Additional file 5.
Supplemental Figure S2. SPUD assay for the detection of enzymatic inhibitors in purified pre-amplified samples (P) and in non-purified pre-amplified samples (NP) with negative control (NC) and positives controls with known inhibitor (PC). Difference in Cq or delta-Cq (dCq) (NP or P vs. NC) < 1 indicates absence of enzymatic inhibitors.
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Vermeulen et al. BMC Research Notes 2009 2:235 doi:10.1186/1756-0500-2-235