Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Antigen Detection Kit (Colloidal Gold-Based) Key Advantages: â?¢Get result rapidly (10 min), suitable for large-scale screening. â?¢Easy to operate, no instrument needed. â?¢Detect virus directly, faster than PCR test â?¢High accuracy and good consistency with PCR test â?¢Room-temperature storage (4â??- 30â??) Production Description: The double antibody sandwich method is adopted in the product, and measurement is conducted in the form of solid-phase immune chromatography. The sample to be tested will diffuse upwards at the charging end under capillary action, and then SARS-CoV-2 antigen in the sample will combine with the antibody in the marker pad and form colloidal gold antibody-antigen complex; The complex continues to diffuse to the nitrocellulose membrane with the sample, and then blocked by T-line (test line) packed with antibody, and form colloidal gold labeled antibody-antigen-immune complex packed with antibody. The rest unblocked colloidal gold complex continues to move upwards, and combine with C-line (quality control line), indicating that the reaction is completed.