Patents by Inventor Paul Sweetnam

Paul Sweetnam 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).

  • Patent number: 7374906
    Abstract: The present invention discloses a device for monitoring chemotaxis or chemoinvasion. The present invention further provides a flexible assay system and numerous assays that can be used to test biological interactions and systems. Laminar flow gradients are employed that mimic gradient situations present in vivo.
    Type: Grant
    Filed: October 21, 2003
    Date of Patent: May 20, 2008
    Assignee: Surface Logix, Inc.
    Inventors: Gregory L. Kirk, Emanuele Ostuni, Enoch Kim, Olivier Schueller, Paul Sweetnam
  • Patent number: 7364899
    Abstract: The present invention discloses a device for monitoring haptotaxis including a housing defining a chamber. The chamber comprises: a first well region including at least one first well, the first well configured to receive a test agent therein and further including biomolecules immobilized therein; a second well region including at least one second well, the second well region configured to receive a sample comprising cells therein and further being horizontally offset with respect to the first well region in a test orientation of the device; and a channel region including at a least one channel connecting the first well region and the second well region with one another, the channel region further including biomolecules immobilized therein.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: April 29, 2008
    Assignee: Surface Logix Inc.
    Inventors: Gregory L. Kirk, Matthew Brown, Emanuele Ostuni, Enoch Kim, Bernardo D. Aumond, Olivier Schueller, Paul Sweetnam, Brian Benoit
  • Publication number: 20070166816
    Abstract: This invention provides device for co-culturing at least two different cell types in a two-dimensional configuration, methods of patterning at least two different cell types in a two-dimensional co-culture configuration, and uses of these devices and methods for analyzing an effect of candidate compound on such cellular cocultures. Also provided is a transmigration and extravasation device. Assay devices for analyzing the absorption, permeability, metabolism and/or toxicity of a candidate compound by a cell are provided. A microfluidic network, which is adaptable for integration with a device for coculturing is provided.
    Type: Application
    Filed: December 13, 2006
    Publication date: July 19, 2007
    Applicant: Surface Logix, Inc.
    Inventors: Stewart Campbell, Enoch Kim, Gregory Kirk, Emanuele Ostuni, Olivier Schueller, Rocco Casagrande, Evelyn Wang, Paul Sweetnam
  • Publication number: 20070038384
    Abstract: The present invention further relates to utilizing the above devices and methods for assaying cellular dynamics and phenotypes to create subject primary cell profiles for patients. Additionally, the present invention relates to methods of correlating primary cell profiles with a therapeutic regimen. Finally, the invention relates to methods for screening test compounds for biological activities by measuring their effect on primary cell profiles.
    Type: Application
    Filed: January 5, 2006
    Publication date: February 15, 2007
    Inventors: Gregory Kirk, Emanuele Ostuni, Enoch Kim, Olivier Schueller, Paul Sweetnam
  • Publication number: 20070027183
    Abstract: The present invention relates to compounds which are inhibitors of microsomal triglyceride transfer protein and/or apolipoprotein B (Apo B) secretion. These compounds can be useful for the prevention and treatment of various diseases, particularly atherosclerosis and its clinical sequelae, for lowering serum lipids, and related ailments. The invention further relates to pharmaceutical compositions comprising the compounds and to methods of treating diseases, such as hypertriglyceridemia, hyperchylomicronemia, atherosclerosis, obesity, and related conditions using the compounds. A method for decreasing apolipoprotein B (apo B) secretion is also provided.
    Type: Application
    Filed: April 19, 2006
    Publication date: February 1, 2007
    Applicant: Surface Logix, Inc.
    Inventors: Alessandra Bartolozzi, Stewart Campbell, Hope Foudoulakis, Enoch Kim, Paul Sweetnam, Yingfei Yang
  • Patent number: 7166459
    Abstract: The present invention discloses a test device including a support member; a top member mounted to the support member, wherein in the support member and the top member are configured such that they together define a discrete chamber. The discrete chamber includes a first well region including at least one first well; a second well region including at least one second well; and a channel region including at least one channel connecting the first well region and the second well region with one another. The second region is preferably horizontally offset with respect to the first well region in a test orientation of the device.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: January 23, 2007
    Assignee: Surface Logix, Inc.
    Inventors: Gregory Kirk, Matthew Brown, Emanuele Ostuni, Enoch Kim, Bernardo Aumond, Olivier Schueller, Paul Sweetnam, Brian Benoit
  • Patent number: 7123764
    Abstract: An image processing method for use in analyzing image data of a cellular migration assay. The method includes defining a major axis within the image data that is perpendicular to an orientation of channels in the image data, determining an aggregate light intensity within the image data along the major axis, and identifying locations of channels within the image data from the projection.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: October 17, 2006
    Assignee: Surface Logix Inc.
