PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 313396-4 1979 The amount of grafted protein, determined by the ninhydrin method, reveals that, at least, plasma proteins such as serum albumin and fibrinogen are grafted to the film surface in a monomolecular layer without undergoing a marked denaturation. Ninhydrin 49-58 fibrinogen beta chain Homo sapiens 133-143