Patents by Inventor Derek Angus

Derek Angus 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: 11747342
    Abstract: A proteomic expression platform to identify age-related sepsis risk is disclosed using patients with an intra-abdominal infection. A semi-quantitative plasma proteomics workflow was applied which incorporated tandem immuno affinity depletion, iTRAQ labeling, strong cation exchange fractionation, and nanoflow-liquid chromatography coupled to high resolution mass spectrometry. A protein profile was determined that exhibit statistically significant differences in expression levels amongst patients with severe sepsis as a function of age. Representative pathways that are differentially-expressed include, but are not limited to, acute phase response, coagulation signaling, atherosclerosis signaling, lipid metabolism, and production of nitric oxide/reactive oxygen species.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: September 5, 2023
    Assignee: University Of Pittsburgh—Of The Commonwealth System Of Higher Education
    Inventors: John A. Kellum, Zhiyun Cao, Derek Angus, Sachin Purushottam Yende, Rena Angilena Sowell Robinson
  • Publication number: 20210270841
    Abstract: A proteomic expression platform to identify age-related sepsis risk is disclosed using patients with an intra-abdominal infection. A semi-quantitative plasma proteomics workflow was applied which incorporated tandem immuno affinity depletion, iTRAQ labeling, strong cation exchange fractionation, and nanoflow-liquid chromatography coupled to high resolution mass spectrometry. A protein profile was determined that exhibit statistically significant differences in expression levels amongst patients with severe sepsis as a function of age. Representative pathways that are differentially-expressed include, but are not limited to, acute phase response, coagulation signaling, atherosclerosis signaling, lipid metabolism, and production of nitric oxide/reactive oxygen species.
    Type: Application
    Filed: February 17, 2021
    Publication date: September 2, 2021
    Inventors: John A. Kellum, Zhiyun Cao, Derek Angus, Sachin Purushottam Yende, Rena Angilena Sowell Robinson
  • Patent number: 10948497
    Abstract: A proteomic expression platform to identify age-related sepsis risk is disclosed using patients with an intra-abdominal infection. A semi-quantitative plasma proteomics workflow was applied which incorporated tandem immuno affinity depletion, iTRAQ labeling, strong cation exchange fractionation, and nanoflow-liquid chromatography coupled to high resolution mass spectrometry. A protein profile was determined that exhibit statistically significant differences in expression levels amongst patients with severe sepsis as a function of age. Representative pathways that are differentially-expressed include, but are not limited to, acute phase response, coagulation signaling, atherosclerosis signaling, lipid metabolism, and production of nitric oxide/reactive oxygen species.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: March 16, 2021
    Assignee: The University of Pittsburgh—the Commonwealth of Higher Education
    Inventors: John A. Kellum, Zhiyun Cao, Derek Angus, Sachin Purushottam Yende, Rena Angilena Sowell Robinson
  • Publication number: 20190265251
    Abstract: A proteomic expression platform to identify age-related sepsis risk is disclosed using patients with an intra-abdominal infection. A semi-quantitative plasma proteomics workflow was applied which incorporated tandem immuno affinity depletion, iTRAQ labeling, strong cation exchange fractionation, and nanoflow-liquid chromatography coupled to high resolution mass spectrometry. A protein profile was determined that exhibit statistically significant differences in expression levels amongst patients with severe sepsis as a function of age. Representative pathways that are differentially-expressed include, but are not limited to, acute phase response, coagulation signaling, atherosclerosis signaling, lipid metabolism, and production of nitric oxide/reactive oxygen species.
    Type: Application
    Filed: October 8, 2018
    Publication date: August 29, 2019
    Inventors: John A. Kellum, Zhiyun Cao, Derek Angus, Sachin Purushottam Yende, Rena Angilena Sowell Robinson
  • Patent number: 10126305
    Abstract: A proteomic expression platform to identify age-related sepsis risk is disclosed using patients with community-acquired pneumonia. A semi-quantitative plasma proteomics workflow was applied which incorporated tandem immuno affinity depletion, iTRAQ labeling, strong cation exchange fractionation, and nanoflow-liquid chromatography coupled to high resolution mass spectrometry. A protein profile was determined that exhibit statistically significant differences in expression levels amongst patients with severe sepsis as a function of age. Representative pathways that are differentially-expressed include, but are not limited to, acute phase response, coagulation signaling, atherosclerosis signaling, lipid metabolism, and production of nitric oxide/reactive oxygen species.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: November 13, 2018
    Assignee: UNIVERSITY OF PITTSBURG—OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
    Inventors: John A. Kellum, Zhiyun Cao, Derek Angus, Sachin Purushottam Yende, Rena Angilena Sowell Robinson
  • Publication number: 20160187349
    Abstract: A proteomic expression platform to identify age-related sepsis risk is disclosed using patients with community-acquired pneumonia. A semi-quantitative plasma proteomics workflow was applied which incorporated tandem immuno affinity depletion, iTRAQ labeling, strong cation exchange fractionation, and nanoflow-liquid chromatography coupled to high resolution mass spectrometry. A protein profile was determined that exhibit statistically significant differences in expression levels amongst patients with severe sepsis as a function of age. Representative pathways that are differentially-expressed include, but are not limited to, acute phase response, coagulation signaling, atherosclerosis signaling, lipid metabolism, and production of nitric oxide/reactive oxygen species.
    Type: Application
    Filed: June 24, 2014
    Publication date: June 30, 2016
    Inventors: John A. Kellum, Zhlyun Cao, Derek Angus, Rena Angilena Robinson
  • Patent number: 4916938
    Abstract: A valve maintenance process is described that allows for the inspection and testing of valve stem packing and back-seat leakage. The process uses the characteristics of incompressible fluid flow to check the integrity of the valve back-seat, to allow the controlled removal of the complete packing set and to confirm the newly installed packing set is not leaking. The process is designed to reduced down-time and to improve the engineering quality of valve repair.
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: April 17, 1990
    Assignee: Atomic Energy of Canada Limited
    Inventors: John A. Aikin, Derek Angus, John W. Reinwald, Jack Schankula
  • Patent number: 4002127
    Abstract: A cyclone structure is provided for use in controlling the flow of two fluid streams to create a localized inward radial flow. The structure includes a chamber having a side wall disposed concentrically about a longitudinal axis and having first and second transverse end walls attached to respective ends of the side wall. A discharge tube is mounted in the first end wall concentrically about this axis and projects into the chamber. First and second inlets are provided adjacent the respective end walls and means is provided to move fluid under pressure into these inlets and into the chamber. The fluid enters the chamber in two distinct fluid paths moving vortically about the axis in the same direction of rotation, and the respective energy flow rates of fluid in these paths are comparable. The paths are generally vortical within the chamber and progress axially towards one another before combining where they meet to create the localized inward radial flow.
    Type: Grant
    Filed: March 13, 1975
    Date of Patent: January 11, 1977
    Inventor: Derek Angus