A method of detection of nucleic acid (DNA or RNA) target sequence in which such a sequence serves as a cofactor for a catalytic reaction in which a complementary, labeled nucleic acid probe is cleaved such that the target sequence is released intact and can repeatedly recycle through the reaction pathway,...http://www.google.com/patents/US5403711?utm_source=gb-gplus-sharePatent US5403711 - Nucleic acid hybridization and amplification method for detection of specific sequences in which a complementary labeled nucleic acid probe is cleaved
