Additional file 2.

Figure S1. Scatter Plot of A260/A280 and A260/A230 Ratios as a Function of a Control DNA (SRM 2372) Concentration. The experiments were executed on two separate days, A and B: with single (4 runs each) and triple (4 runs each) replicates respectively. The data point shape indicates day A, ●, B, ▲. The red vertical lines indicate the DNA concentration cutoff used for analysis of the DNA extract purity at 17.5 ng/μL.

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Olson and Morrow BMC Research Notes 2012 5:668   doi:10.1186/1756-0500-5-668