PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6362479-6 1983 Electrophoresis on the mixed disulfide-polyacrylamide gel proved to be a rapid and sensitive technique to detect very small amounts of enzyme (approximately 0.02 fmol acetylcholinesterase) and should have wide application for detecting other enzymes that hydrolyze thiol substrates. polyacrylamide 39-53 acetylcholinesterase (Cartwright blood group) Homo sapiens 167-187