... Multiple independent clinical studies including WHO, Geneva One Step HBVs Test ProfileRapid, Visual Chromatographic Assay for Detection of HBsAg, HBsAb, ... HBeAg, HBeAb, HBcAb, HBc-IgMSummary:One Step HBsAg Test is a colloidal gold enhanced immunoassay that detects hepatitis B ... formed, indicating a negative result. The mixture continues to flow to the control area of the membrane, where it forms ...