Patents by Inventor Francois Chatelain

Francois Chatelain has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20110174629
    Abstract: The invention relates to a method for functionalising at least a portion of a wall of a pore of a carrier material, characterised in that it comprises: a) contacting the pore with a solution of electrically activated entities and positioning two electrodes in said solution in order to create inside the pore, and when an electric signal is applied between the two electrodes, a voltage drop capable of generating a localised deposit on said wall; and b) applying an electric signal between the two electrodes in order to activate the electrically activated entities and carry out said functionalisation function.
    Type: Application
    Filed: February 5, 2009
    Publication date: July 21, 2011
    Applicant: Comm. A L'Energie Atom. Et Aux Energies Alterna
    Inventors: Aurélie Bouchet, Emeline Descamps, Pascal Mailley, Thierry Livache, Vincent Haguet, Francois Chatelain
  • Patent number: 7494622
    Abstract: A device for measuring electrical activity of biological elements, including a substrate that has lower and upper faces and at least one through opening, the opening being delimited by a set of walls. Two plates are placed on either side of the lower and upper faces of the substrate and delimit, with the set of walls, a chamber. Each of the plates is provided, on its face lying opposite the substrate, with at least one electrode facing the opening in the substrate. Each of the plates further has at least one channel that starts inside the chamber and connects the chamber to the outside of the device, and the chamber communicates with the outside of the device only through the channels.
    Type: Grant
    Filed: August 28, 2003
    Date of Patent: February 24, 2009
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Nathalie Picollet-Dahan, Patrice Caillat, Frederic Revol-Cavalier, Francois Chatelain, Fabien Sauter
  • Publication number: 20080286751
    Abstract: The invention relates to a dispensing device for droplets comprising a first channel (8, 10), known as main channel, for circulation of a first fluid flow, a second channel (12, 13) for circulation of fluid, which forms with the first channel an intersection zone (27) and terminates in an ejection orifice (20), means (4) for measuring a physical property particles or cells in the first channel (18), and means for engendering a pressure wave in the second channel (12, 13).
    Type: Application
    Filed: January 17, 2005
    Publication date: November 20, 2008
    Inventors: Philippe Renaud, Nathalie Picollet-D'Hahan, Vincent Haguet, Francois Chatelain
  • Publication number: 20080206752
    Abstract: Methods and devices for attaching biomolecules to a solid substrate surface for example to the inner surface of a capillary. In particular, the invention relates to compounds and methods for creating patterned arrays of biomolecules inside fused silica capillaries so that a plurality of bioassays can be conducted simultaneously.
    Type: Application
    Filed: February 10, 2005
    Publication date: August 28, 2008
    Applicants: COMMISSARIAT A L'ENERGIE ATOMIDQUE, AbAg
    Inventors: Maxime Balakirev, Jan Sudor, Francois Chatelain, Xavier Coqueret
  • Publication number: 20080185296
    Abstract: The invention concerns a method to analyse the liquid in a drop (2), comprising: contacting a drop of this liquid with a hydrophobic surface (8), displacing the drop on this surface by electrowetting, to bring it to a site (24, 26, 28) to measure electrical activity in which a conductive solution (42) is arranged, measuring said electrical activity.
    Type: Application
    Filed: June 7, 2006
    Publication date: August 7, 2008
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE
    Inventors: Fabien Sauter-Starace, Yves Fouillet, Nathalie Picollet-D'Hahan, Francois Chatelain
  • Publication number: 20070065946
    Abstract: The invention relates to a method and device for the analysis of reaction media comprising one or more cells, which can be used to perform an automated high-throughput analysis.
