Patents by Inventor Xi-Jun Chen

Xi-Jun Chen 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: 20250091042
    Abstract: An example of a flow cell includes a substrate, a plurality of chambers defined on or in the substrate, and a plurality of depressions defined in the substrate and within a perimeter of each of the plurality of chambers. The depressions are separated by interstitial regions. Primers are attached within each of the plurality of depressions, and a capture site is located within each of the plurality of chambers.
    Type: Application
    Filed: December 2, 2024
    Publication date: March 20, 2025
    Inventors: Lewis J. Kraft, Tarun Kumar Khurana, Yir-Shyuan Wu, Xi-Jun Chen, Arnaud Rival, Justin Fullerton, M. Shane Bowen, Hui Han, Jeffrey S. Fisher, Yasaman Farshchi, Mathieu Lessard-Viger
  • Patent number: 12172156
    Abstract: An example of a flow cell includes a substrate, a plurality of chambers defined on or in the substrate, and a plurality of depressions defined in the substrate and within a perimeter of each of the plurality of chambers. The depressions are separated by interstitial regions. Primers are attached within each of the plurality of depressions, and a capture site is located within each of the plurality of chambers.
    Type: Grant
    Filed: August 11, 2023
    Date of Patent: December 24, 2024
    Assignee: Illumina, Inc.
    Inventors: Lewis J. Kraft, Tarun Kumar Khurana, Yir-Shyuan Wu, Xi-Jun Chen, Arnaud Rival, Justin Fullerton, M. Shane Bowen, Hui Han, Jeffrey S. Fisher, Yasaman Farshchi, Mathieu Lessard-Viger
  • Publication number: 20240141332
    Abstract: Systems, methods and compositions provided herein relate to the preparation of nucleic acid libraries. Some embodiments include the preparation of nucleic acid libraries by ligation of single-stranded nucleic acids.
    Type: Application
    Filed: November 2, 2022
    Publication date: May 2, 2024
    Inventors: Xi-Jun Chen, Tarun Khurana
  • Publication number: 20240060954
    Abstract: Methods are used for obtaining, cataloguing, and/or storing data derived from a biological source using a flow cell body, electrodes, and an imaging assembly. The data may include DNA and/or RNA obtained from a biological source, such as from the cells of an organism. The methods may be used to obtain, catalog, and/or store data such as DNA or RNA sequence from a pathogen such as a virus and/or a bacteria, human health data over time, and immune system information from an individual. The data obtained using the disclosed methods may be used for a variety of different purposes, including the manufacture of vaccine compositions, and for restoring the immune system of an individual who has undergone an immune system depleting event. The methods may be used for storage of biological cells, which may be used for the screening of compounds, such as small molecules with potential for therapeutic indications.
    Type: Application
    Filed: October 31, 2023
    Publication date: February 22, 2024
    Inventors: Tarun Khurana, Ali Agah, Aathavan Karunakaran, Xi-Jun Chen
  • Patent number: 11835510
    Abstract: Methods are used for obtaining, cataloguing, and/or storing data derived from a biological source using a flow cell body, electrodes, and an imaging assembly. The data may include DNA and/or RNA obtained from a biological source, such as from the cells of an organism. The methods may be used to obtain, catalog, and/or store data such as DNA or RNA sequence from a pathogen such as a virus and/or a bacteria, human health data over time, and immune system information from an individual. The data obtained using the disclosed methods may be used for a variety of different purposes, including the manufacture of vaccine compositions, and for restoring the immune system of an individual who has undergone an immune system depleting event. The methods may be used for storage of biological cells, which may be used for the screening of compounds, such as small molecules with potential for therapeutic indications.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: December 5, 2023
    Assignee: ILLUMINA, INC.
    Inventors: Tarun Khurana, Ali Agah, Aathavan Karunakaran, Xi-Jun Chen
  • Publication number: 20230381733
    Abstract: An example of a flow cell includes a substrate, a plurality of chambers defined on or in the substrate, and a plurality of depressions defined in the substrate and within a perimeter of each of the plurality of chambers. The depressions are separated by interstitial regions. Primers are attached within each of the plurality of depressions, and a capture site is located within each of the plurality of chambers.
    Type: Application
    Filed: August 11, 2023
    Publication date: November 30, 2023
    Inventors: Lewis J. Kraft, Tarun Kumar Khurana, Yir-Shyuan Wu, Xi-Jun Chen, Arnaud Rival, Justin Fullerton, M. Shane Bowen, Hui Han, Jeffrey S. Fisher, Yasaman Farshchi, Mathieu Lessard-Viger
  • Patent number: 11819843
    Abstract: An example of a flow cell includes a substrate, which includes nano-depressions defined in a surface of the substrate, and interstitial regions separating the nano-depressions. A hydrophobic material layer has a surface that is at least substantially co-planar with the interstitial regions and is positioned to define a hydrophobic barrier around respective sub-sets of the nano-depressions.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: November 21, 2023
    Assignee: Illumina, Inc.
