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Impact of Smoothing on Parameter Estimation in Quantitative DNA Amplification Experiments
Author(s) -
AndrejNikolai Spiess,
Claudia Deutschmann,
Michał Burdukiewicz,
Ralf Himmelreich,
Katharina Klat,
Peter Schierack,
Stefan Rödiger
Publication year - 2014
Publication title -
clinical chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.705
H-Index - 218
eISSN - 1530-8561
pISSN - 0009-9147
DOI - 10.1373/clinchem.2014.230656
Subject(s) - smoothing , replicate , computer science , digital polymerase chain reaction , algorithm , sensitivity (control systems) , preprocessor , filter (signal processing) , selection (genetic algorithm) , noise (video) , statistics , data mining , mathematics , artificial intelligence , biology , polymerase chain reaction , engineering , genetics , electronic engineering , image (mathematics) , computer vision , gene
Quantification cycle (Cq) and amplification efficiency (AE) are parameters mathematically extracted from raw data to characterize quantitative PCR (qPCR) reactions and quantify the copy number in a sample. Little attention has been paid to the effects of preprocessing and the use of smoothing or filtering approaches to compensate for noisy data. Existing algorithms largely are taken for granted, and it is unclear which of the various methods is most informative. We investigated the effect of smoothing and filtering algorithms on amplification curve data.

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