Patents Assigned to Ecole Normale Superieure
  • Publication number: 20140336373
    Abstract: The present invention concerns complexing agents of formula (I) in which a, b, c, chrom1, chrom2, chrom3, R3, R4 and R5 are as defined in the description. The invention also concerns lanthanide complexes comprising said complexing agents, as well as a method for synthesizing said agents.
    Type: Application
    Filed: July 17, 2012
    Publication date: November 13, 2014
    Applicants: CISBIO BIOASSAYS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE NORMALE SUPERIEURE DE LYON
    Inventors: Laurent Lamarque, Olivier Maury, David Parker, Jurriaan Zwier, James W. Walton, Adrien Bourdolle
  • Publication number: 20140186364
    Abstract: The subject matter of the present disclosure relates to an in vitro method for the screening of anti-cancer compounds based on the capacity for these compounds to interact with neurotrophin 3 (NT-3 or NT3), to the extracellular domain or TrkC receptor and/or to inhibit the dimerization of the intracellular domain of the TrkC receptor expressed in tumor cells, particularly in neuroblastoma. The disclosure also relates to a method for predicting the presence of metastatic cancer or a bad prognosis cancer, or for determining the efficiency of an anti-cancer treatment based on the measuring of the expression level of neurotrophin 3. The disclosure further comprises kits and compounds as a medicament for the treatment of neuroblastoma or cancer overexpressing neurotrophin 3 by the tumor cells.
    Type: Application
    Filed: December 19, 2013
    Publication date: July 3, 2014
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE CLAUDE BERNARD LYON 1, ECOLE NORMALE SUPERIEURE DE LYON, CENTRE LEON BERARD
    Inventors: Patrick Etienne-Roger MEHLEN, Servane Marie-Séverine Tauszig-Delamasure, Céline Jacqueline-Andrée Delloye, Jimena Bouzas-Rodriguez
  • Publication number: 20140118811
    Abstract: A method and a system is provided for configuring a device for correcting the effect of a medium on a light signal having propagated through the medium, the device including at least one optical element whose phase profiles are individually adjustable. The configuring system and method include propagating a reference signal and a disordered signal obtained at the output of the medium through the correcting device. An interference parameter is measured and optimized by modifying the phase profile of each of the optical elements of the correcting device. A method and a system is also provided for correcting the effect of a medium on a light signal having propagated through the medium.
    Type: Application
    Filed: December 21, 2011
    Publication date: May 1, 2014
    Applicants: UNIVERSITE PIERRE ET MARIE CURIE (PARIS 6), AUSTRALIAN NATIONAL UNIVERSITY, ECOLE NORMALE SUPERIEURE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Jean-François Morizur, Hans Bachor, Nicolas Treps
  • Publication number: 20140113366
    Abstract: The invention relates to a microfluidic system for controlling a card for the concentration of molecules capable of stimulating a target, for example formed by an assembly of living cells, characterized in that the system comprises a microfluidic device (1) comprising: n?1 microfluidic channel(s) (4, 40), the or each channel being provided with at least one inlet orifice for at least one fluid and with at least one outlet orifice for this fluid; n?2 openings (47, 470) formed in the microfluidic channel or distributed in the various microfluidic channels, said openings being arranged in one and the same plane so that they form a network having at least one dimension in this plane, the numbers n of microfluidic channel(s) and n of openings being linked by the relationship (I) with 1?i?n and n the number of openings for the channel c; at least one microporous membrane (5) covering the network of openings, the target being intended to be positioned on the side of the membrane which is opposite the microfluidic ch
    Type: Application
    Filed: April 20, 2012
    Publication date: April 24, 2014
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE-CNRS, ECOLE NORMALE SUPERIEURE, Universite de Bordeaux Segalen, FONDS DE L'ESPCI-GEORGES CHARPAK, UNIVERSITE PIERRE ET MARIE CURIE (PARIS 6)
    Inventors: Maxime Dahan, Mathieu Morel, Jean-Christophe Galas, Vincent Studer, Denis Bartolo
  • Patent number: 8705223
    Abstract: The present disclosure relates to a method for producing an insulated electrode comprising a conductive material coated with an electrically insulating material. The method includes at least the following steps of: forming a mold in an electrically insulating material, the mold including at least one channel, the mold being adapted to confine a conductive material, introducing the conductive material in a liquid state into the channel of the mold, the conductive material having a melting point that is lower than the melting point of the electrically insulating material.
