Patents Assigned to BioQuest
  • Publication number: 20240052238
    Abstract: Fluorescent water soluble conjugated polymers including polycyclic aromatic comonomers are provided. The conjugated polymers can be linked to an acceptor fluorescent dye. The conjugated polymers find use in conjugates with biological substrates having applications in a variety of applications including methods of analyte detection.
    Type: Application
    Filed: October 16, 2023
    Publication date: February 15, 2024
    Applicant: AAT Bioquest, Inc.
    Inventors: Zhenjun DIWU, Haitao GUO, Jixiang LIU, Qin ZHAO, Ruogu PENG
  • Patent number: 11827824
    Abstract: Fluorescent water soluble conjugated polymers including polycyclic aromatic comonomers are provided. The conjugated polymers can be linked to an acceptor fluorescent dye. The conjugated polymers find use in conjugates with biological substrates having applications in a variety of applications including methods of analyte detection.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: November 28, 2023
    Assignee: AAT BIOQUEST, INC.
    Inventors: Zhenjun Diwu, Haitao Guo, Jixiang Liu, Qin Zhao, Ruogu Peng
  • Patent number: 11821901
    Abstract: Styryl compounds useful for preparing biological detections probes, and the use of the Styryl compounds for the detection, discrimination and quantification of biological targets.
    Type: Grant
    Filed: August 15, 2020
    Date of Patent: November 21, 2023
    Assignee: AAT Bioquest, Inc.
    Inventors: Zhenjun Diwu, Zhen Luo, Jixiang Liu, Pengfei Dong
  • Patent number: 11237170
    Abstract: Styryl compounds useful for preparing biological detections probes, and the use of the Styryl compounds for the detection, discrimination and quantification of biological targets.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: February 1, 2022
    Assignee: AAT BIOQUEST, INC.
    Inventors: Zhenjun Diwu, Zhen Luo, Jixiang Liu, Pengfei Dong
  • Patent number: 11220628
    Abstract: Fluorescent water soluble conjugated polymers including polycyclic aromatic comonomers are provided. The conjugated polymers can be linked to an acceptor fluorescent dye. The conjugated polymers find use in conjugates with biological substrates having applications in a variety of applications including methods of analyte detection.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: January 11, 2022
    Assignee: AAT BIOQUEST, INC.
    Inventors: Zhenjun Diwu, Haitao Guo, Jixiang Liu, Qin Zhao, Ruogu Peng
  • Publication number: 20200378975
    Abstract: Styryl compounds useful for preparing biological detections probes, and the use of the Styryl compounds for the detection, discrimination and quantification of biological targets.
    Type: Application
    Filed: August 15, 2020
    Publication date: December 3, 2020
    Applicant: AAT BIOQUEST, INC.
    Inventors: Zhenjun Diwu, Zhen Luo, Jixiang Liu, Pengfei Dong
  • Patent number: 10316136
    Abstract: The invention provides for polyfluoreno[4,5-cde]oxepine conjugates and their use in methods of analyte detection.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: June 11, 2019
    Assignees: AAT Bioquest, Inc., Affymetrix, Inc.
    Inventors: Zhenjun Diwu, Haitao Guo, Ruogu Peng, Qin Zhao, Travis Jennings, Castle Funatake
  • Patent number: 10239853
    Abstract: The present invention is generally directed to fluorescent dyes useful for preparing fluorescent oligonucleotides, and the use of the fluorescent oligonucleotides for the detection, discrimination and quantification of molecular biology targets.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: March 26, 2019
    Assignee: AAT Bioquest, Inc.
    Inventors: Zhenjun Diwu, Ruogu Peng, Haitao Guo, Zhen Luo
  • Patent number: 9896538
    Abstract: The invention provides for polyfluoreno[4,5-cde]oxepine conjugates and their use in methods of analyte detection.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: February 20, 2018
    Assignees: AAT Bioquest, Inc., Affymetrix, Inc.
    Inventors: Zhenjun Diwu, Haitao Guo, Ruogu Peng, Qin Zhao, Travis Jennings, Castle Funatake
  • Patent number: 9810700
    Abstract: The present disclosure provides fluorogenic compounds useful for preparing fluorescent calcium ion indicators, the fluorescent indicators themselves, and the use of the fluorescent indicators in methods of detection, discrimination and quantification of metal ions. The subject fluorogenic compounds and fluorescent ion indicators can include a chelating group based on a 2-aminophenoxyethylene glycol 2-aminoethyl ether, N,N,N?,N?-tetraacetic acid (PEGTA) moiety or precursor thereof where the phenyl group of the PEGTA is substituted with or fused with a fluorophore moiety of interest. The subject methods find use in the detection of intracellular calcium ions. Also provided are kits for use in practicing the subject methods.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: November 7, 2017
    Assignee: AAT Bioquest, Inc.
