Patents by Inventor Yuling Luo

Yuling Luo 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: 20250138000
    Abstract: Disclosed herein are highly sensitive immunoassays that utilize a capture/release mechanism to reduce non-specific binding and achieve detection with attomolar-level sensitivity. Kits that can be used for carrying out these highly sensitive immunoassays are also disclosed herein.
    Type: Application
    Filed: July 3, 2024
    Publication date: May 1, 2025
    Inventors: Yuling LUO, Wei FENG, Adrian GRZYBOWSKI, Yiyuan YIN, Shiping CHEN
  • Publication number: 20250044310
    Abstract: Disclosed herein is an instrument and associated methods for a fully automated bench-top NULISA platform, comprising an X-Y-Z-gantry, a microtiter plate stage, an incubator, a quantitative PCR module, a decontamination cleaner for microtiter plates, a microtiter plate sealer, a magnetic probe and comb assembly for sample mixing and magnetic bead extraction, a storage unit for reagents and supplies, and a controller.
    Type: Application
    Filed: May 10, 2024
    Publication date: February 6, 2025
    Inventors: Yuling Luo, Shiping Chen, Cheng Peng, Kaiyuan Zhang, Taber Smith, Kenneth Miller, Faisal Maniar, Christina Kozlovsky, Bruce denDulk, Wayne Hopp
  • Patent number: 12188929
    Abstract: Disclosed herein are highly sensitive immunoassays that utilize a capture/release mechanism to reduce non-specific binding and achieve detection with attomolar-level sensitivity. Kits that can be used for carrying out these highly sensitive immunoassays are also disclosed herein.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: January 7, 2025
    Assignee: Alamar Biosciences, Inc.
    Inventors: Yuling Luo, Wei Feng, Adrian Grzybowski, Yiyuan Yin, Shiping Chen
  • Publication number: 20240425908
    Abstract: The invention relates to methods of detecting nucleic acids, including methods of detecting one or more target nucleic acid sequences in multiplex branched-chain DNA assays, are provided. Nucleic acids captured on a solid support or suspending cells are detected, for example, through cooperative hybridization events that result in specific association of a label with the nucleic acids. The invention further relates to methods to improve probe hybridization specificity and their application in genotyping. The invention also relates to in situ detection of mis-joined nucleic acid sequences. The invention relates to reducing false positive signals and improve signal-to-background ratio in hybridization-based nucleic acid detection assay. The invention further relates to method to improve specificity in hybridization based nucleic acid using co-location probes. Compositions, tissue slides, sample of suspended cells, kits, and systems related to the methods are also described.
    Type: Application
    Filed: September 10, 2024
    Publication date: December 26, 2024
    Inventors: Yuling LUO, John James FLANAGAN, Nan SU, Huei-Yu Fay WANG
  • Publication number: 20240392355
    Abstract: The invention relates to methods of in situ detection of a nucleic acid variation of a target nucleic acid in a sample, including single nucleotide variations, multi-nucleotide variations or splice sites. The method can comprise the steps of contacting the sample with a probe that detects the nucleic acid variation or splice site and a neighbor probe; contacting the sample with pre-amplifiers that bind to the nucleic acid variation probe or splice site probe and neighbor probe, respectively; contacting the sample with a collaboration amplifier that binds to the pre-amplifiers; and contacting the sample with a label probe system, wherein hybridization of the components forms a signal generating complex (SGC) comprising a target nucleic acid with the nucleic acid variation or splice site, the probes and amplifiers; and detecting in situ signal from the SGC on the sample.
    Type: Application
    Filed: July 31, 2024
    Publication date: November 28, 2024
    Inventors: Yuling Luo, Xingyong Wu, Liuliu Pan, Xiaoming Wang, Xiao-Jun Ma, Nan Su, Steve Chen
  • Patent number: 12105084
    Abstract: Disclosed herein are highly sensitive immunoassays that utilize a capture/release mechanism to reduce non-specific binding and achieve detection with attomolar-level sensitivity. Kits that can be used for carrying out these highly sensitive immunoassays are also disclosed herein.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: October 1, 2024
    Assignee: Alamar Biosciences, Inc.
    Inventors: Yuling Luo, Wei Feng, Adrian Grzybowski, Yiyuan Yin, Shiping Chen
  • Patent number: 11788124
    Abstract: The present invention relates to detection of nucleic acids and provides a composition comprising a Signal Generating Complex, wherein the composition comprises: (A) a pair of target probes (TPs), wherein a first TP of the pair of TPs comprises a nucleic acid sequence comprising two segments; (B) a pair of base PPAs comprising the first and second base PPAs, wherein the first base PPA comprises a nucleic acid sequence comprising three segments; (C) a set of extension PPAs comprising the first and second extension PPAs, wherein the first extension PPA comprises a nucleic acid sequence comprising two segments; (D) a plurality of pre-amplifiers (PAs), wherein the PAs comprise a nucleic acid sequence comprising three segments; (E) a plurality of amplifiers (AMPs), wherein the AMPs comprise a nucleic acid sequence comprising two segments; and (F) a plurality of label probes (LPs), wherein the LPs comprise a nucleic acid sequence comprising two segments.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: October 17, 2023
    Assignee: ADVANCED CELL DIAGNOSTICS, INC.
