Patents by Inventor Yi-Zhen Hu

Yi-Zhen Hu 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: 20240228785
    Abstract: The present disclosure provides for compounds of Formula (I), its corresponding compounds of Formula (II) or salts thereof and their use as fluorogenic pH sensors.
    Type: Application
    Filed: January 23, 2024
    Publication date: July 11, 2024
    Inventors: Yi-Zhen HU, Aimei CHEN, Daniel BEACHAM, Chrisgen VONNEGUT, Krishnamurthy NACHARAJU
  • Publication number: 20240182451
    Abstract: The present disclosure relates to new and useful azaindole cyanine (pyrrolo pyridine cyanine) compounds. Use of the compounds as dyes that operate in the far-red and near-IR spectral region in biological imaging, and methods of making and using the compounds are also disclosed herein.
    Type: Application
    Filed: January 18, 2024
    Publication date: June 6, 2024
    Inventors: Yi-Zhen HU, Brian EVANS
  • Patent number: 11952495
    Abstract: The present disclosure provides for compounds of Formula (I), its corresponding compounds of Formula (II) or salts thereof and their use as fluorogenic pH sensors.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: April 9, 2024
    Assignee: Life Technologies Corporation
    Inventors: Yi-Zhen Hu, Aimei Chen, Daniel Beacham, Chrisgen Vonnegut, Krishnamurthy Nacharaju
  • Patent number: 11768156
    Abstract: Provided herein are compounds, compositions, kits, uses, and methods for assessing the viability of cells and/or quantifying the amount of live and dead cells in a mixture using differential stains. In some embodiments, the compounds are used in culture media or can function independently of fixation and/or permeabilization. In some embodiments, the compounds comprise a platinum atom. In some embodiments, the compounds comprise a nitrogen mustard moiety.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: September 26, 2023
    Assignee: Life Technologies Corporation
    Inventors: Kyle Gee, Kathleen Kihn, Yi-Zhen Hu, Yexin Wu, Kathleen Free
  • Publication number: 20230085832
    Abstract: Provided herein are compounds, compositions, kits, uses, and methods for assessing the viability of cells and/or quantifying the amount of live and dead cells in a mixture using differential stains. In some embodiments, the compounds are used in culture media or can function independently of fixation and/or permeabilization. In some embodiments, the compounds comprise a platinum atom. In some embodiments, the compounds comprise a nitrogen mustard moiety.
    Type: Application
    Filed: September 30, 2022
    Publication date: March 23, 2023
    Inventors: Kyle GEE, Kathleen KIHN, Yi-Zhen HU, Yexin WU, Kathleen FREE
  • Patent number: 11493446
    Abstract: Provided herein are compounds, compositions, kits, uses, and methods for assessing the viability of cells and/or quantifying the amount of live and dead cells in a mixture using differential stains. In some embodiments, the compounds are used in culture media or can function independently of fixation and/or permeabilization. In some embodiments, the compounds comprise a platinum atom. In some embodiments, the compounds comprise a nitrogen mustard moiety.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: November 8, 2022
    Inventors: Kyle Gee, Kathleen Kihn, Yi-Zhen Hu, Yexin Wu, Kathleen Free
  • Publication number: 20220119701
    Abstract: Water-soluble, fluorescent particles and compositions, kits, and methods of making and using such particles are disclosed. Processes for preparing fluorescent particles and for controlling the size, polydispersity and optical properties of such particles also are provided.
    Type: Application
    Filed: October 29, 2021
    Publication date: April 21, 2022
    Inventors: Adam YORK, Eric WELCH, Kyle GEE, Xin WANG, Robert AGGELER, Yi-Zhen HU
  • Patent number: 11193057
    Abstract: Water-soluble, fluorescent particles and compositions, kits, and methods of making and using such particles are disclosed. Processes for preparing fluorescent particles and for controlling the size, polydispersity and optical properties of such particles also are provided.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: December 7, 2021
    Assignee: Life Technologies Corporation
    Inventors: Adam York, Eric Welch, Kyle Gee, Xin Wang, Robert Aggeler, Yi-Zhen Hu
  • Publication number: 20210324198
    Abstract: Silicon-substituted rhodamine compounds are disclosed herein. Also described herein are SiR dyes comprising at least one vinyl group attached to the Si atom (10 position) of the SiR dye. Derivatives, functionalized versions, conjugates, kits, related synthetic methods and uses of SiR compounds also are provided. Silicon-rhodamine (SiR) dyes can provide bright fluorescence at far red wavelengths and exhibit good photostability. The compounds described herein can be useful for fluorescent labeling and detection of biological samples.
    Type: Application
    Filed: August 8, 2019
    Publication date: October 21, 2021
    Inventors: Jongtae YANG, Xin WANG, Yi-Zhen HU, Kyle GEE, Aimei CHEN, Scott BENSON, Brian EVANS, Aleksey RUKAVISHNIKOV
  • Patent number: 10570250
    Abstract: Water-soluble, conjugated polymers containing one or more dibenzosilole monomer residues, as well as compositions, kits, and methods of making and using such polymers are disclosed. Also disclosed are dibenzosilole derivatives substituted with one or more water-solubilizing groups, and methods of making and using such derivatives to prepare water-soluble dibenzosilole polymers.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: February 25, 2020
    Assignee: LIFE TECHNOLOGIES CORPORATION
    Inventors: Kyle Gee, Xin Wang, Hee Chol Kang, Aimei Chen, Yexin Wu, Yi-Zhen Hu, Robert Aggeler, Quentin Low
  • Publication number: 20190195801
    Abstract: Provided herein are compounds, compositions, kits, uses, and methods for assessing the viability of cells and/or quantifying the amount of live and dead cells in a mixture using differential stains. In some embodiments, the compounds are used in culture media or can function independently of fixation and/or permeabilization. In some embodiments, the compounds comprise a platinum atom. In some embodiments, the compounds comprise a nitrogen mustard moiety.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 27, 2019
    Inventors: Kyle Gee, Kathleen Kihn, Yi-Zhen Hu, Yexin Wu, Kathleen Free
  • Publication number: 20190194532
    Abstract: Water-soluble, fluorescent particles and compositions, kits, and methods of making and using such particles are disclosed. Processes for preparing fluorescent particles and for controlling the size, polydispersity and optical properties of such particles also are provided.