    Inventors: Gregory L. Kirk, Matthew Brown, Emanuele Ostuni, Enoch Kim, Bernardo D. Aumond, Olivier Schueller, Paul Sweetnam, Brian Benoit
  • Patent number: 6921660
    Abstract: The present invention discloses a device for monitoring chemotaxis or chemoinvasion including a housing comprising: a support member and a top member, the top member mounted to the support member by being placed in substantially fluid-tight conformal contact with the support member. The support member and the top member are configured such that they together define a discrete chamber adapted to allow a monitoring of chemotaxis or chemoinvasion therein. The discrete chamber includes a first well region including at least one first well, the at least one first well configured to received a test agent therein; a second well region including at least one second well, the at least one second well configured to receive a sample comprising cells therein; and a channel region including at least one channel connecting the first well region and the second well region with one another. The second well region is preferably horizontally offset with respect to the first well region in a test orientation of the device.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: July 26, 2005
    Assignee: Surface Logix, Inc.
    Inventors: Gregory L. Kirk, Matthew Brown, Emanuele Ostuni, Enoch Kim, Bernardo D. Aumond, Olivier Schueller, Paul Sweetnam, Brian Benoit
  • Patent number: 6818403
    Abstract: The present invention discloses a method of monitoring haptotaxis comprising: providing a device for monitoring haptotaxis having a housing defining a chamber. The chamber includes: a first well region including at least one first well, the first well region configured to receive a test agent therein and further including biomolecules immobilized therein; a second well region including at least one second well, the second well region configured to receive a sample comprising cells therein and further being horizontally offset with respect to the first well region in a test orientation of the device; and a channel region with biomolecules immobilized therein and including at least one channel connecting the first well region and the second well region with one another.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: November 16, 2004
    Assignee: Surface Logix, Inc.
    Inventors: Gregory L. Kirk, Matthew Brown, Emanuele Ostuni, Enoch Kim, Bernardo D. Aumond, Olivier Schueller, Paul Sweetnam, Brian Benoit
  • Patent number: 6811968
    Abstract: The present invention discloses a method of monitoring chemotaxis or chemoinvasion comprising: providing a device for monitoring chemotaxis. The device includes a support member; a top member mounted to the support member by being placed in substantially fluid-tight, conformal contact with the support member. The support member and the top member are configured such that they together define a discrete assay chamber. The discrete assay chamber includes a first well region including at least one first well, the at least one first well being configured to receive a soluble test substance therein; a second well region including at least one second well, the at least one second well being configured to receive a sample comprising cells therein; and a channel region including at least one channel connecting the first well region and the second well region. Preferably, at least one second well is horizontally offset with respect to the first well region in a test orientation of the device.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: November 2, 2004
    Assignee: Surface Logix Inc.
    Inventors: Gregory L. Kirk, Matthew Brown, Emanuele Ostuni, Enoch Kim, Bernardo D. Aumond, Olivier Schueller, Paul Sweetnam, Brian Benoit
  • Publication number: 20040142408
    Abstract: A device for monitoring leukocyte migration is provided. The invention also provides a method of using the device to monitor leukocyte migration in the presence of physiological shear flow and therefore simulate physiological conditions of a blood vessel in vivo. The invention further provides a method of using the device to high-throughput screen a plurality of test agents. The present invention further provides a flexible assay system and numerous assays that can be used to test biological interactions and systems. Laminar flow gradients are employed that mimic gradient situations present in vivo.
    Type: Application
    Filed: October 21, 2003
    Publication date: July 22, 2004
    Inventors: Gregory L. Kirk, Emanuele Ostuni, Enoch Kim, Olivier Schueller, Paul Sweetnam
  • Publication number: 20040142411
    Abstract: The present invention discloses a device for monitoring chemotaxis or chemoinvasion. The present invention further provides a flexible assay system and numerous assays that can be used to test biological interactions and systems. Laminar flow gradients are employed that mimic gradient situations present in vivo.
    Type: Application
    Filed: October 21, 2003
    Publication date: July 22, 2004
    Inventors: Gregory L. Kirk, Emanuele Ostuni, Enoch Kim, Olivier Schueller, Paul Sweetnam
  • Publication number: 20030215941
    Abstract: This invention provides device for co-culturing at least two different cell types in a two-dimensional configuration, methods of patterning at least two different cell types in a two-dimensional co-culture configuration, and uses of these devices and methods for analyzing an effect of candidate compound on such cellular cocultures. Also provided is a transmigration and extravasation device. Assay devices for analyzing the absorption, permeability, metabolism and/or toxicity of a candidate compound by a cell are provided. A microfluidic network, which is adaptable for integration with a device for coculturing is provided.