    Type: Grant
    Filed: August 20, 2009
    Date of Patent: April 22, 2014
    Assignees: Centre National de la Recherche Scientifique (CNRS), Ecole Normale Superieure de Cachan, Institut Gustave-Roussy
    Inventors: Julien Villemejane, Bruno Le Pioufle, Luis Maria Mir, Olivier Francais, Jean-Pierre Lefevre
  • Patent number: 8687920
    Abstract: A method for the recognition of objects in at least one digital image includes: a) simulating from the digital image a plurality of digital rotations and at least two digital tilts different from 1 in order to develop a simulated image for each rotation-tilt pair; and b) applying an algorithm generating values that are invariant in translation, rotation and zoom onto the simulated images in order to determine so-called SIF (scale invariant features) local characteristics used for recognizing objects. The SIFT method can be used in step b.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: April 1, 2014
    Assignees: Ecole Polytechnique, Ecole Normale Superieure
    Inventors: Jean-Michel Morel, Guoshen Yu
  • Publication number: 20140080206
    Abstract: The invention relates to a microfluidic system for controlling a concentration profile of molecules capable of stimulating a target, for example formed by an assembly of living cells, this system comprising: -a microfluidic device (1) comprising at least one microfluidic channel (4) equipped with at least one inlet orifice (21) and with at least one outlet orifice (22) for at least one fluid; -at least one means for supplying the microfluidic channel (4) with at least one fluid comprising molecules capable of stimulating the target; -at least one chamber (8) or another microfluidic channel comprising a base (6) intended to receive the target; and -at least one microporous membrane (5) separating the chamber (8) or the other microfluidic channel from the microfluidic channel (4), said microporous membrane (5) being positioned away from the base (6) so that when the supply means provides the microfludic channel (4) with said at least one fluid flowing in laminar flow in contact with the microporous membrane (5)
    Type: Application
    Filed: March 2, 2012
    Publication date: March 20, 2014
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITÉ PIERRE ET MARIE CURIE (PARIS 6), ECOLE NORMALE SUPÉRIEURE
    Inventors: Maxime Dahan, Mathieu Morel, Jean-Christophe Galas, Vincent Studer, Denis Bartolo
  • Publication number: 20140069865
    Abstract: This method comprises bringing drops to be separated into contact with an interface (40) suitable for allowing an osmotic equilibrium between the content of each drop to be separated. The method comprises an osmotic flow between the drops (20A) of the first group of drops through the interface (40) in order to modify the density of each drop (20A) of the first group of drops and the separation of the drops (20A, 20B) according to the density thereof or a combination of the density and the volume in order to isolate the drops (20A) of the first group of drops from the drops (20B) of a second group of drops.
    Type: Application
    Filed: March 21, 2012
    Publication date: March 13, 2014
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE PARIS DIDEROT-PARIS 7, ECOLE NORMALE SUPERIEURE DE LYON, UNIVERSITE PIERRE ET MARIE CURIE (PARIS 6)
    Inventors: Gaël Yvert, Jérôme Bibette, Jean-Marie Baudry, Laurent Boitard, Nicolas Bremond, Denis Cottinet
  • Patent number: 8670562
    Abstract: In a control system comprising control device adapted for, on the one hand, receiving signal indicating a first biometric datum (W), and, on the other hand, obtaining a second biometric datum captured (w?), at the level of the control device, the first and second biometric date are compared. Next, it is decided whether the first and second biometric data correspond on the basis of the comparison. Thereafter, at least a secret cryptographic key part (H(w)) is generated by applying cryptographic function to the first biometric datum.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: March 11, 2014
    Assignees: Morpho, Centre National de la Recherche Scientifique—CNRS, Ecole Normale Superieure
    Inventors: Julien Bringer, Hervé Chabanne, David Pointcheval, Sébastien Zimmer
  • Patent number: 8610897
    Abstract: The present invention relates to a high-resolution scanning surface-plasmon microscope including a source (LG) of coherent light and a medium for coupling and confining a surface plasmon including an objective (O, OM) with a large numerical aperture, immersion oil (Hi), and a glass cover slip (GS). A metal layer (MS) covers a surface of the glass cover slip (GS). The microscope also includes a heterodyne-mode Twyman-Green interferometer placed between the light source and means (PL1, PL2, EC) for scanning the metal layer using a light beam and means (PD) for detecting the beam from the interferometer connected to processing means (S, F, DTec, COMP) for forming an image from that beam. According to the invention, at least one polarization converter (CP) for converting the light beams (L) emitted by the light source (LG) from linear polarization to radial polarization is disposed between the light source and the interferometer.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: December 17, 2013
    Assignees: Ecole Normale Superieure de Lyon, Centre National de la Recherche Scientifique
    Inventors: Lofti Berguiga, Francoise Argoul
  • Patent number: 8590396
    Abstract: This velocimeter for measuring the speed of flow of an electrically conducting fluid comprises: —two sensors (16, 19) disposed in such a way that, in the absence of flow of the electrically conducting fluid (4), the difference between the current strengths measured by the two sensors (16, 19) is non zero, —a processing unit (18) is able to calculate the speed of flow of the fluid in a direction parallel to the first measurement direction (7) on the basis of the difference between the current strengths measured by the two sensors (16, 19).
