can be defined as a ...
Multi-protein complexes: functions and constraints
By Anne-Florence Bitbol (Princeton University)
November 21, 2014 at 11:00AM - seminar room LJP (tower 32, 5th floor)
(Lewis-Sigler Institute for Integrative Genomics and Department of Physics, Princeton University) Self-assembled multi-protein complexes play key roles in cells, e.g., as molecular motors, enzymes, ...
Time-gated detection of near infrared quantum for in vivo cell tracking in small animals
By Sophie Bouccara (ESPCI)
November 3, 2014 at 11:00AM - seminar room LJP (tower 32, 5th floor)
In vivo cell tracking is a promising tool to improve our understanding of certainbiological processes (circulating tumour cells migration, immune cells activity).Fluorescence microscopy ensures a high...
Slow fronts at the transition from static to kinetic friction
By Julien Scheibert - Laboratoire de Tribologie et Dynamique des Systèmes, CNRS / Ecole Centrale de Lyon, Ecully
October 28, 2014 at 11:00AM - Salle de réunion du LJP
The contact between macroscopic rough solids is made of many micrometric asperities in contact. Under increasing shear force, a catastrophic rupture of the interface can occur through the ...
Biomimetism of rats tactile perception
By Laure Nayélie Claverie (LJP)
October 27, 2014 at 11:00AM - seminar room (tower 32, 5th floor)
Nous nous intéressons aux mécanismes de transduction de l'information tactile chez le rat qui utilise ses moustaches faciales ou vibrisses pour appréhender son environnement. Nous...
Seeing bacteria grow - from single molecules to cell shape and size
By Sven van Teeffelen (Pasteur Institute)
October 20, 2014 at 11:00AM - seminar room LJP (tower 32, 5th floor)
Bacterial cell shape is important for cell viability and many biological functions such as motility, host invasion, and biofilm formation. Rod-like Gram-negative bacteria such as Escherichia coli ...
Learning from fluctuations: The mechanics of active and passive cellular assemblies
By Timo Betz (Institut Curie, CNRS)
October 13, 2014 at 11:00AM - seminar room LJP (tower 23, 5th floor)
Understanding the intriguing complexity of living systems is one of the main driving forces of science. To gain insight we use biomimetic systems that reconstitute well defined cellular assemblies and...
Fluid ratchets and biological locomotion
By Jun ZHANG (New York University)
October 10, 2014 at 11:00AM - seminar room LJP (tower 23, 5th floor)
In this talk, I will discuss a few laboratory experiments that were inspired from examples of biological locomotion.There, solid structures were forced to interact with their surrounding fluid. These ...
Protein fluctuations and phenotypic variability in populations of microorganisms
By Hanna Salman
June 30, 2014 at 02:00PM - Salle de réunion du LJP (tour 23, 5ème étage)
Populations of microorganisms exhibit wide variability in protein expression that can lead to differences in shape, structure, and behavior. In this talk I will describe the effect of expression ...
Modélisation et simulations numériques de la formation de biofilms phototrophiques.
By Magali Ribot
May 16, 2014 at 11:00AM - Salle de réunion du LJP (5.31)
Dans cet exposé, nous cherchons à obtenir un modèle hydrodynamique reproduisantla croissance de biofilms  de cyanobactéries se développant au fond de ...
Sensory representations in spiking networks: matching encoding and decoding
By Fleur Zeldenrust
May 13, 2014 at 02:00PM - Salle de réunion du LJP
In computational neuroscience, a key question is how information is represented in the activity of neurons (spike trains). Many questions about the nature of this 'neural code' remain open, for ...
Mysterious mechanism of bacterial motility over surfaces: a story of rotors, stators and slime
By Tâm Mignot
April 29, 2014 at 02:00PM - Salle de réunion du LJP (5.31)
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Self-organization of synthetic biochemical networks within microfluidic devices
By André Estévez-Torres et Jean-Christophe Galas
April 15, 2014 at 02:00PM - Salle de réunion du LJP (5.31)
The generation of macroscopic spatiotemporal order in a system of microscopic objects is a fundamental question with important implications in biological morphogenesis. How do nanometer-sized ...
Adaptation évolutive de virus
By Claude LOVERDO (LJP)
April 1, 2014 at 02:00PM - Salle de réunion du LJP (5.31)
Après une thèse en physique théorique appliquée à la biologie, dont je présenterai brièvement les résultats principaux, j'ai fait de 2010 ...
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By Céline Gouldieff
March 26, 2014 at 02:00PM - Salle de réunion du LJP
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By George Weber
March 24, 2014 at 02:00PM - Salle de réunion du LJP
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By Clément LAFARGE, candidat poste MdC
March 21, 2014 at 02:00PM - Salle de réunion du LJP (5-31)
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By Nada KHALIFAT, Candidat poste MdC
March 19, 2014 at 02:00PM - Salle de réunion du LJP (5-31)
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Mitotic spindle force balance and positioning : A bottom up approach
By Sophie ROTH
March 18, 2014 at 02:00PM - Salle de réunion du LJP
Important functions of eucaryotic cells, like motility or division, depend sensitively on cytoskeletal mechanics and organization. In particular, microtubules (MTs) are dynamic polymers  that can...
