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. 2014 Mar 24;9(3):e92801. doi: 10.1371/journal.pone.0092801

Figure 2. An example of a standard curve for the IGF1 MSIA.

Figure 2

Plotted are the peak area ratios of IGF1/LR3-IGF1 over the standards concentrations. Solid line: linear fit with R2 = 0.99, SEE =  0.69. Dotted lines: 95% prediction intervals. The average r2 for the twelve standard curves was 0.98 and the range was 0.97–0.99.