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) -

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 ...

- By Céline Gouldieff March 26, 2014 at 02:00PM - Salle de réunion du LJP -

- By George Weber March 24, 2014 at 02:00PM - Salle de réunion du LJP -

- By Clément LAFARGE, candidat poste MdC March 21, 2014 at 02:00PM - Salle de réunion du LJP (5-31) -

- By Nada KHALIFAT, Candidat poste MdC March 19, 2014 at 02:00PM - Salle de réunion du LJP (5-31) -

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...

- By Emilie BULARD (Université Joseph Fourrier, Grenoble), Candidat poste MdC March 14, 2014 at 02:00PM - - -

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) -

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, ...

- By Piernicolas SPINICELLI (LPEM, ESPCI), Candidat poste MdC February 28, 2014 at 02:00PM - - -

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) -

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) -

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) -

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 ...

- By Raphaël Voituriez (LJP) December 16, 2013 at 11:00AM - Salle de réunion du LJP (5.31) -

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) -

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 ...

How Droplets Meet, Greet and Bind to Each Other By Lea-Laetitia Pontani (NYU, USA) July 3, 2013 at 12:00AM - Salle de réunion du LJP Emulsion droplets are a versatile system whose interactions can be tuned to mimic cellular functions, such as domain formation, adhesion or hemifusion. For example, immiscible lipids on the surface of...

Efferent modulation in the mechanosensory lateral line of the larval zebrafish By Iris Odstrcil (Engert's lab, Harvard) June 27, 2013 at 11:30AM - Salle de réunion du LJP Efferent modulation in the mechanosensory lateral line of the larval zebrafish

Génétique, géométrie et développement By Francis Corson - Unité Physique des Systèmes Biologiques Institut Pasteur June 17, 2013 at 11:00AM - Salle de réunion du LJP Le développement des organismes multicellulaires repose sur des réseaux génétiques et moléculaires complexes, dont le comportement résiste à ...

Application of biophotonics in the analysis of berberine interaction with LDL in cell models By Nathalia Luiza Andreazza (LJP) June 10, 2013 at 11:00AM - Salle 107 UFR de Physique Tour 22-23 Application of biophotonics in the analysis of  berberine interaction with LDL in cell models

Aptameres screening and nanoparticules that can target tumors via in vivo optival imaging By Frédéric Ducongé (CEA, I2BM, SHFJ - INSERM U1023). May 27, 2013 at 11:00AM - Salle de réunion du LJP Frédéric Ducongé will give a talk on "Aptameres screening and nanoparticules that can target tumors via in vivo optival imaging".

Physics of Curling at the Macro- and Micro-scales By Andrew Callan Jones May 13, 2013 at 11:00AM - Salle de réunion du LJP Curling of thin objects is ubiquitous in nature, from peeling of dried paint to bursting red blood cells. In this talk, I will present two problems involving curling of thin objects.  First, the ...

Déstabilisation de radeaux de particules By Suzie Protière April 29, 2013 at 11:00AM - Salle de réunion du LJP Le piégeage de petits objets à une interface est un phénomène courant dans la Nature (insectes marchant sur l’eau, radeaux de fourmis, bulles ou pollen à ...

Patchwork on the zebrafish activity at the lab: preliminary results and projects By Raphaël Candelier April 22, 2013 at 12:00AM - Salle de réunion du LJP Raphaël C. will present the guiding lines of the current projects on the zebrafish side of the lab, and some preliminary results. In the disorder, this talk will tackle methods for stimulating ...

Dynamique de la signalisation intracellulaire AMPc/PKA dans le cortex et le striatum: une approche par imagerie de biosenseu By Pierre Vincent Laboratoire de Neurobiologie des Processus adaptatifs (UMR 7102 CNRS/UPMC) April 15, 2013 at 11:00AM - Salle de réunion du LJP Les biosenseurs fluorescents permettent de mesurer de nombreux signaux intracellulaires par imagerie en temps réel dans les cellules vivantes. Cette approche nous permet d'analyser la ...