Assertion: antigen's site | /r/HasProperty | maintained in the tissue
Facets:
Source sentences:
text: For example, some antibodies are ineffective in western blot but very good in immunohistochemistry because in the latter procedure, a complex antigenic site might be maintained in the tissue, whereas in the former procedure the process of sample preparation alters the protein conformation sufficiently to destroy the antigenic site and hence eliminate antibody binding.