    Inventors: Yuling Luo, Xiao-Jun Ma, Steve Chen, Nan Su, Emerald Doolittle, Bingqing Zhang, Xiaoming Wang, Xingyong Wu, Xiao Yan Pimentel, Helen Jarnagin
  • Publication number: 20230151413
    Abstract: Methods of detecting multiple nucleic acid targets in single cells through indirect capture of labels to nucleic acid are provided. Methods of assaying the relative levels of nucleic acid targets through normalization to levels of reference nucleic acids are also provided. Methods of detecting individual cells, particularly rare cells from large heterogeneous cell populations through detection of nucleic acids are described. Related compositions, systems, and kits are also provided.
    Type: Application
    Filed: October 14, 2022
    Publication date: May 18, 2023
    Inventors: Yuling Luo, Shiping Chen
  • Publication number: 20230143970
    Abstract: Methods of detecting multiple nucleic acid targets in single cells through indirect capture of labels to the nucleic acids are provided. Methods of assaying the relative levels of nucleic acid targets through normalization to levels of reference nucleic acids are also provided. Methods of detecting individual cells, particularly rare cells from large heterogeneous cell populations, through detection of nucleic acids are described. Related compositions, systems, and kits are also provided.
    Type: Application
    Filed: October 14, 2022
    Publication date: May 11, 2023
    Inventors: Shiping Chen, Yuling Luo
  • Publication number: 20220390442
    Abstract: Disclosed herein are highly sensitive immunoassays that utilize a capture/release mechanism to reduce non-specific binding and achieve detection with attomolar-level sensitivity. Kits that can be used for carrying out these highly sensitive immunoassays are also disclosed herein.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 8, 2022
    Inventors: Yuling Luo, Wei Feng, Adrian Grzybowski, Yiyuan Yin, Shiping Chen
  • Publication number: 20210395806
    Abstract: The invention relates to methods of in situ detection of a nucleic acid variation of a target nucleic acid in a sample, including single nucleotide variations, multi-nucleotide variations or splice sites. The method can comprise the steps of contacting the sample with a probe that detects the nucleic acid variation or splice site and a neighbor probe; contacting the sample with pre-amplifiers that bind to the nucleic acid variation probe or splice site probe and neighbor probe, respectively; contacting the sample with a collaboration amplifier that binds to the pre-amplifiers; and contacting the sample with a label probe system, wherein hybridization of the components forms a signal generating complex (SGC) comprising a target nucleic acid with the nucleic acid variation or splice site, the probes and amplifiers; and detecting in situ signal from the SGC on the sample.
    Type: Application
    Filed: June 29, 2021
    Publication date: December 23, 2021
    Inventors: Yuling Luo, Xingyong Wu, Liuliu Pan, Xiaoming Wang, Xiao-Jun Ma, Nan Su, Steve Chen
  • Publication number: 20210285941
    Abstract: Disclosed herein are highly sensitive immunoassays that utilize a capture/release mechanism to reduce non-specific binding and achieve detection with attomolar-level sensitivity. Kits that can be used for carrying out these highly sensitive immunoassays are also disclosed herein.
    Type: Application
    Filed: May 25, 2021
    Publication date: September 16, 2021
    Inventors: Yuling Luo, Wei Feng, Adrian Grzybowski, Yiyuan Yin, Shiping Chen
  • Publication number: 20210278398
    Abstract: Disclosed herein are highly sensitive immunoassays that utilize a capture/release mechanism to reduce non-specific binding and achieve detection with attomolar-level sensitivity. Kits that can be used for carrying out these highly sensitive immunoassays are also disclosed herein.
    Type: Application
    Filed: May 25, 2021
    Publication date: September 9, 2021
    Inventors: Yuling Luo, Wei Feng, Adrian Grzybowski, Yiyuan Yin, Shiping Chen
  • Patent number: 11078528
    Abstract: The invention relates to methods of in situ detection of a nucleic acid variation of a target nucleic acid in a sample, including single nucleotide variations, multi-nucleotide variations or splice sites. The method can comprise the steps of contacting the sample with a probe that detects the nucleic acid variation or splice site and a neighbor probe; contacting the sample with pre-amplifiers that bind to the nucleic acid variation probe or splice site probe and neighbor probe, respectively; contacting the sample with a collaboration amplifier that binds to the pre-amplifiers; and contacting the sample with a label probe system, wherein hybridization of the components forms a signal generating complex (SGC) comprising a target nucleic acid with the nucleic acid variation or splice site, the probes and amplifiers; and detecting in situ signal from the SGC on the sample.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: August 3, 2021
    Assignee: ADVANCED CELL DIAGNOSTICS, INC.