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: November 26, 2013
    Assignee: Ecole Normale Superieure de Lyon
    Inventors: Jean-Francois Pinton, Nicolas Plihon, Gautier Verhille, Sophie Miralles
  • Patent number: 8515523
    Abstract: The present inventor relates to an electrochemical device for measuring the redox state of the skin, comprising at least one working electrode, such as a microelectrode, a counter electrode, and a reference electrode, said electrodes all being fixed into a single support intended to allow each of said electrodes to be simultaneously brought into contact with the surface of the skin to be tested, the electrodes being connected, on the one hand, to a means for imposing a defined voltage between the working electrode and the reference electrode, such as a potentiostat, and, or the other hand, to a device for measuring the intensity of the current generated at the working electrode by the detection of redox species. The invention also related to a method of measuring the redox state of the skin.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: August 20, 2013
    Assignees: L V M H Recherche, Ecole Normale Superieure, Centre National de la Recherche Scientifique
    Inventors: Stéphane Arbault, Cécile Pebay, Christian Amatore, Nadège Lachmann-Weber, Catherine Heusele, Isabelle Renimel
  • Publication number: 20130171636
    Abstract: Described herein is a method for determining a nucleic acid sequence, said method comprising: a) denaturing a double-stranded nucleic acid molecule corresponding to the said nucleic acid sequence; b) hybridizing a single-stranded nucleic acid molecule, the primer, with the said denatured double-stranded nucleic acid molecule; c) applying a tension to the hybridized primer/double-stranded nucleic acid molecule obtained in b); d) incubating the hybridized primer/double-stranded nucleic acid molecule obtained in b) with a polymerase in conditions which will lead to at least one pause in replication; and e) determining a position of the said pause in replication with respect to one end of the double-stranded nucleic acid.
    Type: Application
    Filed: May 26, 2011
    Publication date: July 4, 2013
    Applicant: ECOLE NORMALE SUPERIEURE
    Inventors: David Bensimon, Vincent Croquette, Jean-François Allemand, Maria Manosas, Fang-Yuan Ding
  • Publication number: 20130137098
    Abstract: Described herein is a method for determining a nucleic acid sequence, said method comprising: a) denaturing a double-stranded nucleic acid molecule corresponding to the said nucleic acid sequence by applying a physical force to the said molecule; b) providing a single-stranded nucleic acid molecule; c) renaturing the said double stranded nucleic acid molecule in the presence of the said single-stranded nucleic acid molecule; and d) detecting a blockage of the renaturation of the double-stranded nucleic acid.
    Type: Application
    Filed: May 26, 2011
    Publication date: May 30, 2013
    Applicant: ECOLE NORMALE SUPERIEURE
    Inventors: David Bensimon, Jean-François Allemand, Maria Manosas, Fang-Yuan Ding, Vincent Croquette
  • Publication number: 20130132546
    Abstract: A tool for aiding management of a communicating physical device includes: a device controller operating the physical device using operating parameters; a data storage interlinking an identifier from the physical device and dated values of attributes and a list of control functions capable of modifying some of the operating parameters; an interpreter adapted for receiving a device identifier datum and a time horizon parameter at the same time and for responding thereto by establishing a series of respective events using the information from the data storage, related to the time horizon, each event interlinking a date, one or more identifiers of control functions, and parameters for these functions, established in accordance with a dated attribute value; and a sequencer arranged to call the interpreter and carry out chronologically the calls of the functions of each event of the series as returned by the interpreter.
    Type: Application
    Filed: April 14, 2011
    Publication date: May 23, 2013
    Applicants: Ecole Normale Superieure De Lyon, Inria Institut National de Recherche en Informatique et en Automatique
    Inventors: Pascale Vicat-Blanc Primet, Sebastian Soudan
  • Publication number: 20130123508
    Abstract: The present invention relates to heptamethine hemicyanine chromophores of formula (I): where R1, R2, R3, R4, R?4, R5, R?5, R6, R?6, R7, X, Y1 and Y2 are as defined in claim 1, to the method for preparing same as well as to the use of such chromophores for the second-order nonlinear optical property thereof.
