DNA diagnostics based on mass spectrometry

{
  "publication_number": "US6235478B1",
  "country": "US",
  "kind": "B1",
  "title": "DNA diagnostics based on mass spectrometry",
  "abstract": "Fast and highly accurate mass spectrometry-based processes for detecting particular nucleic acid molecules and sequences in the molecules are provided. Depending upon the sequence to be detected, the processes, for example, can be used to diagnose a genetic disease or a chromosomal abnormality, a predisposition to a disease or condition, or infection by a pathogen, or for determining identity or heredity.",
  "claims": [
    "1. A process for detecting the presence of a target nucleic acid sequence in a biological sample, comprising the steps of: a) hybridizing a detector oligonucleotide, which can hybridize with a target nucleic acid sequence, with a nucleic acid molecule comprising the target nucleic acid sequence; b) removing unhybridized detector oligonucleotide; and c) detecting a hybridized detector oligonucleotide by mass spectrometry, thereby detecting the presence of the target nucleic acid sequence in the biological sample.",
    "2. The process of claim 1, wherein prior to step a), the target nucleic acid sequence is amplified.",
    "3. The process of claim 1, wherein the mass spectrometry format is selected from the group consisting of: Matrix-Assisted Laser Desorption/Ionization Time-of-Flight (MALDI-TOF), Electrospray (ES), Ion Cyclotron Resonance (ICR), and Fourier Transform.",
    "4. The process of claim 1 wherein the target nucleic acid sequence is indicative of a disease or condition selected from the group consisting of a genetic disease, a chromosomal abnormality, a genetic predisposition, a viral infection, a fungal infection and a bacterial infection."
  ],
  "cpc": [
    "C12Q 1/6872",
    "C12Q 1/6816",
    "C12Q 1/6827",
    "C12Q 1/6837",
    "C12Q 1/6858",
    "C12Q 1/686",
    "C12Q 1/6862",
    "C12Q 1/6883",
    "C12Q 1/706",
    "G01N 35/1067",
    "H01J 49/00",
    "Y10T 436/143333",
    "Y10T 436/24"
  ],
  "assignees": [
    "SEQUENOM INC"
  ],
  "filing_date": "1999-04-06",
  "publication_date": "2001-05-22",
  "grant_date": "2001-05-22",
  "priority_date": "1995-03-17",
  "application_number": "US-28768299-A",
  "family_id": "23606950",
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