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SARS-Cov-2 Antigen Test Kit (Colloidal Gold Method)

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SARS-Cov-2 Antigen Test Kit (Colloidal Gold Method)
SARS-Cov-2 Antigen Test Kit (Colloidal Gold Method)
Product Description

Test Principle

The kit is immunochromatographic and uses double-antibody sandwich method to detect sars-cov-2 antigen. During detection, the treated samples are loaded into the sample wells of the test card. When the concentration of sars-cov-2 antigen in specimen is higher than the minimum detection limit, the viral antigen will form complexes with labeled antibodies first. Under chromatography, the complexes move forward along the nitrocellulose membrane till captured by pre-coated monoclonal antibody of sars-cov-2 in detection zone on nitrocellulose film (t) to form a pink/purple reaction line on the detection zone, at this point the result is positive; conversely, if there is no viral antigen or the concentration o antigen in specimen is below the minimum detection limit, no pink/purple reaction line appears in the detection zone, at this point the result is negative. Regardless of whether the sample contains viral antigens or not, a pink/purple reaction line will appear in the quality control zone (c), the pink/purple reaction line that appears in the quality control zone (c) is the criterion for determining if the chromatography process is normal.

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