Fig. 4From: Establishment of a recombinase polymerase amplification (RPA) fluorescence assay for the detection of swine acute diarrhea syndrome coronavirus (SADS-CoV)A Probit regression analysis using the data from the eight runs. The detection limit at 95% probability (95 molecules) is depicted by a triangle. B Semi-logarithmic regression between the Tt values and standard concentrations by GraphPad Prism 7.0Back to article page