Assertion: antibody | /r/HasProperty | competition
Facets:
Source sentences:
text: (The more antigen in the sample, the more Ag-Ab complexes are formed and so there are less unbound antibodies available to bind to the antigen in the well, hence "competition".)
text: Three main serological assays have been explored to validate immunogenicity of the current HPV vaccines in clinical trials and further monitoring the L1 VLP antibody responses in observational studies: antibody competition assays, L1 and L1-VLP-IgG binding assays and pseudovirion-based neutralization assays (PBNA), the latter of which should be considered the reference standard for assessing protective antibody responses induced by the vaccines, as it measures a pertinent biological antibody