What is the principle of the NAB-Sure™ SARS-CoV-2 assay?

The NAB-Sure™ SARS-CoV-2 assay is a competitive binding assay that uses Spear Bio technology. It is a surrogate virus neutralization test (sVNT), which measures the ability of antibodies in a sample to block SARS-CoV-2 Spike Protein from binding to the ACE2 receptor protein in solution. The assay is accurate, and highly sensitive and compares favorably with existing neutralizing antibody assays.

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