Patents Assigned to AAT Bioquest, Inc.
  • 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: 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: 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: 8318953
    Abstract: Chemically reactive 7-hydroxycoumarin derivatives and their application for analyzing cell function, for example in combination with additional fluorescent labels. The coumarin derivatives exhibit a strong absorption at 405 nm and high fluorescence quantum yields.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: November 27, 2012
    Assignee: AAT Bioquest, Inc.
    Inventors: Zhenjun Diwu, Chunmei Wei, Qinglin Meng, Haitao Guo, Jingfang Liao
  • Publication number: 20120183954
    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: Application
    Filed: July 12, 2011
    Publication date: July 19, 2012
    Applicants: AAT BIOQUEST, INC., BECTON, DICKINSON AND COMPANY
    Inventors: Zhenjun Diwu, Qinglin Meng, Jinfang Liao, Haitao Guo, Timothy Dubrovsky, Barnaby Abrams
  • Publication number: 20110318772
    Abstract: Chemically reactive 7-hydroxycoumarin derivatives and their application for analyzing cell function, for example in combination with additional fluorescent labels. The coumarin derivatives exhibit a strong absorption at 405 nm and high fluorescence quantum yields.
    Type: Application
    Filed: June 23, 2010
    Publication date: December 29, 2011
    Applicant: AAT BIOQUEST, INC.
    Inventors: Zhenjun DIWU, Chunmei WEI, Qinglin MENG, Haitao GUO, Jingfang LIAO