    Inventors: Tarun Kumar Khurana, Arnaud Rival, Lewis J. Kraft, Steven Barnard, M. Shane Bowen, Xi-Jun Chen, Yir-Shyuan Wu, Jeffrey S. Fisher, Dajun Yuan
  • Patent number: 11779897
    Abstract: An example of a flow cell includes a substrate, a plurality of chambers defined on or in the substrate, and a plurality of depressions defined in the substrate and within a perimeter of each of the plurality of chambers. The depressions are separated by interstitial regions. Primers are attached within each of the plurality of depressions, and a capture site is located within each of the plurality of chambers.
    Type: Grant
    Filed: October 31, 2021
    Date of Patent: October 10, 2023
    Assignee: Illumina, Inc.
    Inventors: Lewis J. Kraft, Tarun Kumar Khurana, Yir-Shyuan Wu, Xi-Jun Chen, Arnaud Rival, Justin Fullerton, M. Shane Bowen, Hui Han, Jeffrey S. Fisher, Yasaman Farshchi, Mathieu Lessard-Viger
  • Publication number: 20230250420
    Abstract: Compositions of matter, methods, modules, and automated instruments may relate to synthesizing a library including an editing cassette including a different gRNA and donor DNA pair, amplifying the editing cassette in a partition separate from other editing cassettes in the library, adding nuclease to the partition, and adding lipofectamine to the editing cassette and nuclease to form a lipofectamine/nucleic acid/nuclease complex. A microcarrier coated in extracellular matrix or a cell adhesion molecule coating may be added to the lipofectamine/nucleic acid/nuclease complex. Cell growth material, the microcarrier, and mammalian cells may be transferred to a growth module in an automated closed cell editing instrument via a liquid handling system. The mammalian cells may be allowed to seed on the microcarrier. Conditions may be provided for the mammalian cells to take-up and be edited by a payload associated with the lipofectamine/nucleic acid/nuclease complex.
    Type: Application
    Filed: February 24, 2023
    Publication date: August 10, 2023
    Applicant: Inscripta, Inc.
    Inventors: Phillip Belgrader, Nathan Bade, Christian Siltanen, Aamir Mir, Xi-Jun Chen, Janine Mok, Burak Dura, Bruce Chabansky, David Stumbo, Eric Smith, Jorge Bernate
  • Publication number: 20230220462
    Abstract: Implementations of a method for seeding sequence libraries on a surface of a sequencing flow cell that allow for spatial segregation of the libraries on the surface are provided. The spatial segregation can be used to index sequence reads from individual sequencing libraries to increase efficiency of subsequent data analysis. In some examples, hydrogel beads containing encapsulated sequencing libraries are captured on a sequencing flow cell and degraded in the presence of a liquid diffusion barrier to allow for the spatial segregation and seeding of the sequencing libraries on the surface of the flow cell. Additionally, examples of systems, methods and compositions are provided relating to flow cell devices configured for nucleic acid library preparation and single cell sequencing. Some examples include flow cell devices having a hydrogel with genetic material disposed therein, and which is retained within the hydrogel during nucleic acid processing.
    Type: Application
    Filed: March 8, 2023
    Publication date: July 13, 2023
    Inventors: Tarun Kumar Khurana, Yir-Shyuan Wu, Xi-Jun Chen, Filiz Gorpe-Yasar, Yan-You Lin, Victoria Popic, Erich B. Jaeger, Mostafa Ronaghi
  • Patent number: 11649498
    Abstract: Implementations of a method for seeding sequence libraries on a surface of a sequencing flow cell that allow for spatial segregation of the libraries on the surface are provided. The spatial segregation can be used to index sequence reads from individual sequencing libraries to increase efficiency of subsequent data analysis. In some examples, hydrogel beads containing encapsulated sequencing libraries are captured on a sequencing flow cell and degraded in the presence of a liquid diffusion barrier to allow for the spatial segregation and seeding of the sequencing libraries on the surface of the flow cell. Additionally, examples of systems, methods and compositions are provided relating to flow cell devices configured for nucleic acid library preparation and single cell sequencing. Some examples include flow cell devices having a hydrogel with genetic material disposed therein, and which is retained within the hydrogel during nucleic acid processing.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: May 16, 2023
    Assignee: ILLUMINA, INC.
    Inventors: Tarun Kumar Khurana, Yir-Shyuan Wu, Xi-Jun Chen, Filiz Gorpe-Yasar, Yan-You Lin, Victoria Popic, Erich B. Jaeger, Mostafa Ronaghi
  • Publication number: 20230063675
    Abstract: 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: Application
    Filed: October 31, 2022
    Publication date: March 2, 2023
    Inventors: Xi-Jun Chen, Yir-Shyuan Wu, Tarun Kumar Khurana, Liangliang Qiang, Andrew J. Price, Elisabet Rosas
  • Patent number: 11591592
    Abstract: This invention relates to compositions of matter, methods, modules and automated, end-to-end closed instruments for automated mammalian cell growth, reagent bundle creation and mammalian cell transfection followed by nucleic acid-guided nuclease editing in live mammalian cells. The disclosed compositions and method entail making “reagent bundles” comprising many (hundreds of thousands to millions) clonal copies of an editing cassette and delivering or co-localizing the reagent bundles with live mammalian cells such that the editing cassettes edit the cells and the edited cells continue to grow.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: February 28, 2023
    Assignee: Inscripta, Inc.