    Type: Application
    Filed: August 24, 2017
    Publication date: June 27, 2019
    Inventors: Adam YORK, Eric WELCH, Kyle GEE, Xin WANG, Robert AGGELER, Yi-Zhen HU
  • Publication number: 20180355098
    Abstract: Water-soluble, conjugated polymers containing one or more dibenzosilole monomer residues, as well as compositions, kits, and methods of making and using such polymers are disclosed. Also disclosed are dibenzosilole derivatives substituted with one or more water-solubilizing groups, and methods of making and using such derivatives to prepare water-soluble dibenzosilole polymers.
    Type: Application
    Filed: August 21, 2018
    Publication date: December 13, 2018
    Inventors: Kyle Gee, Xin Wang, Hee Chol Kang, Aimei Chen, Yexin Wu, Yi-Zhen Hu, Robert Aggeler, Quentin Low
  • Patent number: 10087280
    Abstract: Water-soluble, conjugated polymers containing one or more dibenzosilole monomer residues, as well as compositions, kits, and methods of making and using such polymers are disclosed. Also disclosed are dibenzosilole derivatives substituted with one or more water-solubilizing groups, and methods of making and using such derivatives to prepare water-soluble dibenzosilole polymers.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: October 2, 2018
    Assignee: Life Technologies Corporation
    Inventors: Kyle Gee, Xin Wang, Hee Chol Kang, Aimei Chen, Yexin Wu, Yi-Zhen Hu, Robert Aggeler, Quentin Low
  • Publication number: 20170247504
    Abstract: Water-soluble, conjugated polymers containing one or more dibenzosilole monomer residues, as well as compositions, kits, and methods of making and using such polymers are disclosed. Also disclosed are dibenzosilole derivatives substituted with one or more water-solubilizing groups, and methods of making and using such derivatives to prepare water-soluble dibenzosilole polymers.
    Type: Application
    Filed: August 14, 2015
    Publication date: August 31, 2017
    Inventors: Kyle GEE, Xin WANG, Hee Chol KANG, Aimei CHEN, Yexin WU, Yi-Zhen HU, Robert AGGELER, Quentin LOW
  • Publication number: 20170166603
    Abstract: Provided herein are heptamethine cyanine dyes having a large Stokes shift, and the salts and conjugates thereof. Also provided are methods of using and making such large Stokes shift dyes as fluorescence resonance energy transfer (FRET) acceptors or donors.
    Type: Application
    Filed: February 21, 2017
    Publication date: June 15, 2017
    Inventors: Yi-Zhen HU, Hee Chol KANG
  • Publication number: 20170108518
    Abstract: Disclosed herein are compounds, compositions, methods, and kits for detecting reactive oxygen species (ROS) by conventional fluorescence microscopy, fluorescence spectroscopy, flow cytometry, and/or high content imaging. The compounds disclosed herein are novel reduced nucleic acid binding cyanine dyes, which dyes are probes for detecting ROS and measuring oxidative stress in cells either in vitro and/or in vivo. Also described herein are processes for preparing novel reduced dyes, i.e., ROS probes, for use in the disclosed compositions, methods and kits.
    Type: Application
    Filed: November 1, 2016
    Publication date: April 20, 2017
    Inventors: Yi-Zhen HU, Aimei Chen, Hee Chol Kang, Kyle Gee, Bhaskar Mandavilli
  • Patent number: 9624424
    Abstract: Provided herein are heptamethine cyanine dyes having a large Stokes shift, and the salts and conjugates thereof. Also provided are methods of using and making such large Stokes shift dyes as fluorescence resonance energy transfer (FRET) acceptors or donors.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: April 18, 2017
    Assignee: Life Technologies Corporation
    Inventors: Yi-Zhen Hu, Hee Chol Kang
  • Patent number: 9518981
    Abstract: Disclosed herein are compounds, compositions, methods, and kits for detecting reactive oxygen species (ROS) by conventional fluorescence microscopy, fluorescence spectroscopy, flow cytometry, and/or high content imaging. The compounds disclosed herein are novel reduced nucleic acid binding cyanine dyes, which dyes are probes for detecting ROS and measuring oxidative stress in cells either in vitro and/or in vivo. Also described herein are processes for preparing novel reduced dyes, i.e., ROS probes, for use in the disclosed compositions, methods and kits.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: December 13, 2016
    Assignee: LIFE TECHNOLOGIES CORPORATION
    Inventors: Yi-Zhen Hu, Aimei Chen, Hee Chol Kang, Kyle Gee, Bhaskar Mandavilli
  • Publication number: 20150090936
    Abstract: Provided herein are heptamethine cyanine dyes having a large Stokes shift, and the salts and conjugates thereof. Also provided are methods of using and making such large Stokes shift dyes as fluorescence resonance energy transfer (FRET) acceptors or donors.
    Type: Application
    Filed: December 10, 2014
    Publication date: April 2, 2015
    Inventors: Yi-Zhen HU, Hee Chol KANG