Synthesis and evaluation of a new non-fluorescent quencher in fluorogenic oligonucleotide probes for real-time PCR
Organic & Biomolecular Chemistry Pub Date: 2005-07-07 DOI: 10.1039/B504759E
Abstract
A non-fluorescent quencher, based on the diaminoanthraquinone Disperse Blue 3, has been incorporated into oligonucleotides at the 5′-end, the 3′-end and internally as a thymidine derivative. Fluorimetry and fluorogenic real-time PCR experiments demonstrate that the quencher is effective with a wide range of fluorescent dyes. The anthraquinone moiety increases the melting temperature of DNA duplexes, thus allowing shorter, more discriminatory probes to be used. The quencher has been used in Scorpion primers and TaqMan ? probes for human DNA sequence recognition and mutation detection.
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Journal Name：Organic & Biomolecular Chemistry
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CAS no.: 89640-58-4
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