Etudes optiques non linéaires et réalisation de mémoires optiques 2D et 3D en utilisant la microscopie SHG e
By Iliopoulos Konstantinos, Université d?Angers, candidat MdC
March 17, 2014 at 02:00PM - Salle de réunion du LJP (5-31)
Il s’agit d’études optiques non linéaires (ONL) de molécules organiques et de nanoparticules. La liaison entre la structure moléculaire et la réponse...
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By Emilie BULARD (Université Joseph Fourrier, Grenoble), Candidat poste MdC
March 14, 2014 at 02:00PM - -
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Nouvelles approches exp
By Philippe BABILOTTE, candidat poste MdC
March 13, 2014 at 02:00PM - Salle de réunion du LJP (5-31)
Les dispositifs d'évaluation quantitative du niveau de degradation ou de caracterisationde données physico-bio-chimiques de tissus sont d'un interêt majeur, car ils permettent...
Etude du trafic intradendritique par suivi de particules individuelles fluorescentes dans des neurones primaires
By Sophie MASSOU
March 12, 2014 at 11:00AM - Salle de réunion du LJP
La mise en place et le maintien des fonctions neuronales sont très fortement dépendants du transport intracellulaire dans les dendrites et l’axone nécessaire à ...
Effets des acides gras polyinsaturés (w3) sur les propriétés et la dynamique membranaires
By Mathieu PINOT, Candidat poste MdC, UMR-CNRS 144, Mécanismes moléculaires impliqués dans le transport intracellulaire
March 7, 2014 at 02:00PM - salle de réunion LJP (5-31)
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Into the light: from Organic Optoelectronics to Medical Diagnostics
By Alessia QUATELA, Groupe de Chimie Analytique de l'Université Paris-Sud, Candidat poste MdC
March 5, 2014 at 02:00PM - Salle de réunion du LJP (5-31)
What do optoelectronics and medical diagnostics have in common? Applications of photonicsare ubiquitous. Included are all areas from everyday life to the most advanced science, e.g.light detection, ...
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By Piernicolas SPINICELLI (LPEM, ESPCI), Candidat poste MdC
February 28, 2014 at 02:00PM - -
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Spectroscopie de nano-dimeres d'or uniques par temps de vol de photons et par diffusion résonante de lumière en canau
By Matthieu LOUMAIGNE, Candidat poste MdC
February 26, 2014 at 02:00PM - Salle de réunion du LJP (5-31)
Parmi les nombreux candidats au statut de marqueur biologique pour lamicroscopie, les nanoparticules d'or présentent un intérêt toutparticulier. Ces dernières sont ...
Mapping microscopic viscosity using molecular rotors
By Marina KUIMOVA (Imperial college of London)
February 24, 2014 at 11:00AM - Salle de réunion du LJP (5-31)
Viscosity is one of the main factors which influence diffusion in condensed media. In a cell viscosity can play a role in several diffusion mediated processes, such as drug delivery, signalling ...
Gene expression regulation by specific transcription factors: How to be at the right place at the right time?
By Davide NORMANNO, Candidat poste MdC
February 21, 2014 at 02:00PM - Salle de réunion du LJP (5-31)
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Microscopie polarimétrique du collagène de type 1 par génération de second harmonique dans des systèmes modèles et tissus
By Dora AIT-BELKACEM, Candidat poste MdC
February 19, 2014 at 02:00PM - Salle de réunion du LJP (5-31)
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Cell mechanics ? from single molecules toward filopodia
By Thomas Bornschlögl (Institut Curie), Candidat poste MdC
February 17, 2014 at 11:00AM - Salle de réunion du LJP (5-31)
I study how mechanical forces define and alter cellular behavior from a single molecule level to the more complex level of cellular sub-structures. One specific protein structure called coiled coil is...
Mecano-transduction : From a single cell (µm), in vitro, to a single embryo (mm), in vivo.
By Demostène Mitrossilis (Institut Curie), candidat poste MdC
February 10, 2014 at 11:00AM - Salle de réunion du LJP (5-31)
Mechanics occurs in many phenomenon of living matter in nature. Mechanical cues generated by developmental strain deformation were found to activate major developmental biochemical events, in living ...
Rules of sensorimotor computation during tactile navigation
By Tansu Celikel
February 7, 2014 at 11:00AM - Salle de réunion du LJP (5.31)
Tactile exploration in the rodent whisker system is a sensorimotor process in which whisker touch modulates whisker motion. Understanding the neural computation underlying object localization requires...
