Patents by Inventor Liangliang Qiang

Liangliang Qiang 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).

  • Publication number: 20200132664
    Abstract: Example nanopore sequencers include a cis well, a trans well, and a nanopore fluidically connecting the cis and trans wells. In one example sequencer, a modified electrolyte (including an electrolyte and a cation complexing agent) is present in the cis well, or the trans well, or in the cis and the trans wells. In another example sequencer, a gel state polyelectrolyte is present in the cis well, or the trans well, or in the cis and the trans wells.
    Type: Application
    Filed: June 19, 2018
    Publication date: April 30, 2020
    Inventors: Boyan Boyanov, Rohan N. Akolkar, Jeffrey S. Fisher, Jeffrey G. Mandell, Liangliang Qiang, Steven M. Barnard
  • Patent number: 10633694
    Abstract: Under one aspect, a composition includes a substrate; a first polynucleotide coupled to the substrate; a second polynucleotide hybridized to the first polynucleotide; and a catalyst coupled to a first nucleotide of the second polynucleotide, the catalyst being operable to cause a chemiluminogenic molecule to emit a photon. Under another aspect, a method includes providing a catalyst operable to cause a first chemiluminogenic molecule to emit a photon; providing a substrate; providing a first polynucleotide coupled to the substrate; hybridizing a second polynucleotide to the first polynucleotide; coupling a first quencher to a first nucleotide of the second polynucleotide; and inhibiting, by the first quencher, photon emission by the first chemiluminogenic molecule.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: April 28, 2020
    Assignee: Illumina, Inc.
    Inventors: Boyan Boyanov, Liangliang Qiang, Kevin L. Gunderson, Kay Klausing, Lea Pickering, Cyril Delattre, Tarun Khurana
  • Publication number: 20200009556
    Abstract: An interposer for a flow cell comprises a base layer having a first surface and a second surface opposite the first surface. The base layer comprises black polyethylene terephthalate (PET). A first adhesive layer is disposed on the first surface of the base layer. The first adhesive layer comprises methyl acrylic adhesive. A second adhesive layer is disposed on the second surface of the base layer. The second adhesive layer comprises methyl acrylic adhesive. A plurality of microfluidic channels extends through each of the base layer, the first adhesive layer, and the second adhesive layer.
    Type: Application
    Filed: June 28, 2019
    Publication date: January 9, 2020
    Applicant: ILLUMINA, Inc.
    Inventors: Maxwell Zimmerley, LiangLiang Qiang, M. Shane Bowen, Steven H. Modiano, Dajun Yuan, Randall Smith, Arthur J. Pitera, Hai Quang Tran, Gerald Kreindl
  • Patent number: 10519499
    Abstract: The disclosure provides detection apparatus having one or more nanopores, methods for making apparatus having one or more nanopore and methods for using apparatus having one or more nanopores. Uses include, but are not limited to detection and sequencing of nucleic acids.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: December 31, 2019
    Assignee: Illumina, Inc.
    Inventors: Boyan Boyanov, Jeffrey G Mandell, Kevin L Gunderson, Jingwei Bai, Liangliang Qiang, Bradley Baas
  • Publication number: 20190383741
    Abstract: A device includes a plurality of imaging pixels in a spatial pattern with a formation of features disposed over the pixels. A first and a second feature of the formation of features are disposed over a first pixel. A first luminophore is disposed within or over the first feature. A second luminophore is disposed within or over the second feature. A structured illumination source is to direct at least a portion of first photons in an illumination pattern to the first feature at a first time, and to direct at least a portion of second photons in the illumination pattern to the second feature at a second time. The structured illumination source includes an illumination pattern generator having an illumination pattern generator actuator connected to the illumination pattern generator to cause the illumination pattern to translate or rotate relative to the formation of features.
    Type: Application
    Filed: June 12, 2019
    Publication date: December 19, 2019
    Inventors: Dajun Yuan, Liangliang Qiang, Minghao Guo
  • Publication number: 20190313956
    Abstract: Disclosed herein is a sensor comprising a conduit; the conduit comprising an organic polymer; a working electrode; the working electrode being etched and decorated with a nanostructured material; a reference electrode; and a counter electrode; the working electrode, the reference electrode and the counter electrode being disposed in the conduit; the working electrode, the reference electrode and the counter electrode being separated from each other by an electrically insulating material; and wherein a cross-sectional area of the conduit that comprises a section of the working electrode, a section of the reference electrode and a section of the counter electrode is exposed to detect analytes.
