Fig. 2From: Use of dual priming oligonucleotide system-based multiplex RT-PCR assay to detect five diarrhea viruses in pig herds in South ChinaOptimization of the DPO system-based multiplex RT-PCR primer concentration. Lanes 1–8 represent the 8 primer concentrations 0.025 μM, 0.05 μM, 0.1 μM, 0.2 μM, 0.3 μM, 0.4 μM, 0.5 μM, and 0.6 μM; lane 9 represents negative control (N)Back to article page