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Additional file 2. A. B. Sample A Ave C T. Sample B Ave C T. C. B/A Fold Change (log 2 ).
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Additional file 2 A B Sample A Ave CT Sample B Ave CT C B/A Fold Change (log2) Correlations between different real-time PCR instruments for the raw CT values and fold-change results between the two MAQC reference RNA samples analyzed on the Human Drug Metabolism RT2Profiler™ PCR array (APH-002). Five replicate arrays were run for each sample on each of the three instruments: ABI 7500 Real-Time PCR System or Stratagene Mx3000PTM using SuperArray’s RT2 SYBR Green/ROX qPCR Master Mix (Cat# PA-012), or BioRad iCycler iQTM using RT2 SYBR Green/Fluorescein qPCR Master Mix (Cat# PA-011). The average CT value for each assay is compared in panels A and B. The results show a high correlation across instruments at the level of measurement values. Panel C shows the cross-thermocycler comparison of fold change results obtained from these data.