    Inventors: Yuling Luo, Xingyong Wu, Liuliu Pan, Xiaoming Wang, Xiao-Jun Ma, Nan Su, Steve Chen
  • Publication number: 20210032690
    Abstract: The present invention relates to detection of nucleic acids and provides a composition comprising a Signal Generating Complex, wherein the composition comprises: (A) a pair of target probes (TPs), wherein a first TP of the pair of TPs comprises a nucleic acid sequence comprising two segments; (B) a pair of base PPAs comprising the first and second base PPAs, wherein the first base PPA comprises a nucleic acid sequence comprising three segments; (C) a set of extension PPAs comprising the first and second extension PPAs, wherein the first extension PPA comprises a nucleic acid sequence comprising two segments; (D) a plurality of pre-amplifiers (PAs), wherein the PAs comprise a nucleic acid sequence comprising three segments; (E) a plurality of amplifiers (AMPs), wherein the AMPs comprise a nucleic acid sequence comprising two segments; and (F) a plurality of label probes (LPs), wherein the LPs comprise a nucleic acid sequence comprising two segments.
    Type: Application
    Filed: April 8, 2019
    Publication date: February 4, 2021
    Inventors: Yuling LUO, Xiao-Jun MA, Steve CHEN, Nan SU, Emerald DOOLITTLE, Bingqing ZHANG, Xiaoming WANG, Xingyong WU, Xiao Yan PIMENTEL, Helen JARNAGIN
  • Publication number: 20210032689
    Abstract: Methods of detecting multiple nucleic acid targets in single cells through indirect capture of labels to the nucleic acids are provided. Methods of assaying the relative levels of nucleic acid targets through normalization to levels of reference nucleic acids are also provided. Methods of detecting individual cells, particularly rare cells from large heterogeneous cell populations, through detection of nucleic acids are described. Related compositions, systems, and kits are also provided.
    Type: Application
    Filed: August 18, 2020
    Publication date: February 4, 2021
    Inventors: Yuling Luo, Shiping Chen, Huei-Yu Fay Wang, John James Flanagan
  • Publication number: 20200407782
    Abstract: Methods of detecting multiple nucleic acid targets in single cells through indirect capture of labels to the nucleic acids are provided. Methods of assaying the relative levels of nucleic acid targets through normalization to levels of reference nucleic acids are also provided. Methods of detecting individual cells, particularly rare cells from large heterogeneous cell populations, through detection of nucleic acids are described. Related compositions, systems, and kits are also provided.
    Type: Application
    Filed: September 4, 2020
    Publication date: December 31, 2020
    Inventors: Yuling Luo, Shiping Chen
  • Publication number: 20200399689
    Abstract: The invention relates to methods of detecting nucleic acids, including methods of detecting one or more target nucleic acid sequences in multiplex branched-chain DNA assays, are provided. Nucleic acids captured on a solid support or suspending cells are detected, for example, through cooperative hybridization events that result in specific association of a label with the nucleic acids. The invention further relates to methods to improve probe hybridization specificity and their application in genotyping. The invention also relates to in situ detection of mis-joined nucleic acid sequences. The invention relates to reducing false positive signals and improve signal-to-background ratio in hybridization-based nucleic acid detection assay. The invention further relates to method to improve specificity in hybridization based nucleic acid using co-location probes. Compositions, tissue slides, sample of suspended cells, kits, and systems related to the methods are also described.
    Type: Application
    Filed: June 4, 2020
    Publication date: December 24, 2020
    Applicant: ADVANCED CELL DIAGNOSTICS, INC.
    Inventors: Yuling LUO, John James FLANAGAN, Nan SU, Huei-Yu Fay WANG
  • Publication number: 20190203276
    Abstract: Methods of detecting multiple nucleic acid targets in single cells through indirect capture of labels to the nucleic acids are provided. Methods of assaying the relative levels of nucleic acid targets through normalization to levels of reference nucleic acids are also provided. Methods of detecting individual cells, particularly rare cells from large heterogeneous cell populations, through detection of nucleic acids are described. Related compositions, systems, and kits are also provided.
    Type: Application
    Filed: March 6, 2019
    Publication date: July 4, 2019
    Inventors: Yuling Luo, Shiping Chen
  • Patent number: 9663822
    Abstract: Methods of capturing two or more nucleic acids simultaneously from a single sample are provided. Different nucleic acids are captured through cooperative hybridization events on different subsets of particles or at different selected positions on a spatially addressable solid support. Methods of capturing one or more long nucleic acids and methods of capturing one or more nucleic acid for sequencing are also provided. Compositions, kits, and systems related to the methods are also described.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: May 30, 2017
    Assignee: Affymetrix, Inc.
    Inventors: Yuling Luo, Yunqing Ma, Gary McMaster, Quan Ngoc Nguyen, Frank Witney, Wen Yang