10/19/2005 5:12:16 PM
CAMARILLO, Calif.--(BUSINESS WIRE)--Jan. 13, 2005--BioSource International, Inc. today announced that it was issued U.S. Patent No. 6,818,420, "Methods of Using Fluorescent Energy Transfer (FET) Labeled Oligonucleotides that includes a 3'-5' Exonuclease Resistant Quencher Domain and Compositions for Practicing the Same," by the U.S. Patent and Trademark Office. The methods and compositions claimed in this patent are useful in molecular diagnostics such as molecular techniques that employ a primer extension reaction in the presence of a polymerase having 3'-5' exonuclease activity and at least one FET-labeled oligonucleotide probe that includes a 3'-5' exonuclease resistant quencher domain.
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