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).
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Publication number: 20240390896Abstract: 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: ApplicationFiled: July 31, 2024Publication date: November 28, 2024Applicant: 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
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Patent number: 12083514Abstract: 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: GrantFiled: April 22, 2022Date of Patent: September 10, 2024Assignee: 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
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Publication number: 20240167088Abstract: The present disclosure describes methods and microfluidic devices for generating clusters of amplicons for a nucleic acid library, and their uses for high-throughput DNA sequencing or detection of target polynucleotides in a sample.Type: ApplicationFiled: November 1, 2023Publication date: May 23, 2024Inventors: Liangliang Qiang, Wei Li, Aijie Han
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Publication number: 20240011089Abstract: 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: ApplicationFiled: June 29, 2023Publication date: January 11, 2024Inventors: BOYAN BOYANOV, JEFFREY G MANDELL, KEVIN L GUNDERSON, JINGWEI BAI, LIANGLIANG QIANG, BRADLEY BAAS
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Publication number: 20230314326Abstract: An example sensor includes a flow cell, a detection device, and a controller. The flow cell includes a passivation layer having opposed surfaces and a reaction site at a first of the opposed surfaces. The flow cell also includes a lid operatively connected to the passivation layer to partially define a flow channel between the lid and the reaction site. The detection device is in contact with a second of the opposed surfaces of the passivation layer, and includes an embedded metal layer that is electrically isolated from other detection circuitry of the detection device. The controller is to ground the embedded metal layer.Type: ApplicationFiled: May 5, 2023Publication date: October 5, 2023Applicant: ILLUMINA, INC.Inventors: Tracy Helen FUNG, Xiuyu CAI, Lisa KWOK, Hai TRAN, Kevan SAMIEE, Liangliang QIANG, Boyan BOYANOV
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Publication number: 20230272457Abstract: 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: ApplicationFiled: March 6, 2023Publication date: August 31, 2023Inventors: Boyan Boyanov, Liangliang Qiang, Kevin L. Gunderson, Kay Klausing, Lea Pickering, Cyril Delattre, Tarun Khurana
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Patent number: 11732301Abstract: 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: GrantFiled: March 1, 2021Date of Patent: August 22, 2023Assignee: Illumina, Inc.Inventors: Boyan Boyanov, Jeffrey G Mandell, Kevin L Gunderson, Jingwei Bai, Liangliang Qiang, Bradley Baas
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Patent number: 11680906Abstract: An example sensor includes a flow cell, a detection device, and a controller. The flow cell includes a passivation layer having opposed surfaces and a reaction site at a first of the opposed surfaces. The flow cell also includes a lid operatively connected to the passivation layer to partially define a flow channel between the lid and the reaction site. The detection device is in contact with a second of the opposed surfaces of the passivation layer, and includes an embedded metal layer that is electrically isolated from other detection circuitry of the detection device. The controller is to ground the embedded metal layer.Type: GrantFiled: April 19, 2018Date of Patent: June 20, 2023Assignee: ILLUMINA, INC.Inventors: Tracy Helen Fung, Xiuyu Cai, Lisa Kwok, Hai Tran, Kevan Samiee, Liangliang Qiang, Boyan Boyanov
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Patent number: 11629373Abstract: 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: GrantFiled: March 27, 2020Date of Patent: April 18, 2023Assignee: Illumina, Inc.Inventors: Boyan Boyanov, Liangliang Qiang, Kevin L. Gunderson, Kay Klausing, Lea Pickering, Cyril Delattre, Tarun Khurana
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Publication number: 20230063675Abstract: An example of a sequencing kit includes a flow cell and an encapsulation matrix precursor composition. The flow cell includes a plurality of chambers and primers attached within each of the plurality of chambers. The encapsulation matrix precursor composition consists of a fluid and a polymer selected from the group consisting of agar, agarose, alginate, heparin, alginate sulfate, dextran sulfate, hyaluronan, pectin, carrageenan, gelatin, chitosan, cellulose, a collagen polymer, and combinations thereof.Type: ApplicationFiled: October 31, 2022Publication date: March 2, 2023Inventors: Xi-Jun Chen, Yir-Shyuan Wu, Tarun Kumar Khurana, Liangliang Qiang, Andrew J. Price, Elisabet Rosas