    Type: Application
    Filed: June 3, 2019
    Publication date: October 17, 2019
    Inventors: Liangliang Qiang, Santhisagar Vaddiraju, Fotios Papadimitrakopoulos
  • Patent number: 10314527
    Abstract: Disclosed herein is a sensor comprising a conduit; the conduit comprising an organic polymer; a working electrode; the working electrode being etched and decorated with a nanostructured material; a reference electrode; and a counter electrode; the working electrode, the reference electrode and the counter electrode being disposed in the conduit; the working electrode, the reference electrode and the counter electrode being separated from each other by an electrically insulating material; and wherein a cross-sectional area of the conduit that comprises a section of the working electrode, a section of the reference electrode and a section of the counter electrode is exposed to detect analytes.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: June 11, 2019
    Assignee: THE UNIVERSITY OF CONNECTICUT
    Inventors: Liangliang Qiang, Santhisagar Vaddiraju, Fotios Papadimitrakopoulos
  • Publication number: 20170356030
    Abstract: Under one aspect, a composition includes a substrate; a first polynucleotide coupled to the substrate; a second polynucleotide hybridized to the first polynucleotide; and a catalyst coupled to a first nucleotide of the second polynucleotide, the catalyst being operable to cause a chemiluminogenic molecule to emit a photon. Under another aspect, a method includes providing a catalyst operable to cause a first chemiluminogenic molecule to emit a photon; providing a substrate; providing a first polynucleotide coupled to the substrate; hybridizing a second polynucleotide to the first polynucleotide; coupling a first quencher to a first nucleotide of the second polynucleotide; and inhibiting, by the first quencher, photon emission by the first chemiluminogenic molecule.
    Type: Application
    Filed: September 10, 2015
    Publication date: December 14, 2017
    Inventors: Boyan Boyanov, Liangliang Qiang, Kevin L. Gunderson, Kay Klausing, Lea Pickering, Cyril De Lattre, Tarun Khurana
  • Publication number: 20170260582
    Abstract: The disclosure provides detection apparatus having one or more nanopores, methods for making apparatus having one or more nanopore and methods for using apparatus having one or more nanopores. Uses include, but are not limited to detection and sequencing of nucleic acids.
    Type: Application
    Filed: July 29, 2015
    Publication date: September 14, 2017
    Inventors: BOYAN BOYANOV, JEFFREY G MANDELL, KEVIN L GUNDERSON, JINGWEI BAI, LIANGLIANG QIANG, BRADLEY BAAS
  • Publication number: 20170156652
    Abstract: Disclosed herein is a sensor comprising a conduit; the conduit comprising an organic polymer; a working electrode; the working electrode being etched and decorated with a nanostructured material; a reference electrode; and a counter electrode; the working electrode, the reference electrode and the counter electrode being disposed in the conduit; the working electrode, the reference electrode and the counter electrode being separated from each other by an electrically insulating material; and wherein a cross-sectional area of the conduit that comprises a section of the working electrode, a section of the reference electrode and a section of the counter electrode is exposed to detect analytes.
    Type: Application
    Filed: August 2, 2016
    Publication date: June 8, 2017
    Inventors: Liangliang Qiang, Santhisagar Vaddiraju, Fotios Papadimitrakopoulos
  • Patent number: 9402574
    Abstract: Disclosed herein is a sensor comprising a conduit; the conduit comprising an organic polymer; a working electrode; the working electrode being etched and decorated with a nanostructured material; a reference electrode; and a counter electrode; the working electrode, the reference electrode and the counter electrode being disposed in the conduit; the working electrode, the reference electrode and the counter electrode being separated from each other by an electrically insulating material; and wherein a cross-sectional area of the conduit that comprises a section of the working electrode, a section of the reference electrode and a section of the counter electrode is exposed to detect analytes.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: August 2, 2016
    Assignees: THE UNIVERSITY OF CONNECTICUT, BIORASIS
    Inventors: Liangliang Qiang, Santhisagar Vaddiraju, Fotios Papadimitrakopoulos
  • Patent number: 8778846
    Abstract: A composition includes a first probe, a first initiator component bonded to the first probe, a second probe, and a second initiator component bonded to the second probe. The first probe and the second probe are capable of binding to a single analyte, and the first initiator component and the second initiator component are capable of forming an initiator when present in proximity to each other and when the first probe and the second probe are bonded to the analyte. An associated kit, device, and method are provided.
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: July 15, 2014
    Assignee: General Electric Company
    Inventors: John Richard Nelson, Bahram Moasser, Anup Sood, Gregory Andrew Grossmann, Su Lu, Zhida Pan, Liangliang Qiang, John Yupeng Gui, Wei Cai, Zhixin Zheng
  • Patent number: 8765643
    Abstract: The composition includes a first probe and a first initiator bonded to the first probe. The composition further includes a second probe and a second initiator bonded to the second probe. The first probe and the second probe are capable of binding to a single analyte. An associated kit, device, and method are provided.
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: July 1, 2014
    Assignee: General Electric Company
    Inventors: Zhida Pan, Su Lu, Liangliang Qiang, John Yupeng Gui, John Richard Nelson, Bahram Moasser, Anup Sood, Gregory Andrew Grossmann, Wei Cai, Zhixin Zheng
  • Patent number: 8383337
    Abstract: A method includes binding a probe to an analyte present in a sample, wherein the probe comprises a binder bonded to a metal particle that is capable of releasing metal ions when contacted with a reagent solution. The method includes contacting the metal particle with the reagent solution to release the metal ions, and observing an optical signal from the released metal ions to determine a presence or amount of the analyte in the sample. An associated kit is also provided.