    Type: Application
    Filed: January 18, 2011
    Publication date: May 16, 2013
    Applicant: ECOLE NORMALE SUPERIEURE DE LYON
    Inventors: Yann Bretonniere, Chantal Andraud, Wissam Buron
  • Patent number: 8440804
    Abstract: The present invention relates to peptides and polypeptides having the sequence SAVTFAVCAL or variants thereof, capable of binding to Calcineurin and/or to NS5A-TP2 and to their use in therapy, as well as to nucleic acid sequences and vectors encoding these peptides and polypeptides, and to cells comprising said polypeptides, nucleic acid sequences or vectors. The invention further relates to the use of the peptides, polypeptides or their derivatives to bring about phenotypic changes in mammalian cells, particularly to up-regulate calcineurin activity. The invention finally relates to a method for intracellular identification of substances which bind to calcineurin and which modulate the physiological effects of calcineurin.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: May 14, 2013
    Assignee: Ecole Normale Superieure de Lyon
    Inventors: Pierre Colas, Benoit de Chassey, Ivan Jacques Mikaelian, Brian B. Rudkin
  • Publication number: 20130061987
    Abstract: The invention relates to a method for manufacturing an aluminum/metal assembly including the steps involving: thermally processing an aluminum sheet by heating said sheet to a temperature of between 80% and 100% of the melting temperature of the material of which it consists for a sufficiently long duration to create and stabilize by allotropic conversion an alpha alumina layer at the surface of said aluminum sheet, and then cooling same; providing a metal layer having a ductility less than or equal to the ductility of the aluminum sheet after cooling, said layer having surface irregularities having a depth greater than or equal to the thickness of the alpha alumina layer; and roll bonding the aluminum layer and the metal layer to produce the metal assembly.
    Type: Application
    Filed: March 11, 2011
    Publication date: March 14, 2013
    Applicants: Centre National de la Recherche Scientifique (CNRS), Ecole Normale Superieure De Cachan, CNAM - Conservatoire National Des Arts Et Metiers
    Inventors: Laurent Prevond, Nicolas Collard, Renaud Caplain, Pierre Francois
  • Publication number: 20130060550
    Abstract: The present invention relates to a method of toxicological evaluation of a candidate substance on at least one tissue or organ, characterized in that it comprises the steps of: (a) obtaining a bioartificial tissue or organ by simulation or modelling of the metabolic activity of said tissue or organ by at least one bioreactor; (b) exposure of said bioartificial tissue or organ to said substance; (c) observation of the metabolic response of the bioartificial tissue or organ and acquisition without a priori of an associated multidimensional data set; (d) identification by means of a method of multivariate statistical analysis of the components of the multidimensional data set which are quantitatively correlated with predetermined variables; (e) generation of a predictive model on the basis of the components of the data set that are actually retained; (f) testing of the predictive nature of said model by at least one statistical method of estimating reliability; (g) identification of the metabolic response of the
    Type: Application
    Filed: May 12, 2011
    Publication date: March 7, 2013
    Applicants: UNIVERSITE TECHNOLOGIE DE COMPIEGNE - UTC, INSTITUT NATIONAL DE L'ENVIRONNEMENT INDUSTRIEL ET DES RISQUES, ECOLE NORMALE SUPERIEURE DE LYON, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)
    Inventors: Marc-Emmanuel Dumas, Eric Leclerc, Laetitia Shintu, Regis Baudoin, Cécile Legallais, Pierre Toulhoat, Céline Brochot
  • Publication number: 20130048154
    Abstract: A method for manufacturing a metal assembly including an aluminum sheet and at least one metal sheet. An aluminum sheet is treated by heating to a temperature of between 80% and 100% of the melting temperature of the material of which it is comprised for a sufficiently long duration to create and stabilize an alpha alumina layer at the surface of the aluminum sheet. The sheet is then cooled. A metal sheet having a ductility less than or equal to the ductility of the alumimum sheet after cooling is provided, which has surface irregularities having a depth greater than or equal to the thickness of the alpha alumina layer. The aluminum sheet and the metal sheet are roll bonded in a rolling mill to produce the metal assembly, wherein the rolling mill includes at least one cylinder, the outer rolling surface of which is provided with raised portions.
    Type: Application
    Filed: March 11, 2011
    Publication date: February 28, 2013
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), ECOLE NORMALE SUPERIEURE DE CACHAN, CNAM - CONSERVATOIRE NATIONAL DES ARTS ET METIERS
    Inventors: Laurent Prevond, Nicolas Collard, Renaud Caplain, Pierre Francois