    Type: Application
    Filed: March 12, 2003
    Publication date: November 20, 2003
    Inventors: Stewart Campbell, Enoch Kim, Gregory L. Kirk, Emanuele Ostuni, Olivier Schueller, Rocco Casagrande, Evelyn Wang, Paul Sweetnam
  • Publication number: 20030022197
    Abstract: The present invention discloses a device for monitoring haptotaxis including a housing defining a chamber. The chamber comprises: a first well region including at least one first well, the first well configured to receive a test agent therein and further including biomolecules immobilized therein; a second well region including at least one second well, the second well region configured to receive a sample comprising cells therein and further being horizontally offset with respect to the first well region in a test orientation of the device; and a channel region including at a least one channel connecting the first well region and the second well region with one another, the channel region further including biomolecules immobilized therein.
    Type: Application
    Filed: March 15, 2002
    Publication date: January 30, 2003
    Inventors: Greg Kirk, Matthew Brown, Emanuelle Ostuni, Enoch Kim, Bernado D. Aumond, Olivier Schueller, Paul Sweetnam, Brian Benoit
  • Publication number: 20030022269
    Abstract: The present invention discloses a method of monitoring chemotaxis or chemoinvasion comprising: providing a device for monitoring chemotaxis. The device includes a support member; a top member mounted to the support member by being placed in substantially fluid-tight, conformal contact with the support member. The support member and the top member are configured such that they together define a discrete assay chamber. The discrete assay chamber includes a first well region including at least one first well, the at least one first well being configured to receive a soluble test substance therein; a second well region including at least one second well, the at least one second well being configured to receive a sample comprising cells therein; and a channel region including at least one channel connecting the first well region and the second well region. Preferably, at least one second well is horizontally offset with respect to the first well region in a test orientation of the device.
    Type: Application
    Filed: March 15, 2002
    Publication date: January 30, 2003
    Inventors: Gregory Kirk, Matthew Brown, Emanuele Ostuni, Enoch Kim, Bernardo D. Aumond, Olivier Schueller, Paul Sweetnam, Brian Benoit
  • Publication number: 20030022362
    Abstract: The present invention discloses a device for monitoring chemotaxis or chemoinvasion including a housing comprising: a support member and a top member, the top member mounted to the support member by being placed in substantially fluid-tight conformal contact with the support member. The support member and the top member are configured such that they together define a discrete chamber adapted to allow a monitoring of chemotaxis or chemoinvasion therein. The discrete chamber includes a first well region including at least one first well, the at least one first well configured to received a test agent therein; a second well region including at least one second well, the at least one second well configured to receive a sample comprising cells therein; and a channel region including at least one channel connecting the first well region and the second well region with one another. The second well region is preferably horizontally offset with respect to the first well region in a test orientation of the device.
    Type: Application
    Filed: March 15, 2002
    Publication date: January 30, 2003
    Inventors: Gregory Kirk, Matthew Brown, Emanuele Ostuni, Enoch Kim, Bernard D. Aumond, Olivier Schueller, Paul Sweetnam, Brian Benoit
  • Publication number: 20030022153
    Abstract: The present invention discloses a method of monitoring haptotaxis comprising: providing a device for monitoring haptotaxis having a housing defining a chamber. The chamber includes: a first well region including at least one first well, the first well region configured to receive a test agent therein and further including biomolecules immobilized therein; a second well region including at least one second well, the second well region configured to receive a sample comprising cells therein and further being horizontally offset with respect to the first well region in a test orientation of the device; and a channel region with biomolecules immobilized therein and including at least one channel connecting the first well region and the second well region with one another.
    Type: Application
    Filed: March 15, 2002
    Publication date: January 30, 2003
    Inventors: Gregory Kirk, Matthew Brown, Emanuele Ostuni, Enoch Kim, Bernardo D. Aumond, Olivier Schueller, Paul Sweetnam, Brian Benoit
  • Publication number: 20030021457
    Abstract: An image processing method for use in analyzing image data of a cellular migration assay. The method includes defining a major axis within the image data that is perpendicular to an orientation of channels in the image data, determining an aggregate light intensity within the image data along the major axis, and identifying locations of channels within the image data from the projection.
    Type: Application
    Filed: March 15, 2002
    Publication date: January 30, 2003
    Inventors: Gregory Kirk, Matthew Brown, Emanuele Ostuni, Enoch Kim, Bernardo D. Aumond, Olivier Schueller, Paul Sweetnam, Brian Benoit
  • Publication number: 20020168757
    Abstract: The present invention discloses a test device including a support member; a top member mounted to the support member, wherein in the support member and the top member are configured such that they together define a discrete chamber. The discrete chamber includes a first well region including at least one first well; a second well region including at least one second well; and a channel region including at least one channel connecting the first well region and the second well region with one another. The second region is preferably horizontally offset with respect to the first well region in a test orientation of the device.
    Type: Application
    Filed: March 15, 2002
    Publication date: November 14, 2002
    Inventors: Gregory Kirk, Matthew Brown, Emanuele Ostuni, Enoch Kim, Bernardo D. Aumond, Olivier Schueller, Paul Sweetnam, Brian Benoit