Patents by Inventor Johannes Dapprich

Johannes Dapprich 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: 20240026421
    Abstract: The invention relates to methods for capturing a polynucleotide comprising a DNA target segment from a population of polynucleotide molecules. The method may use a mixture comprising the population of the polynucleotide molecules, one or more polynucleotide primers, nucleotides, biotinylated nucleotides, a polymerase enzyme and a buffered liquid medium. The method may denature the polynucleotide molecules in the mixture so as to create single stranded portions of the polynucleotide molecules which can be accessible to the polynucleotide primers; hybridizing the polynucleotide primers to the polynucleotide comprising the DNA target segment. The method may create an extended polynucleotide primer by using the nucleotides, the biotinylated nucleotides and the polymerase enzyme as a means for labeling with biotin and increasing the extent of hybridization of the extended polynucleotide primer to the polynucleotide comprising the DNA target segment.
    Type: Application
    Filed: July 11, 2023
    Publication date: January 25, 2024
    Applicant: Generation Biotech, LLC
    Inventors: Johannes Dapprich, Karl P. Dresdner, Jr., Richard R. McKay
  • Patent number: 11821023
    Abstract: The invention relates to methods for capturing a polynucleotide comprising a DNA target segment from a population of polynucleotide molecules using a rotation of a magnetic field to move streptavidin-labeled magnetic beads relative to a buffered liquid medium to increase the probability of capturing and preventing damage to a long polynucleotide comprising a DNA target segment. The methods may use a rotation of the magnetic field relative to the mixture or a rotation of the mixture relative to the magnetic field for causing magnetic bead rotation in the buffered liquid medium and increasing the binding of biotinylated nucleotides of an extended polynucleotide primer to streptavidin-labeled magnetic beads, and winding or condensation of a polynucleotide onto the streptavidin-labeled magnetic beads to prevent damage to the long polynucleotide comprising a DNA target segment.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: November 21, 2023
    Assignee: GENERATION BIOTECH, LLC
    Inventors: Johannes Dapprich, Karl P. Dresdner, Jr., Richard R. McKay
  • Publication number: 20230347161
    Abstract: Composition and method of regenerating a nerve fiber in a damaged neural tissue of a patient, the method includes: administering an aqueous formulation comprising magnetic particles to the damaged neural tissue in the patient; applying a magnetic field in an orientation which is parallel to the nerve fiber; using the magnetic field for aligning the magnetic particles; forming one or more aligned chains of the magnetic particles in the magnetic field as a scaffold to guide directional growth of regenerating nerve cells; and reconnecting damaged nerve ends in the damaged neural tissue of the patient.
    Type: Application
    Filed: January 18, 2023
    Publication date: November 2, 2023
    Inventor: Johannes Dapprich
  • Publication number: 20220054852
    Abstract: The invention generally relates to a method of regenerating a nerve fiber in a damaged neural tissue of a patient, the method comprising the steps of: administering an aqueous formulation comprising superparamagnetic particles to the damaged neural tissue in the patient; applying a magnetic field in an orientation which is parallel to the nerve fiber; using the magnetic field for aligning the superparamagnetic particles; forming one or more aligned chains of the superparamagnetic particles in the magnetic field as a scaffold to guide directional growth of regenerating nerve cells; and reconnecting damaged nerve ends in the damaged neural tissue of the patient.
    Type: Application
    Filed: June 25, 2021
    Publication date: February 24, 2022
    Inventors: Johannes Dapprich, Karl P. Dresdner
  • Publication number: 20210297252
    Abstract: The invention relates to rapid cryptography methods and devices for secure data access. A private key is temporarily created for a cryptography use on a computer for decrypting a document. A device comprising a second data matrix, which is external to the computer, is read by the computer, which processes the second data matrix using a first data matrix already present on the computer. Then, the first data matrix provides the means for stepping through the second data matrix to create a private key. Next, the private key is erased immediately after the private key is created and used in a cryptography process for accessing secure data. The first and second data matrices are hidden by the user, and the private key is not stored, but instead is temporarily re-created as needed only for rapidly accessing secure data.
    Type: Application
    Filed: March 18, 2021
    Publication date: September 23, 2021
    Applicant: Princeton Biocode Inc.
    Inventors: D.C. Licciardello, Robert H. Austin, Johannes Dapprich, Paul Lewis, Glenn Paul
  • Patent number: 11083907
    Abstract: The invention generally relates to a method of regenerating a nerve fiber in a damaged neural tissue of a patient, the method comprising the steps of: administering an aqueous formulation comprising superparamagnetic particles to the damaged neural tissue in the patient; applying a magnetic field in an orientation which is parallel to the nerve fiber; using the magnetic field for aligning the superparamagnetic particles; forming one or more aligned chains of the superparamagnetic particles in the magnetic field as a scaffold to guide directional growth of regenerating nerve cells; and reconnecting damaged nerve ends in the damaged neural tissue of the patient.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: August 10, 2021
    Assignee: NEUROPAIR, INC.
