Patents by Inventor Jostein Holtlund

Jostein Holtlund 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).

  • Membrane assay method
    Patent number: 11428686
    Abstract: Provided herein is technology relating to methods for assaying a cell-containing body sample and particularly, but not exclusively, to treating a sample under conditions to cause cell lysis, preferably by means of a detergent; and subjecting the lysed sample to conditions causing the cleavage of nucleic acid molecules. The technology additionally relates to using nucleic acid cleavage conditions to enhance a membrane assay, a device for carrying out such an assay, and a kit for use in the assay.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: August 30, 2022
    Assignee: ABBOTT RAPID DIAGNOSTICS INTERNATIONAL UNLIMITED COMPANY
    Inventors: Jostein Holtlund, Andrew Campbell, Stig Morten Borch
  • MEMBRANE ASSAY METHOD
    Publication number: 20180143183
    Abstract: The present invention provides an assay method for a cell-containing body sample, said method comprising treating said sample under conditions whereby to cause cell lysis, preferably by means of a detergent; and subjecting the thus-generated lysed sample to conditions causing the cleavage of nucleic acid molecules. The invention additionally provides the use of nucleic acid cleavage conditions in enhancing a membrane assay, a device for carrying out such an assay, and a kit for use in the assay.
    Type: Application
    Filed: January 10, 2018
    Publication date: May 24, 2018
    Inventors: Jostein HOLTLUND, Andrew CAMPBELL, Morten BORCH
  • Membrane assay method
    Patent number: 9897594
    Abstract: The present invention provides an assay method for a cell-containing body sample, the method comprising treating the sample under conditions whereby to cause cell lysis, preferably by means of a detergent; and subjecting the thus-generated lysed sample to conditions causing the cleavage of nucleic acid molecules. The invention additionally provides the use of nucleic acid cleavage conditions in enhancing a membrane assay, a device for carrying out such an assay, and a kit for use in the assay.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: February 20, 2018
    Assignee: AXIS-SHIELD ASA
    Inventors: Jostein Holtlund, Andrew Campbell, Morten Borch
  • Assay system
    Patent number: 9140694
    Abstract: An assay apparatus comprising: i) an assay cartridge (52, 53) comprising at least one well (57-62) and a pipette (50) positionable in at least one said well; ii) a holder arranged to received said cartridge; iii) drive means operable to position said pipette in selected wells of said cartridge; iv) a gas pressure applicator couplable to said pipette whereby to cause liquid flow through said membrane; and v) a radiation detector operable to detect radiation from a well of said cartridge of said cartridge or from said pipette.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: September 22, 2015
    Assignee: AXIS-SHIELD ASA
    Inventors: Jostein Holtlund, Stig Morten Borch, Thorstein Seim, Tore Janson, Hege Ton, Jan Roger Karlson, Inger Lise Lauvstad
  • ASSAY SYSTEM
    Publication number: 20140065646
    Abstract: An assay apparatus comprising: i) an assay cartridge (52, 53) comprising at least one well (57-62) and a pipette (50) positionable in at least one said well; ii) a holder arranged to received said cartridge; iii) drive means operable to position said pipette in selected wells of said cartridge; iv) a gas pressure applicator couplable to said pipette whereby to cause liquid flow through said membrane; and v) a radiation detector operable to detect radiation from a well of said cartridge of said cartridge or from said pipette.
    Type: Application
    Filed: August 29, 2013
    Publication date: March 6, 2014
    Applicant: Axis-Shield AS
    Inventors: Jostein HOLTLUND, Stig Morten BORCH, Thorstein SEIM, Tore JANSON, Hege TON, Jan Roger KARLSON, Inger Lise LAUVSTAD
  • Assay system
    Patent number: 8545756
    Abstract: An assay apparatus comprising: i) an assay cartridge (52, 53) comprising at least one well (57-62) and a pipette (50) positionable in at least one said well; ii) a holder arranged to received said cartridge; iii) drive means operable to position said pipette in selected wells of said cartridge; iv) a gas pressure applicator couplable to said pipette whereby to cause liquid flow through said membrane; and v) a radiation detector operable to detect radiation from a well of said cartridge of said cartridge or from said pipette.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: October 1, 2013
    Assignee: Axis-Shield ASA
    Inventors: Jostein Holtlund, Stig Morten Borch, Thorstein Seim, Tore Janson, Hege Tøn, Jan Roger Karlson, Inger Lise Lauvstad
  • ASSAY SYSTEM
    Publication number: 20130065256
    Abstract: An assay apparatus comprising: i) an assay cartridge (52, 53) comprising at least one well (57-62) and a pipette (50) positionable in at least one said well; ii) a holder arranged to received said cartridge; iii) drive means operable to position said pipette in selected wells of said cartridge; iv) a gas pressure applicator couplable to said pipette whereby to cause liquid flow through said membrane; and v) a radiation detector operable to detect radiation from a well of said cartridge of said cartridge or from said pipette.
    Type: Application
    Filed: September 14, 2012
    Publication date: March 14, 2013
    Applicant: AXIS-SHIELD AS
    Inventors: Jostein HOLTLUND, Stig Morten Borch, Thorstein Seim, Tore Janson, Hege Tøn, Jan Roger Karlson, Inger Lise Lauvstad
  • Assay system
    Patent number: 8293175
    Abstract: An assay apparatus comprising: i) an assay cartridge (52, 53) comprising at least one well (57-62) and a pipette (50) positionable in at least one said well; ii) a holder arranged to receive said cartridge; iii) drive means operable to position said pipette in selected wells of said cartridge; iv) a gas pressure applicator couplable to said pipette whereby to cause liquid flow through said membrane; and v) a radiation detector operable to detect radiation from a well of said cartridge or from said pipette.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: October 23, 2012
    Assignee: Axis-Shield ASA
    Inventors: Jostein Holtlund, Stig Morten Borch, Thorstein Seim, Tore Janson, Hege Tøn, Jan Roger Karlson, Inger Lise Lauvstad
  • Assay system
    Publication number: 20100159487
    Abstract: An assay apparatus comprising: i) an assay cartridge (52, 53) comprising at least one well (57-62) and a pipette (50) positionable in at least one said well; ii) a holder arranged to receive said cartridge; iii) drive means operable to position said pipette in selected wells of said cartridge; iv) a gas pressure applicator couplable to said pipette whereby to cause liquid flow through said membrane; and v) a radiation detector operable to detect radiation from a well of said cartridge or from said pipette.