    Inventors: Phillip Belgrader, Nathan Bade, Christian Siltanen, Aamir Mir, Xi-Jun Chen, Janine Mok, Burak Dura, Bruce Chabansky, David Stumbo, Eric Smith, Jorge Bernate
  • Publication number: 20220410146
    Abstract: An example of a flow cell includes a substrate, which includes nano-depressions defined in a surface of the substrate, and interstitial regions separating the nano-depressions. A hydrophobic material layer has a surface that is at least substantially co-planar with the interstitial regions and is positioned to define a hydrophobic barrier around respective sub-sets of the nano-depressions.
    Type: Application
    Filed: August 29, 2022
    Publication date: December 29, 2022
    Inventors: Tarun Kumar Khurana, Arnaud Rival, Lewis J. Kraft, Steven Barnard, M. Shane Bowen, Xi-Jun Chen, Yir-Shyuan Wu, Jeffrey S. Fisher, Dajun Yuan
  • Publication number: 20220411859
    Abstract: Systems, methods, and compositions provided herein relate to preparation of beads encapsulating genetic material. Some embodiments include preparation of nucleic acid libraries within the bead, wherein the bead includes pores that allow diffusion of reagents while retaining genetic material.
    Type: Application
    Filed: August 1, 2018
    Publication date: December 29, 2022
    Inventors: Yir-Shyuan Wu, Xi-Jun Chen, Filiz Gorpe-Yasar, Falko Noé, Charles Lin, Tarun Kumar Khurana, Foad Mashayekhi, Pallavi Daggumati, Frank J Steemers, Kevin Gunderson, Jeffrey S Fisher
  • Patent number: 11535890
    Abstract: 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: Grant
    Filed: January 23, 2020
    Date of Patent: December 27, 2022
    Assignee: Illumina, Inc.
    Inventors: Xi-Jun Chen, Yir-Shyuan Wu, Tarun Kumar Khurana, Liangliang Qiang, Andrew J. Price, Elisabet Rosas
  • Patent number: 11518993
    Abstract: Systems, methods and compositions provided herein relate to the preparation of nucleic acid libraries. Some embodiments include the preparation of nucleic acid libraries by ligation of single-stranded nucleic acids.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: December 6, 2022
    Assignee: ILLUMINA, INC.
    Inventors: Xi-Jun Chen, Tarun Khurana
  • Patent number: 11499192
    Abstract: 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: Grant
    Filed: January 23, 2020
    Date of Patent: November 15, 2022
    Assignee: Illumina, Inc.
    Inventors: Xi-Jun Chen, Yir-Shyuan Wu, Tarun Kumar Khurana, Liangliang Qiang, Andrew J. Price, Elisabet Rosas
  • Publication number: 20220331792
    Abstract: An example of a flow cell includes a substrate, which includes nano-depressions defined in a surface of the substrate, and interstitial regions separating the nano-depressions. A hydrophobic material layer has a surface that is at least substantially co-planar with the interstitial regions and is positioned to define a hydrophobic barrier around respective sub-sets of the nano-depressions.
    Type: Application
    Filed: April 26, 2022
    Publication date: October 20, 2022
    Inventors: Tarun Kumar Khurana, Arnaud Rival, Lewis J. Kraft, Steven Barnard, M. Shane Bowen, Xi-Jun Chen, Yir-Shyuan Wu, Jeffrey S. Fisher, Dajun Yuan
  • Publication number: 20220243269
    Abstract: Implementations of a method for seeding sequence libraries on a surface of a sequencing flow cell that allow for spatial segregation of the libraries on the surface are provided. The spatial segregation can be used to index sequence reads from individual sequencing libraries to increase efficiency of subsequent data analysis. In some examples, hydrogel beads containing encapsulated sequencing libraries are captured on a sequencing flow cell and degraded in the presence of a liquid diffusion barrier to allow for the spatial segregation and seeding of the sequencing libraries on the surface of the flow cell. Additionally, examples of systems, methods and compositions are provided relating to flow cell devices configured for nucleic acid library preparation and single cell sequencing. Some examples include flow cell devices having a hydrogel with genetic material disposed therein, and which is retained within the hydrogel during nucleic acid processing.
    Type: Application
    Filed: April 13, 2022
    Publication date: August 4, 2022
    Inventors: Tarun Kumar Khurana, Yir-Shyuan Wu, Xi-Jun Chen, Filiz Gorpe-Yasar, Yan-You Lin, Victoria Popic, Erich B. Jaeger, Mostafa Ronaghi