Patents by Inventor Carolyn Woodroofe Hitko

Carolyn Woodroofe Hitko 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: 20230183603
    Abstract: The invention provides surfactant compounds of formulas I-IX, which can be used in methods for aiding the solubilization, digestion, preparation, analysis, and/or characterization of biological material, for example, proteins or cell membranes. The compounds can also aid in the recovery of peptides generated during protein digestion, particularly for in-gel digestion protocol. Additionally, the compounds can improve enzymatic protein deglycosylation without interfering with downstream sample preparation steps and mass spectrometric analysis. The compounds can be specifically useful as digestion aids that can be decomposed by an acid, by heat, or a combination thereof. Decomposition of the surfactants allows for facile separation from isolated samples, and/or allows for analysis of the sample without interfering with the sensitivity of various analytical techniques.
    Type: Application
    Filed: October 10, 2022
    Publication date: June 15, 2023
    Inventors: Sergei Saveliev, Daniel Simpson, Keith V. Wood, Harry Tetsuo Uyeda, Carolyn Woodroofe Hitko, Dieter Klaubert
  • Patent number: 11624041
    Abstract: The invention provides surfactant compounds of formulas I-IX, which can be used in methods for aiding the solubilization, digestion, preparation, analysis, and/or characterization of biological material, for example, proteins or cell membranes. The compounds can also aid in the recovery of peptides generated during protein digestion, particularly for in-gel digestion protocol. Additionally, the compounds can improve enzymatic protein deglycosylation without interfering with downstream sample preparation steps and mass spectrometric analysis. The compounds can be specifically useful as digestion aids that can be decomposed by an acid, by heat, or a combination thereof. Decomposition of the surfactants allows for facile separation from isolated samples, and/or allows for analysis of the sample without interfering with the sensitivity of various analytical techniques.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: April 11, 2023
    Assignee: Promega Corporation
    Inventors: Sergei Saveliev, Daniel Simpson, Keith V. Wood, Harry Tetsuo Uyeda, Carolyn Woodroofe Hitko, Dieter Klaubert
  • Publication number: 20200263110
    Abstract: The invention provides surfactant compounds of formulas I-IX, which can be used in methods for aiding the solubilization, digestion, preparation, analysis, and/or characterization of biological material, for example, proteins or cell membranes. The compounds can also aid in the recovery of peptides generated during protein digestion, particularly for in-gel digestion protocol. Additionally, the compounds can improve enzymatic protein deglycosylation without interfering with downstream sample preparation steps and mass spectrometric analysis. The compounds can be specifically useful as digestion aids that can be decomposed by an acid, by heat, or a combination thereof. Decomposition of the surfactants allows for facile separation from isolated samples, and/or allows for analysis of the sample without interfering with the sensitivity of various analytical techniques.
    Type: Application
    Filed: February 28, 2020
    Publication date: August 20, 2020
    Inventors: Sergei Saveliev, Daniel Simpson, Keith V. Wood, Harry Tetsuo Uyeda, Carolyn Woodroofe Hitko, Dieter Klaubert
  • Patent number: 10626349
    Abstract: The invention provides surfactant compounds of formulas I-IX, which can be used in methods for aiding the solubilization, digestion, preparation, analysis, and/or characterization of biological material, for example, proteins or cell membranes. The compounds can also aid in the recovery of peptides generated during protein digestion, particularly for in-gel digestion protocol. Additionally, the compounds can improve enzymatic protein deglycosylation without interfering with downstream sample preparation steps and mass spectrometric analysis. The compounds can be specifically useful as digestion aids that can be decomposed by an acid, by heat, or a combination thereof. Decomposition of the surfactants allows for facile separation from isolated samples, and/or allows for analysis of the sample without interfering with the sensitivity of various analytical techniques.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: April 21, 2020
    Assignee: Promega Corporation
    Inventors: Sergei Saveliev, Daniel Simpson, Keith V. Wood, Harry Tetsuo Uyeda, Carolyn Woodroofe Hitko, Dieter Klaubert
  • Publication number: 20180187127
    Abstract: The invention provides surfactant compounds of formulas I-IX, which can be used in methods for aiding the solubilization, digestion, preparation, analysis, and/or characterization of biological material, for example, proteins or cell membranes. The compounds can also aid in the recovery of peptides generated during protein digestion, particularly for in-gel digestion protocol. Additionally, the compounds can improve enzymatic protein deglycosylation without interfering with downstream sample preparation steps and mass spectrometric analysis. The compounds can be specifically useful as digestion aids that can be decomposed by an acid, by heat, or a combination thereof. Decomposition of the surfactants allows for facile separation from isolated samples, and/or allows for analysis of the sample without interfering with the sensitivity of various analytical techniques.