    Type: Application
    Filed: November 13, 2009
    Publication date: June 24, 2010
    Applicant: AXIS-SHIELD ASA
    Inventors: Jostein Holtlund, Stig Morten Borch, Thorstein Seim, Tore Janson, Hege Tøn, Jan Roger Karlson, Inger Lise Lauvstad
  • Assay system
    Patent number: 7632462
    Abstract: An assay apparatus comprising: i) an assay cartridge (52,53) comprising at least one well (57-62) and a pipette (50) positionable in at least one said well; ii) a holder arranged to receive said cartridge; iii) drive means operable to position said pipette in selected wells of said cartridge; iv) a gas pressure applicator couplable to said pipette whereby to cause liquid flow through said membrane; and v) a radiation detector operable to detect radiation from a well of said cartridge or from said pipette.
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: December 15, 2009
    Assignee: Axis-Shield ASA
    Inventors: Jostein Holtlund, Stig Morten Borch, Thorstein Seim, Tore Janson, Hege Tøn, Jan Roger Karlson, Inger Lise Lauvstad
  • MEMBRANE ASSAY METHOD
    Publication number: 20090220957
    Abstract: The present invention provides an assay method for a cell-containing body sample, said method comprising treating said sample under conditions whereby to cause cell lysis, preferably by means of a detergent; and subjecting the thus-generated lysed sample to conditions causing the cleavage of nucleic acid molecules. The invention additionally provides the use of nucleic acid cleavage conditions in enhancing a membrane assay, a device for carrying out such an assay, and a kit for use in the assay.
    Type: Application
    Filed: October 31, 2006
    Publication date: September 3, 2009
    Applicant: AXIS-SHIELD ASA
    Inventors: Jostein Holtlund, Andrew Campbell, Morten Borch
  • Haemoglobin assay
    Patent number: 7374943
    Abstract: The invention provides a kit for a glycated haemoglobin assay, said kit comprising: a porous membrane capable of retaining precipitated haemoglobin; a first reagent comprising zinc ions in aqueous basic solution or comprising a water soluble zinc compound; a second reagent comprising a chromophore-boronic acid conjugate; and optionally, an aqueous washing reagent; wherein at least one of the first and second reagents further comprises a surfactant capable of lysing erythrocytes, and wherein said second reagent if liquid is acidic.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: May 20, 2008
    Assignee: Axis-Shield USA
    Inventors: Jostein Holtlund, Kerstin Bernström, Ellen Dworsky, Lise Corneliussen
  • Assay system
    Publication number: 20040161368
    Abstract: An assay apparatus comprising: i) an assay cartridge (52, 53) comprising at least one well (57-62) and a pipette (50) positionable in at least one said well; ii) a holder arranged to receive said cartridge; iii) drive means operable to position said pipette in selected wells of said cartridge; iv) a gas pressure applicator couplable to said pipette whereby to cause liquid flow through said membrane; and v) a radiation detector operable to detect radiation from a well of said cartridge or from said pipette.
    Type: Application
    Filed: April 9, 2004
    Publication date: August 19, 2004
    Inventors: Jostein Holtlund, Stig Morten Borch, Thorstein Seim, Tore Janson, Hege Ton, Jan Roger Karlson, Inger Lise Lauvstad
  • Haemoglobin assay
    Publication number: 20040137641
    Abstract: The invention provides a kit for a glycated haemoglobin assay, said kit comprising: a porous membrane capable of retaining precipitated haemoglobin; a first reagent comprising zinc ions in aqueous basic solution or comprising a water soluble zinc compound; a second reagent comprising a chromophore-boronic acid conjugate; and optionally, an aqueous washing reagent; wherein at least one of the first and second reagents further comprises a surfactant capable of lysing erythrocytes, and wherein said second reagent if liquid is acidic.
    Type: Application
    Filed: February 26, 2004
    Publication date: July 15, 2004
    Inventors: Jostein Holtlund, Kerstin Bernstrom, Ellen Dworsky, Lise Corneliussen
  • Analyte assay using superaggregated complex as labelled reagent
    Patent number: 5691207
    Abstract: Methods of assaying samples for the presence of an analyte involving immobilization of a gold sol, and optionally an enzyme capable of generating a reaction product, on a solid phase. The gold sol has a mean particle size of less than 20 nm for at least 75% by weight of the particles and is formed into a novel superaggregated complex with at least one protein.
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: November 25, 1997
    Assignee: Nycomed Pharma AS
    Inventors: Jostein Holtlund, Geir Olav Gogstad
  • Immunoassay method and kit using superaggregated complex
    Patent number: 5650333
    Abstract: Methods of assaying samples for the presence or quantity of an analyte involving immobilization of a gold sol, and optionally an enzyme capable of generating a reaction product, on a solid phase. The gold sol has a mean particle size of less than 20 nm for at least 75% by weight of the particles and is formed into a novel superaggregated complex with at least one protein.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 22, 1997
    Assignee: Nycomed Pharma AS
    Inventors: Jostein Holtlund, Geir Olav Gogstad