期刊
PROTEOMICS
卷 11, 期 12, 页码 2565-2567出版社
WILEY
DOI: 10.1002/pmic.201100033
关键词
Bioinformatics; Biological replicates; LC-MS/MS; Power analysis; Quantification; Statistical power
Designing an experiment for quantitative proteomic analysis is not a trivial task. One of the key factors influencing the success of such studies is the number of biological replicates included in the analysis. This, along with the measured variation will determine the statistical power of the analysis. Presented is a simple yet powerful analysis to determine the appropriate sample size required for reliable and reproducible results, based on the total variation (technical and biological). This approach can also be applied retrospectively for the interpretation of results as it takes into account both significance (p value) and quantitative difference (fold change) of the results.
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