Towards increased selectivity of cancer treatment by photodynamic ther
By Pavol Miskovsky (University P. J. Safarik, Kosice)
February 4, 2014 at 11:00AM - Salle de réunion du LJP (5-31)
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Transformation of retinal direction selectivity in the zebrafish optic tectum.
By Martin Meyer (London King's College)
January 27, 2014 at 02:00PM - Salle de réunion du LJP (5.31)
The ability to detect motion, whether it results from movement of the observer or another object, is perhaps the most important task performed by the visual system. It is therefore not surprising that...
PhD Defense: Laser sheet imaging of the neuronal activity of Zebra fish larva brain
By Thomas Panier (LJP)
January 20, 2014 at 02:30PM - UPMC (Jussieu Campus- Bar 22-23, 1st floor, Room107).
The core of the thesis focuses on the design of a Single Plane Illumination Microscope in order to record the neuronal activity of a zebrafish larvae. We aim at recording the whole chain of ...
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By Raphaël Voituriez (LJP)
December 16, 2013 at 11:00AM - Salle de réunion du LJP (5.31)
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Genome-wide differential regulation of protein production by growth rate in bacteria
By Matthieu Jules (INRA, UMR1319 Micalis, Jouy-en-Josas)
December 9, 2013 at 11:00AM - Salle de réunion du LJP (5.31)
  We herein revisit the contribution of translation to global mechanisms allowing bacteria to modulate abundance of single proteins with respect to the growth rate. Current theories suggest that...
Direct measurements of mutation rates in single living cells in real time
By Marina Elez (Université d'Evry)
December 2, 2013 at 11:00AM - Salle de réunion du LJP (5.31)
Mutations are the raw material of evolution and play important roles in cancer, AIDS, and other human diseases. Because mutations are rare, they are hard to detect, particularly as they emerge. For ...
Etude du comportement de la larve de poisson-zèbre sous stimulation hydromécanique : rôle des différentes modalités sensori
By Raphaël Olive (doctorant au LJP - UPMC)
November 18, 2013 at 12:00AM - Salle de réunion du LJP (5.31)
La larve de poisson-zèbre, animal modèle dans le domaine des neurosciences et des sciences cognitives, présente un comportement riche malgré un nombre de neurones ...
Advances in multiphoton microscopy: multicolor excitation with synchronized pulses and light-sheet excitation
By Pierre Mahou (Laser Analytics Group - University of Cambridge)
October 28, 2013 at 11:00AM - LJP meeting room (5.31)
During this seminar, I will discuss recent advances in nonlinear microscopy aiming at increasing the number of available contrasts and the imaging speed. In particularly, I will present results ...
Interplay between hard core repulsion and self propulsion in active fluids
By Olivier Dauchot (UMR Gulliver / ESPCI)
October 21, 2013 at 11:00AM - Salle de réunion du LJP (5.31)
Collective motion in driven or self-propelled particle systems is a topic of recent interdisciplinary interest. Within physics, following the works of Vicsek et al. and Toner and Tu, most progress was...
Making an effort to listen: mechanical amplification by myosin molecules and ion channels in hair cells of the inner ear.
By James Hudspeth (Laboratory of Sensory Neuroscience, Rockefeller University, NY)
October 17, 2013 at 11:00AM - LJP meeting room (5.31)
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Imagerie polarimétrique multi-spectrale et diagnostics médicaux
By Angelo Pierangelo (LPICM, Ecole Polytechnique)
October 14, 2013 at 11:00AM - Salle de réunion du LJP (5.31)
Le 90% des cancers s’origine dans le tissu épithélial qui recouvre la plus part des organes. Le diagnostic précoce du cancer suivi par un acte chirurgical qui permet ...
Unidimensional Random-Walk models to analyse fixed force and fixed position unzipping experiments.
By Simona Cocco (LPS - ENS)
October 7, 2013 at 11:00AM - Salle de réunion du LJP (5.31)
I will present a simple framework to describe the DNA unzipping, which is the separation of the two DNA complementary strands by a mechanical force. I will describe the experiments and theory of DNA ...
Quantitative fluorescence diffuse optical tomography(fDOT): Principles and applications
By Anikitos Garofalakis
September 30, 2013 at 11:00AM - Salle de réunion du LJP
The potential of small animal photonic imaging has been considerably improved since the development of fluorescence diffuse optical tomography (fDOT) ten years ago. fDOT is a preclinical technique ...
Interaction phage-bactérie: de l'in vitro à l'in vivo, de la cellule individuelle au biofilm
By Marta de Frutos (IBBMC Orsay - VMS Gif sur Yvette)
September 23, 2013 at 12:00AM - Salle de réunion du LJP
Les bactériophages (virus bactériens) sont des assemblages protéiques complexes capables de détourner la machinerie biosynthétique des bactéries afin ...

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