    Inventors: Johannes Dapprich, Karl P Dresdner, Jr.
  • Publication number: 20200080130
    Abstract: The invention relates to methods for capturing a polynucleotide comprising a DNA target segment from a population of polynucleotide molecules. The method may use a mixture comprising the population of the polynucleotide molecules, one or more polynucleotide primers, nucleotides, biotinylated nucleotides, a polymerase enzyme and a buffered liquid medium. The method may denature the polynucleotide molecules in the mixture so as to create single stranded portions of the polynucleotide molecules which can be accessible to the polynucleotide primers; hybridizing the polynucleotide primers to the polynucleotide comprising the DNA target segment. The method may create an extended polynucleotide primer by using the nucleotides, the biotinylated nucleotides and the polymerase enzyme as a means for labeling with biotin and increasing the extent of hybridization of the extended polynucleotide primer to the polynucleotide comprising the DNA target segment.
    Type: Application
    Filed: May 29, 2019
    Publication date: March 12, 2020
    Applicant: Generation Biotech, LLC
    Inventors: Johannes Dapprich, Karl P. Dresdner, JR., Richard R. McKay
  • Publication number: 20180064951
    Abstract: The invention generally relates to a method of regenerating a nerve fiber in a damaged neural tissue of a patient, the method comprising the steps of: administering an aqueous formulation comprising superparamagnetic particles to the damaged neural tissue in the patient; applying a magnetic field in an orientation which is parallel to the nerve fiber; using the magnetic field for aligning the superparamagnetic particles; forming one or more aligned chains of the superparamagnetic particles in the magnetic field as a scaffold to guide directional growth of regenerating nerve cells; and reconnecting damaged nerve ends in the damaged neural tissue of the patient.
    Type: Application
    Filed: August 1, 2017
    Publication date: March 8, 2018
    Inventors: Johannes Dapprich, Ryan Gilbert, Karl P. Dresdner, JR., Christopher Johnson
  • Patent number: 9103827
    Abstract: An automated protein preparation technology that may use magnetic microparticles to isolate proteins in their native state from specific genomic loci of interest via the chromatin to which they are bound is described. After extraction, the targeted proteins may be purified for downstream analysis by quantitative mass spectrometry or ELISA. The identification of DNA-bound proteins, histones and their post-translational modification is of high scientific and pharmaceutical importance due to the role of DNA-binding proteins in the cauzation and development of human disease; in particular, cancer.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: August 11, 2015
    Assignees: The Trustees of Princeton University, Generation Biotech
    Inventors: Johannes Dapprich, Benjamin Garcia, Gary Leroy
  • Publication number: 20140024052
    Abstract: An automated protein preparation technology that may use magnetic microparticles to isolate proteins in their native state from specific genomic loci of interest via the chromatin to which they are bound is described. After extraction, the targeted proteins may be purified for down-stream analysis by quantitative mass spectrometry or ELISA. The identification of DNA-bound proteins, histones and their post-translational modification is of high scientific and pharmaceutical importance due to the role of DNA-binding proteins in the causation and development of human disease; in particular, cancer.
    Type: Application
    Filed: November 10, 2011
    Publication date: January 23, 2014
    Applicants: THE TRUSTEES OF PRINCETON UNIVERSITY
    Inventors: Johannes Dapprich, Benjamin Garcia, Gary Leroy
  • Publication number: 20130197296
    Abstract: A minimally invasive method to eliminate circulating agents from an organism to prevent and treat diseases is disclosed. The method utilizes immunomagnetic methods to concentrate and localize disease-associated agents in a small region of the body. Subsequently, the complexes are removed from the body. Removal of disease-causing or disease-promoting agents (circulating tumor cells, bacteria, viruses and virus-infected cells, certain immune cells) would add a significant new option for intervention of disease progression and supplement other therapeutic options.
    Type: Application
    Filed: January 14, 2013
    Publication date: August 1, 2013
    Inventors: Karl-Heinz Ott, Johannes Dapprich
  • Patent number: 8465925
    Abstract: The present invention provides methods and compositions for sequence-specific isolation of polynucleotide molecules from nucleic acid populations and subsequent amplification of isolated polynucleotide molecules or fragments thereof.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: June 18, 2013
    Assignees: Generation Biotech, LLC, GenoVision Inc., QIAGEN GmbH
    Inventors: Johannes Dapprich, Nancy Murphy, Christian Korfhage
  • Publication number: 20090263798
    Abstract: The invention is directed to methods to identify the location in a genome of a nonfixed or multicopy genomic element using microarrays or sequencing.
