Assertion: secondary antibody | /r/HasProperty | directed against the primary
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Often secondary antibodies directed against the primary, target antigen-binding antibody are used to amplify the effect  .
text: Often secondary antibodies directed against the primary, target antigen-binding antibody are used to amplify the effect .
text: Its name derives from the fact that it directly tests the presence of an antigen with the tagged antibody, unlike western blotting, which uses an indirect method of detection, where the primary antibody binds the target antigen, with a secondary antibody directed against the primary, and a tag attached to the secondary antibody.
text: Its name derives from the fact that it directly tests the presence of an antigen with the tagged antibody, unlike western blotting, which uses an indirect method of detection, where the primary antibody binds the target antigen, with a secondary antibody directed against the primary, and a tag attached to the secondary antibody.