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: February 26, 2013
    Assignee: General Electric Company
    Inventors: Su Lu, Li Zhu, Zhida Pan, Liangliang Qiang, John Yupeng Gui
  • Publication number: 20120122735
    Abstract: A composition includes a first probe, a first initiator component bonded to the first probe, a second probe, and a second initiator component bonded to the second probe. The first probe and the second probe are capable of binding to a single analyte, and the first initiator component and the second initiator component are capable of forming an initiator when present in proximity to each other and when the first probe and the second probe are bonded to the analyte. An associated kit, device, and method are provided.
    Type: Application
    Filed: March 1, 2007
    Publication date: May 17, 2012
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: John Richard Nelson, Bahram Moasser, Anup Sood, Gregory Andrew Grossmann, Su Lu, Zhida Pan, Liangliang Qiang, John Yupeng Gui, Wei Cai, Zhixin Zheng
  • Publication number: 20120122733
    Abstract: The composition includes a first probe and a first initiator bonded to the first probe. The composition further includes a second probe and a second initiator bonded to the second probe. The first probe and the second probe are capable of binding to a single analyte. An associated kit, device, and method are provided.
    Type: Application
    Filed: March 1, 2007
    Publication date: May 17, 2012
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Zhida Pan, Su Lu, Liangliang Qiang, John Yupeng Gui, John Richard Nelson, Bahram Moasser, Anup Sood, Gregory Andrew Grossmann, Wei Cai, Zhixin Zheng
  • Publication number: 20110315563
    Abstract: Disclosed herein is a sensor comprising a conduit; the conduit comprising an organic polymer; a working electrode; the working electrode being etched and decorated with a nanostructured material; a reference electrode; and a counter electrode; the working electrode, the reference electrode and the counter electrode being disposed in the conduit; the working electrode, the reference electrode and the counter electrode being separated from each other by an electrically insulating material; and wherein a cross-sectional area of the conduit that comprises a section of the working electrode, a section of the reference electrode and a section of the counter electrode is exposed to detect analytes.
    Type: Application
    Filed: June 20, 2011
    Publication date: December 29, 2011
    Applicant: UNIVERSITY OF CONNECTICUT
    Inventors: Liangliang Qiang, Santhisagar Vaddiraju, Fotios Papadimitrakopoulos
  • Patent number: 7915318
    Abstract: A water soluble ROMP catalyst, which has high catalytic efficiency for ring opening metathesis is use in the preparation of polymeric blends for use in monolithic columns. In one embodiments a method for making a polymeric blend is discolosed comprising reaction of a water-soluble ROMP catalyst with a norbornene-substituted cycloolefin polymer or a polynorbornene polymer precursor, and wherein the contacting occurs in an aqueous or polar solvent in the presence of a solid support. In another embodiment a monolithic bed is disclosed comprising the water-soluble ROMP catalyst immobilized on a surface of a solid support. Also disclosed is a monolithic bed comprising: a polymer blend, the polymer blend produced from contacting a water soluble ROMP catalyst with a norbornene-substituted cycloolefin polymer or a polynorbornene polymer precursor; and wherein the contacting occurs in an aqueous or polar solvent in the presence of a solid support.
    Type: Grant
    Filed: September 9, 2008
    Date of Patent: March 29, 2011
    Assignee: General Electric Company
    Inventors: Su Lu, Liangliang Qiang, Yanrong Zhu, Zhida Pan
  • Publication number: 20100063200
    Abstract: A water soluble ROMP catalyst, which has high catalytic efficiency for ring opening metathesis is use in the preparation of polymeric blends for use in monolithic columns. In one embodiments a method for making a polymeric blend is discolosed comprising reaction of a water-soluble ROMP catalyst with a norbornene-substituted cycloolefin polymer or a polynorbornene polymer precursor, and wherein the contacting occurs in an aqueous or polar solvent in the presence of a solid support. In another embodiment a monolithic bed is disclosed comprising the water-soluble ROMP catalyst immobilized on a surface of a solid support. Also disclosed is a monolithic bed comprising: a polymer blend, the polymer blend produced from contacting a water soluble ROMP catalyst with a norbornene-substituted cycloolefin polymer or a polynorbornene polymer precursor; and wherein the contacting occurs in an aqueous or polar solvent in the presence of a solid support.
    Type: Application
    Filed: September 9, 2008
    Publication date: March 11, 2010
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Su Lu, Liangliang Qiang, Yanrong Zhu, Zhida Pan
  • Publication number: 20100015633
    Abstract: A method includes binding a probe to an analyte present in a sample, wherein the probe comprises a binder bonded to a metal particle that is capable of releasing metal ions when contacted with a reagent solution. The method includes contacting the metal particle with the reagent solution to release the metal ions, and observing an optical signal from the released metal ions to determine a presence or amount of the analyte in the sample. An associated kit is also provided.
    Type: Application
    Filed: July 18, 2008
    Publication date: January 21, 2010
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Su Lu, Li Zhu, Zhida Pan, Liangliang Qiang, John Yupeng Gui