PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23680234-7 2013 Lastly, by combining the TACs/Sep NK cell isolation method with calcein-acetoxymethyl diacetylester (calcein-AM) release, the time required to assess in vitro cytotoxicity was reduced by 33% (4h) compared to protocols employing DG/MACS and chromium release. calcein AM 101-111 Ras and Rab interactor 2 Homo sapiens 231-235