Patents by Inventor Mark A. Doll

Mark A. Doll 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: 20230265410
    Abstract: Described herein are cell lines, systems, kits, and methods for determining the specificity and potency of inhibitors for human ceramidase inside the cell and in a test tube.
    Type: Application
    Filed: February 1, 2023
    Publication date: August 24, 2023
    Inventors: Mark A. Doll, Leah Siskind
  • Patent number: 5777098
    Abstract: A process and apparatus for purifying DNA which has relatively high molecular weight from a biological sample containing DNA is described. The method comprises the steps (1) lysing the red blood cells in the sample; 2) lysing DNA-containing cells; (3) precipitating the proteins from sample; and (4) and rehydrating and recovering the DNA. method offers the advantages of performance in less than 15 minutes, not requiring organic or poisonous materials, compatibility with most anticoagulants, and requiring less solutions than conventional purification procedures, thus making it simpler and more economical to use.
    Type: Grant
    Filed: July 23, 1996
    Date of Patent: July 7, 1998
    Assignee: University of North Dakota Medical Education Research Foundation
    Inventors: Thomas Kevin Gray, Mark A. Doll