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Nucleic Acids Res. 2003 Oct 15;31(20):e122.

Standardized determination of real-time PCR efficiency from a single reaction set-up.

Author information

  • 1Institute of Physiology, FML-Weihenstephan, Center of Life and Food Science, Technical University of Munich, Germany.

Erratum in

  • Nucleic Acids Res. 2003 Nov 15;31(22):6688.

Abstract

We propose a computing method for the estimation of real-time PCR amplification efficiency. It is based on a statistic delimitation of the beginning of exponentially behaving observations in real-time PCR kinetics. PCR ground fluorescence phase, non-exponential and plateau phase were excluded from the calculation process by separate mathematical algorithms. We validated the method on experimental data on multiple targets obtained on the LightCycler platform. The developed method yields results of higher accuracy than the currently used method of serial dilutions for amplification efficiency estimation. The single reaction set-up estimation is sensitive to differences in starting concentrations of the target sequence in samples. Furthermore, it resists the subjective influence of researchers, and the estimation can therefore be fully instrumentalized.

PMID:
14530455
[PubMed - indexed for MEDLINE]
PMCID:
PMC219490
Free PMC Article

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