    Type: Application
    Filed: May 14, 2007
    Publication date: October 22, 2009
    Applicants: Generation Biotech, LLC, Rutgers, the State University, Princeton University
    Inventors: Johannes Dapprich, Abram Gabriel, Maitreya Dunham
  • Publication number: 20090047674
    Abstract: The present invention provides methods and compositions for sequence-specific isolation of polynucleotide molecules from nucleic acid populations and subsequent amplification of isolated polynucleotide molecules or fragments thereof.
    Type: Application
    Filed: April 4, 2008
    Publication date: February 19, 2009
    Applicants: Generation Biotech, LLC, GenoVision Inc., QIAGEN GmbH
    Inventors: Johannes Dapprich, Nancy Murphy, Christian Korfhage
  • Publication number: 20080090733
    Abstract: Provided are methods for selectively identifying and isolating nucleic acids in a population of nucleic acid molecules.
    Type: Application
    Filed: March 13, 2007
    Publication date: April 17, 2008
    Applicants: Generation Biotech, LLC, Trustees of Princeton University
    Inventors: Johannes Dapprich, Michele Cleary
  • Publication number: 20060040300
    Abstract: The present invention provides methods and compositions for sequence-specific isolation of polynucleotide molecules from nucleic acid populations and subsequent amplification of isolated polynucleotide molecules or fragments thereof.
    Type: Application
    Filed: August 9, 2005
    Publication date: February 23, 2006
    Applicants: Generation Biotech, LLC, GenoVision Inc., QIAGEN GmbH
    Inventors: Johannes Dapprich, Nancy Murphy, Christian Korfhage
  • Patent number: 6720143
    Abstract: A genetic analysis device particularly for determining the presence or absence of Single Nucleotide Polymorphisms (SNPs) within specific sequences of DNA. The device includes a housing, at least one glass slide member, and an elastomeric member with channels thereon. Oligo arrays are spotted on the glass slide member(s) and subjected to DNA samples, reagents or the like. A plurality of openings or ports allow entry of samples, reagents or wash materials, while a plurality of exit ports or openings allow removal of such materials. The assay devices can be used for multiple samples or a single sample. A plurality of synthesis devices can be positioned in a support base in order to allow sampling in an automated manner. The synthesis devices can be provided in a 96 well microtiter format.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: April 13, 2004
    Assignee: Orchid BioSciences, Inc.
    Inventors: Robert D. Juncosa, Rene Bongard, Johannes Dapprich, Richard Scribner
  • Patent number: 6585939
    Abstract: The present invention relates to microstructures which a fabricated from a cast or molded polymer material, such as polydimethylsiloxane (PDMS). The invention describes and claims methods and compositions from which a variety of microstructures may be prepared. The microstructures are particularly useful for use in assays and reactions in the relating to biological assays, including applications in medical diagnostics. Such assays and reactions included, but are by no means limited to, polynucleotide sequencing and polynucleotides analysis, including analysis of single nucleotide polymorphisms, and for polynucleotide amplification such as PCR. The microstructures of the invention may contain many features that are useful for such applications. For example, the microstructures may comprise wells or channels for biological fluids and/or reagents, as well as pumps and valves for directing such fluids, e.g., in a biological assay.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: July 1, 2003
    Assignee: Orchid BioSciences, Inc.
    Inventor: Johannes Dapprich
  • Publication number: 20010051113
    Abstract: A genetic analysis device particularly for determining the presence or absence of Single Nucleotide Polymorphisms (SNPs) within specific sequences of DNA. The device includes a housing, at least one glass slide member, and an elastomeric member with channels thereon. Oligo arrays are spotted on the glass slide member(s) and subjected to DNA samples, reagents or the like. A plurality of openings or ports allow entry of samples, reagents or wash materials, while a plurality of exit ports or openings allow removal of such materials. The assay devices can be used for multiple samples or a single sample. A plurality of synthesis devices can be positioned in a support base in order to allow sampling in an automated manner. The synthesis devices can be provided in a 96 well microtiter format.
    Type: Application
    Filed: April 27, 2001
    Publication date: December 13, 2001
    Applicant: Orchid Biosciences, Inc
    Inventors: Robert D. Juncosa, Rene Bongard, Johannes Dapprich, Richard Scribner
  • Publication number: 20010031467
    Abstract: Provided are methods for selectively identifying and isolating nucleic acids in a population of nucleic acid molecules.
    Type: Application
    Filed: December 11, 2000
    Publication date: October 18, 2001
    Inventors: Johannes Dapprich, Michele A. Cleary