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  • A nucleic acid hybridization assay employing an immobilized or immobilizable polynucleotide probe selected to form DNA.RNA or RNA.RNA hybrids with the particular polynucleotide sequence to be determined. (google.ca)
  • By labeling such complementary probe nucleic acids with some readily detectable chemical group, it was then made possible to detect the presence of any polynucleotide sequence of interest in a test medium containing sample nucleic acids in single stranded form. (google.ca)