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Patent number: 11585757Abstract: 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: GrantFiled: June 12, 2019Date of Patent: February 21, 2023Assignee: Illumina, Inc.Inventors: Dajun Yuan, Liangliang Qiang, Minghao Guo
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Patent number: 11567060Abstract: 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: GrantFiled: June 19, 2018Date of Patent: January 31, 2023Assignee: Illumina, Inc.Inventors: Boyan Boyanov, Rohan N. Akolkar, Jeffrey S. Fisher, Jeffrey G. Mandell, Liangliang Qiang, Steven M. Barnard
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Patent number: 11535890Abstract: An example of a sequencing kit includes a flow cell, an encapsulation matrix precursor composition, and a radical initiator. The flow cell includes a plurality of chambers and primers attached within each of the plurality of chambers. The encapsulation matrix precursor composition consists of a fluid, a monomer or polymer including a radical generating and chain elongating functional group, a radical source, and a crosslinker. The radical initiator is part of the encapsulation matrix precursor composition or is a separate component.Type: GrantFiled: January 23, 2020Date of Patent: December 27, 2022Assignee: Illumina, Inc.Inventors: Xi-Jun Chen, Yir-Shyuan Wu, Tarun Kumar Khurana, Liangliang Qiang, Andrew J. Price, Elisabet Rosas
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Patent number: 11499192Abstract: An example of a sequencing kit includes a flow cell, an encapsulation matrix precursor composition, and a radical initiator. The flow cell includes a plurality of chambers and primers attached within each of the plurality of chambers. The encapsulation matrix precursor composition consists of a fluid, a monomer or polymer including a radical generating and chain elongating functional group, a radical source, and a crosslinker. The radical initiator is part of the encapsulation matrix precursor composition or is a separate component.Type: GrantFiled: January 23, 2020Date of Patent: November 15, 2022Assignee: Illumina, Inc.Inventors: Xi-Jun Chen, Yir-Shyuan Wu, Tarun Kumar Khurana, Liangliang Qiang, Andrew J. Price, Elisabet Rosas
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Publication number: 20220250066Abstract: 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: ApplicationFiled: April 22, 2022Publication date: August 11, 2022Applicant: 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
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Patent number: 11246518Abstract: 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: GrantFiled: June 3, 2019Date of Patent: February 15, 2022Assignee: UNIVERSITY OF CONNECTICUT SCH OF MED/DNTInventors: Liangliang Qiang, Santhisagar Vaddiraju, Fotios Papadimitrakopoulos
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Publication number: 20210269877Abstract: 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: ApplicationFiled: March 1, 2021Publication date: September 2, 2021Inventors: BOYAN BOYANOV, JEFFREY G MANDELL, KEVIN L GUNDERSON, JINGWEI BAI, LIANGLIANG QIANG, BRADLEY BAAS
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Patent number: 10961576Abstract: 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: GrantFiled: December 9, 2019Date of Patent: March 30, 2021Assignee: Illumina, Inc.Inventors: Boyan Boyanov, Jeffrey G Mandell, Kevin L Gunderson, Jingwei Bai, Liangliang Qiang, Bradley Baas
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Publication number: 20200318167Abstract: 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: ApplicationFiled: March 27, 2020Publication date: October 8, 2020Inventors: Boyan Boyanov, Liangliang Qiang, Kevin L. Gunderson, Kay Klausing, Lea Pickering, Cyril Delattre, Tarun Khurana
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Publication number: 20200239954Abstract: An example of a sequencing kit includes a flow cell, an encapsulation matrix precursor composition, and a radical initiator. The flow cell includes a plurality of chambers and primers attached within each of the plurality of chambers. The encapsulation matrix precursor composition consists of a fluid, a monomer or polymer including a radical generating and chain elongating functional group, a radical source, and a crosslinker. The radical initiator is part of the encapsulation matrix precursor composition or is a separate component.Type: ApplicationFiled: January 23, 2020Publication date: July 30, 2020Inventors: Xi-Jun Chen, Yir-Shyuan Wu, Tarun Kumar Khurana, Liangliang Qiang, Andrew J. Price, Elisabet Rosas