Patents by Inventor Jacquelyn A. DuVall

Jacquelyn A. DuVall 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: 20230212556
    Abstract: Systems and methods for associating single cell imaging data with RNA transcriptomics. Single cells are isolated into microwells with a microbead having oligonucleotides conjugated on its surface. Each oligonucleotide includes a cell identifying optical barcode that is unique to that bead and binding sequence for RNA capture after cell lysis. The system is configured for loading single cells into the microarray and for flowing cell lysis buffers and other reagents into the microarray for performing RNA library sample preparation. The system is also configured for lowing optical hybridization probes that are complementary to the cell identifying optical barcodes and optically labeled onto the microwell array and for obtaining images of the microwells in response to the probes. The system and unique cell identifying optical barcodes and complementary optical hybridization probes facilitate a link between phenotypic imaging of cells resident on the microwell array with single cell whole transcriptome sequencing.
    Type: Application
    Filed: June 26, 2020
    Publication date: July 6, 2023
    Inventors: Jacquelyn DuVall, Brandon Thompson, Peter Alan Sims, Jinzhou Yuan, Zhouzerui Liu, Dogukan Mizrak, Steven C. Gebhart, Peter Glyn Boone
  • Publication number: 20220097042
    Abstract: A method to extract, amplify and separate nucleic acid in a microfluidic device having a plurality of chambers and channels can include a) introducing cells having nucleic acid to a first chamber of the microfluidic device and subjecting the cells in the first chamber to conditions that lyse the cells. The method can further include b) subjecting the first chamber to centrifugal force, thereby allowing the lysate or a portion thereof having nucleic acid to be distributed to a second chamber through a first channel in the microfluidic device. The method can also include c) combining the lysate or the portion thereof and reagents for amplification of the nucleic acid, thereby providing a second mixture. The method can also include d) subjecting the second chamber to centrifugal force, thereby allowing gas to be expelled from the second mixture.
    Type: Application
    Filed: September 7, 2021
    Publication date: March 31, 2022
    Inventors: James P. Landers, Jacquelyn A. DuVall, Delphine Le Roux, Brian Root, Daniel Mills, Daniel A. Nelson, An-chi Tsuei, Brandon L. Thompson, Jingyi Li, Christopher Birch
  • Patent number: 11135583
    Abstract: A method to extract, amplify and separate nucleic acid in a microfluidic device having a plurality of chambers and channels can include a) introducing cells having nucleic acid to a first chamber of the microfluidic device and subjecting the cells in the first chamber to conditions that lyse the cells. The method can further include b) subjecting the first chamber to centrifugal force, thereby allowing the lysate or a portion thereof having nucleic acid to be distributed to a second chamber through a first channel in the microfluidic device. The method can also include c) combining the lysate or the portion thereof and reagents for amplification of the nucleic acid, thereby providing a second mixture. The method can also include d) subjecting the second chamber to centrifugal force, thereby allowing gas to be expelled from the second mixture.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: October 5, 2021
    Assignee: University of Virginia Patent Foundation
    Inventors: James P. Landers, Jacquelyn A. DuVall, Delphine Le Roux, Brian Root, Daniel Mills, Daniel A. Nelson, An-Chi Tsuei, Brandon L. Thompson, Jingyi Li, Christopher Birch
  • Publication number: 20190054468
    Abstract: This disclosure provides for apparatuses, systems and methods for in vitro sample detection. For example in one embodiment, this disclosure provides an automated Pe-toner microfluidic device (and related method) on a centrifugal platform for DNA sample lysis and DNA extraction. A second embodiment provides a system and method for qualitative detection, quantification, and real-time monitoring of nucleic acid amplification products using magnetic bead aggregation inhibition. A third embodiment provides a platform for simultaneous detection of mRNA markers from blood, cell-free semen, sperm, saliva, and vaginal fluid. The third embodiment comprises a system and method that provide for simple, rapid, and fluorescence-free detection of body fluids using mRNA marker amplification and optical detection for mRNA marker analysis with a smart phone with image analysis.
    Type: Application
    Filed: October 21, 2016
    Publication date: February 21, 2019
    Inventors: James P. LANDERS, Kimberly Renee JACKSON, Daniel MILLS, Gavin T. GARNER, Jacquelyn A. DuVall, Jingyi LI
  • Publication number: 20180304253
    Abstract: A method to extract, amplify and separate nucleic acid in a microfluidic device having a plurality of chambers and channels can include a) introducing cells having nucleic acid to a first chamber of the microfluidic device and subjecting the cells in the first chamber to conditions that lyse the cells. The method can further include b) subjecting the first chamber to centrifugal force, thereby allowing the lysate or a portion thereof having nucleic acid to be distributed to a second chamber through a first channel in the microfluidic device. The method can also include c) combining the lysate or the portion thereof and reagents for amplification of the nucleic acid, thereby providing a second mixture. The method can also include d) subjecting the second chamber to centrifugal force, thereby allowing gas to be expelled from the second mixture.
    Type: Application
    Filed: October 13, 2016
    Publication date: October 25, 2018
    Inventors: James P. Landers, Jacquelyn A. DuVall, Delphine Le Roux, Brian Root, Daniel MIlls, Daniel A. Nelson, An-chi Tsuei, Brandon L. Thompson, Jingyi Li, Christopher Birch