COVID-19 Antibody Test Neutralizing Ab Rapid Test is use Lateral flow immunochromatographic assays for detection of SARS-COV-2 neutralizing antibody (NAb), which can be used to determine the immunity status after infection or vaccination.
PRINCIPLE
The SARS-CoV-2 Neutralizing Antibody Rapid Test (COVID-19 Ab) is for detection antibodies to SARS-CoV-2 or its vaccines. The cell surface receptor angiotensin converting enzyme-2 (ACE2) are coated in the test line region and the recombinant receptor-binding domain (RBD) conjugated with the indicate particles. During testing, if there are SARS-CoV-2 neutralizing antibodies in the specimen, it would react with the protein RBD-particle conjugate and not react with the pre-coated protein ACE2. The mixture then migrates upward on the membrane chromatographically by capillary action and would not captured by the pre-coated antigen.
The SARS-CoV-2 Neutralizing Antibody Rapid Test (COVID-19 Ab) contains protein RBD-coated particles. The protein ACE2 are coated in the test line region
Feature
A. Blood test: serum, plasma , whole blood and fingertip blood all are avaliable.
LIMITATIONS
1. The SARS-CoV-2 Neutralizing Antibody Rapid Test (COVID-19 Ab) is for in vitro diagnostic use only. This test should be used for the detection of neutralizing antibodies to SARS-CoV-2 or its vaccines in whole blood, serum, or plasma.
2. The SARS-CoV-2 Neutralizing Antibody Rapid Test (COVID-19 Ab) will only indicate the presence of neutralizing SARS-CoV-2 antibodies in the specimen and should not be used as the sole criterion for the antibody titer detection method.