Fig. 3From: Detection of pathogenic Escherichia coli on potentially contaminated beef carcasses using cassette PCR and conventional PCRQuadruple PCRs performed in gel capillaries and in conventional PCR on three carcass swab samples. a Melt peaks of R1, R2 and R3 and (b) agarose gel image showing the ladder and the bands for PCR products. The ladder is GeneRuler 1 kb Plus DNA ladder (Themo Scientific)Back to article page