    Type: Application
    Filed: July 9, 2004
    Publication date: March 22, 2007
    Applicant: COMMISSARIAT AL'FNERGIE ATOMIQUE
    Inventors: Julien Reboud, Beatrice Schaack, Francois Chatelain
  • Publication number: 20060163063
    Abstract: A device for measuring electrical activity of biological elements, including a substrate that has lower and upper faces and at least one through opening, the opening being delimited by a set of walls. Two plates are placed on either side of the lower and upper faces of the substrate and delimit, with the set of walls, a chamber. Each of the plates is provided, on its face lying opposite the substrate, with at least one electrode facing the opening in the substrate. Each of the plates further has at least one channel that starts inside the chamber and connects the chamber to the outside of the device, and the chamber communicates with the outside of the device only through the channels.
    Type: Application
    Filed: August 28, 2003
    Publication date: July 27, 2006
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE
    Inventors: Nathalie Picollet-Dahan, Patrice Caillat, Frederic Revol-Cavalier, Francois Chatelain, Fabien Sauter
  • Publication number: 20030232382
    Abstract: The present invention relates to a method and apparatus for performing a large number of reactions using array assembly. In particular, the present invention features a method and apparatus for performing a large number of chemical and biological reactions by bringing two arrays into close apposition and allowing reactants on the surfaces of two arrays to come into contact. The present invention is exemplified by performing a large number of polynucleotide amplification reactions using array assembly. In addition, the present invention features a method and apparatus for coupling the amplification of polynucleotides and the detection of sequence variations, expression levels, and functions thereof.
    Type: Application
    Filed: June 23, 2003
    Publication date: December 18, 2003
    Inventors: Thomas M. Brennan, Francois Chatelain, Mark Berninger
  • Patent number: 6632641
    Abstract: The present invention relates to a method and apparatus for performing a large number of reactions using array assembly. In particular, the present invention features a method and apparatus for performing a large number of chemical and biological reactions by bringing two arrays into close apposition and allowing reactants on the surfaces of two arrays to come into contact. The present invention is exemplified by performing a large number of polynucleotide amplification reactions using array assembly. In addition, the present invention features a method and apparatus for coupling the amplification of polynucleotides and the detection of sequence variations, expression levels, and functions thereof.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: October 14, 2003
    Assignee: Metrigen, Inc.
    Inventors: Thomas M. Brennan, Francois Chatelain, Mark Berninger
  • Publication number: 20030176690
    Abstract: The present invention relates to an apparatus for preparing polynucleotides on a solid support in a reactor comprising a column containing an immobilized solid support that is functionalized for polynucleotide synthesis. The solid support can be porous, and can be functionalized with a nucleoside or with a universal synthesis of polynucleotides.
    Type: Application
    Filed: January 28, 2003
    Publication date: September 18, 2003
    Applicant: Proligo, LLC
    Inventors: Francois Chatelain, Viktor Kumarev
  • Publication number: 20030032035
    Abstract: The invention relates to a microfluidic device for nucleic acid and/or protein analysis, wherein said device comprises a capillary on the inner surface of which is attached an array of at least two reagents. Also encompassed by the invention is such a capillary. In addition, the invention concerns methods for attaching at least two reagents on the inner surface of a capillary, as well as methods using a microfluidic device and enabling a multiplex analysis of nucleic acids and/or proteins to be performed.
    Type: Application
    Filed: May 3, 2002
    Publication date: February 13, 2003
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE
    Inventors: Francois Chatelain, Felix W. Frueh
  • Publication number: 20020103365
    Abstract: The object of the present invention is a process for synthesizing solid phase nucleic acids, characterized in that a mineral or organic polymer, bound by a bivalent hydrocarbon radical to an epoxy or glycol-type group, is used as a solid support, said epoxy or glycol-type group comprising two adjacent saturated carbon atoms on which an OH and a nucleophilic group are substituted. The present invention also pertains to compounds containing an epoxy or glycol-type group as defined above, useful for example as a solid support in a process for solid support nucleic acid synthesis.
    Type: Application
    Filed: May 13, 1998
    Publication date: August 1, 2002
    Inventors: LUDMILLA BARANOVA, FRANCOIS CHATELAIN, VIKTOR KUMAREV