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. 2020 Jan 15;12(1):100. doi: 10.3390/v12010100

Figure 2.

Figure 2

Amplification plots and standard curves of the singleplex and multiplex realtime-qPCR assays using target-specific plasmid DNA. Comparison of the singleplex (A,C,E) and multiplex (B,D,F) realtime-qPCR assays was performed using standard plasmids corresponding to H5 HPAI and clades 2.3.4.4 and 2.3.2.1; each plasmid solution was serially diluted down to 5 × 108 to 5 × 100 copies of plasmid DNA/microliter. The cycle threshold in amplification plots, correlation coefficient (R2) and slope of the standard curve for the assays were drawn automatically by Lightcycler 96 software. Each concentration had triple replicates.