Abstract

Described here is a novel, universal exogenous internal positive control (IPC), which is fully synthetic for unparalleled quality control. The IPC was rationally designed, is small and efficiently amplified, has been successfully utilized alone or in triplex qPCR reactions, and is not crossreactive to human DNA or to any of the numerous non-human DNA samples tested.It was sensitive to inhibition by at least four commonly encountered amplification inhibitors. The IPC was used in a hydrolysis probe qPCR assay; however, it may be adaptable for other applications such as intercalating dye qPCR, PCR, isothermal amplification and reverse transcription-PCR.

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