    Inventors: Zhenjun Diwu, Haitao Guo, Ruogu Peng, Qin Zhao, Jinfang Liao, Feng Liu
  • Patent number: 9346778
    Abstract: Fluorescent dyes useful for preparing fluorescent metal ion indicators, the fluorescent indicators themselves, and the use of the fluorescent indicators for the detection, discrimination and quantification of metal cations are provided.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: May 24, 2016
    Assignee: AAT Bioquest, Inc.
    Inventors: Zhenjun Diwu, Haitao Guo, Ruogu Peng, Qin Zhao, Jixiang Liu, Jinfang Liao
  • Patent number: 9279817
    Abstract: Fluorescent dyes useful for preparing fluorescent metal ion indicators, the fluorescent indicators themselves, and the use of the fluorescent indicators for the detection, discrimination and quantification of metal cations are provided.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: March 8, 2016
    Assignee: AAT Bioquest, Inc.
    Inventors: Zhenjun Diwu, Haitao Guo, Ruogu Peng, Qin Zhao, Jixiang Liu, Jinfang Liao
  • Patent number: 9127305
    Abstract: Methods for performing a direct enzymatic reaction involving a nucleic acid molecule include performing the enzymatic reaction directly using a biological specimen in a reaction mixture containing a zwitterionic buffer and/or a non-reducing carbohydrate to prevent the biological specimen from inhibiting the enzymatic reaction, in which a nucleic acid molecule present in the biological specimen is not purified before the enzymatic reaction, and obtaining a product from the enzymatic reaction.
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: September 8, 2015
    Assignee: BIOQUEST, INC.
    Inventors: Young Geun Yang, Jong Yeol Kim, Suhng Wook Kim, Sung Gwan Lee
  • Patent number: 9097730
    Abstract: Fluorescent dyes useful for preparing fluorescent metal ion indicators, the fluorescent indicators themselves, and the use of the fluorescent indicators for the detection, discrimination and quantification of metal cations.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: August 4, 2015
    Assignee: AAT Bioquest, Inc.
    Inventors: Zhenjun Diwu, Jinfang Liao
  • Patent number: 8927224
    Abstract: Fluorescent dyes useful for preparing fluorescent metal ion indicators, the fluorescent indicators themselves, and the use of the fluorescent indicators for the detection, discrimination and quantification of metal cations.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: January 6, 2015
    Assignee: AAT Bioquest, Inc.
    Inventors: Zhenjun Diwu, Jinfang Liao
  • Patent number: 8808395
    Abstract: A method of making a resilient prosthetic/orthotic component, particularly a shank for a lower extremity prosthesis in which the shank includes multiple sections which are unbounded in one or more portions of each other, and wherein the shank sections incorporate at least one voids and inserted materials between one or more shank sections to enhance shank flexibility while reducing stresses which can cause premature failure.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: August 19, 2014
    Assignee: Bioquest Prosthetics, LLC.
    Inventors: Barry W. Townsend, Byron Kent Claudino, Monty Moshier, Dallin Leach
  • Patent number: 8779165
    Abstract: Fluorescent dyes useful for preparing fluorescent metal ion indicators, the fluorescent indicators themselves, and the use of the fluorescent indicators for the detection, discrimination and quantification of metal cations.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: July 15, 2014
    Assignee: AAT Bioquest, Inc.
    Inventors: Zhenjun Diwu, Jianjun He, Jinfang Liao
  • Publication number: 20140080170
    Abstract: Fluorescent dyes useful for preparing fluorescent metal ion indicators, the fluorescent indicators themselves, and the use of the fluorescent indicators for the detection, discrimination and quantification of metal cations.
    Type: Application
    Filed: November 1, 2013
    Publication date: March 20, 2014
    Applicant: AAT Bioquest, Inc.
    Inventors: Zhenjun Diwu, Jinfang Liao
  • Patent number: 8623324
    Abstract: Chemically reactive dyes that are intramolecularly crosslinked with a water-soluble bridge, their bioconjugates and their uses are described. Reactive fluorescent dyes that have a water-soluble bridge are superior to those of conjugates of spectrally non-crosslinked dyes or the dyes that are crosslinked with a hydrophobic bridge. The invention includes reactive fluorescent dyes, their biological conjugates and uses.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: January 7, 2014
    Assignees: AAT Bioquest Inc., Becton, Dickinson and Company
    Inventors: Timothy Dubrovsky, Barnaby Abrams, Zhenjun Diwu, Qinglin Meng, Jinfang Liao, Haitao Guo
  • Patent number: 8574314
    Abstract: A method of making a resilient prosthetic/orthotic component, particularly a shank for a lower extremity prosthesis in which the shank includes multiple sections which are unbounded in one or more portions of each other, and wherein the shank sections incorporate at least one voids and inserted materials between one or more shank sections to enhance shank flexibility while reducing stresses which can cause premature failure.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: November 5, 2013
    Assignee: Bioquest Prosthetics LLC
    Inventors: Barry W. Townsend, Byron Kent Claudino, Monty Moshier, Dallin Leach