    Type: Application
    Filed: October 10, 2017
    Publication date: July 5, 2018
    Inventors: Sergei Saveliev, Daniel Simpson, Keith V. Wood, Harry Tetsuo Uyeda, Carolyn Woodroofe Hitko, Dieter Klaubert
  • Patent number: 9868977
    Abstract: Novel red-shifted luciferin derivatives and uses of those compounds are provided.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: January 16, 2018
    Assignee: PROMEGA CORPORATION
    Inventor: Carolyn Woodroofe Hitko
  • Patent number: 9816054
    Abstract: The invention provides surfactant compounds of formulas I-IX, which can be used in methods for aiding the solubilization, digestion, preparation, analysis, and/or characterization of biological material, for example, proteins or cell membranes. The compounds can also aid in the recovery of peptides generated during protein digestion, particularly for in-gel digestion protocol. Additionally, the compounds can improve enzymatic protein deglycosylation without interfering with downstream sample preparation steps and mass spectrometric analysis. The compounds can be specifically useful as digestion aids that can be decomposed by an acid, by heat, or a combination thereof. Decomposition of the surfactants allows for facile separation from isolated samples, and/or allows for analysis of the sample without interfering with the sensitivity of various analytical techniques.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: November 14, 2017
    Assignee: PROMEGA CORPORATION
    Inventors: Sergei Saveliev, Daniel Simpson, Keith V. Wood, Harry Tetsuo Uyeda, Carolyn Woodroofe Hitko, Dieter Klaubert
  • Publication number: 20170002396
    Abstract: Novel red-shifted luciferin derivatives and uses of those compounds are provided.
    Type: Application
    Filed: September 19, 2016
    Publication date: January 5, 2017
    Inventor: Carolyn Woodroofe Hitko
  • Patent number: 9447450
    Abstract: Novel red-shifted luciferin derivatives and uses of those compounds are provided.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: September 20, 2016
    Assignee: PROMEGA CORPORATION
    Inventor: Carolyn Woodroofe Hitko
  • Patent number: 8962266
    Abstract: The present invention provides compounds and methods for assaying activities of enzymes such as histone deacetylases and histone acetyltransferases. In some embodiments, the methods may be performed in one step. The compounds described herein features peptide-based compounds having at least one blocked lysine or arginine residue which are coupled to reporter moieties. The methods described herein involve reacting a compound described herein with an enzyme, such as a histone deacetylase enzyme or a histone acetyltransferase enzyme, and an endopeptidase that recognizes basic amino acids to release the reporter moiety which may be subsequently detected.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: February 24, 2015
    Assignee: Promega Corporation
    Inventors: Thomas Kirkland, Andrew L. Niles, Martha O'Brien, Carolyn Woodroofe Hitko
  • Publication number: 20140304842
    Abstract: Novel red-shifted luciferin derivatives and uses of those compounds are provided.
    Type: Application
    Filed: March 7, 2014
    Publication date: October 9, 2014
    Applicant: PROMEGA CORPORATION
    Inventor: Carolyn Woodroofe Hitko
  • Publication number: 20140099655
    Abstract: The present invention provides compounds and methods for assaying activities of enzymes such as histone deacetylases and histone acetyltransferases. In some embodiments, the methods may be performed in one step. The compounds described herein features peptide-based compounds having at least one blocked lysine or arginine residue which are coupled to reporter moieties. The methods described herein involve reacting a compound described herein with an enzyme, such as a histone deacetylase enzyme or a histone acetyltransferase enzyme, and an endopeptidase that recognizes basic amino acids to release the reporter moiety which may be subsequently detected.
    Type: Application
    Filed: November 26, 2013
    Publication date: April 10, 2014
    Applicant: Promega Corporation
    Inventors: Thomas Kirkland, Andrew L. Niles, Martha O'Brien, Carolyn Woodroofe Hitko
  • Patent number: 8632992
    Abstract: The present invention provides compounds and methods for assaying activities of enzymes such as histone deacetylases and histone acetyltransferases. In some embodiments, the methods may be performed in one step. The compounds described herein features peptide-based compounds having at least one blocked lysine or arginine residue which are coupled to reporter moieties. The methods described herein involve reacting a compound described herein with an enzyme, such as a histone deacetylase enzyme or a histone acetyltransferase enzyme, and an endopeptidase that recognizes basic amino acids to release the reporter moiety which may be subsequently detected.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: January 21, 2014
    Assignee: Promega Corporation
    Inventors: Thomas Kirkland, Andrew L. Niles, Carolyn Woodroofe Hitko
  • Publication number: 20120064554
    Abstract: The present invention provides compounds and methods for assaying activities of enzymes such as histone deacetylases and histone acetyltransferases. In some embodiments, the methods may be performed in one step. The compounds described herein features peptide-based compounds having at least one blocked lysine or arginine residue which are coupled to reporter moieties. The methods described herein involve reacting a compound described herein with an enzyme, such as a histone deacetylase enzyme or a histone acetyltransferase enzyme, and an endopeptidase that recognizes basic amino acids to release the reporter moiety which may be subsequently detected.
    Type: Application
    Filed: September 9, 2011
    Publication date: March 15, 2012
    Applicant: PROMEGA CORPORATION
    Inventors: Thomas Kirkland, Andrew L. Niles, Martha O'Brien, Carolyn Woodroofe Hitko