Fig. 6From: Isothermal diagnostic assays for the detection of soil-transmitted helminths based on the SmartAmp2 methodColourimetric assay for detection of STHs using hydroxy napthol blue (HNB). Colourimetric results of SmartAmp2 assay using N. americanus primer set on genomic DNA from N. americanus (positive, sky blue), A. lumbricoides, T. trichiura and negative control (negative, violet)Back to article page