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期刊论文

Detection of Hepatitis B Virus DNA by Duplex ScorpionPrimer-based PCR Assay†

宓怀风KONG De-Ming*ab SHEN Han-Xi b MI Huai-Feng a

Chinese Journal of Chemistry, 2004, 22, 903~907,-0001,():

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摘要/描述

The application of a new fluorogenic probe-based PCR assay (PCR duplex scorpion primer assay) to the detectionof Hepatitis B virus (HBV) DNA in human sera was described. Duplex scorpion primer is a modified variant ofduplex Amplifluor, and the incorporation of a PCR stopper between probe and primer sequences improve the detectionspecificity and sensitivity. Combined with PCR amplification, this probe can give unambiguous positive resultsfor the reactions initiated with more than 20 HBV molecules. In addition, the particular unimolecular probingmechanism of this probe makes the use of short target-specific probe sequence possible, which will render thisprobe applicable in some specific systems.

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