PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33522808-1 2021 Gas-phase tetrapositively charged M(HMNTA)24+ (M = Zr, Hf, Th, and U) ions were generated via electrospray ionization of the M(ClO4)4 and N,N,N",N",N"",N""-hexamethylnitrilotriacetamide (HMNTA) mixtures in acetonitrile. perchlorate 127-131 gastrin Homo sapiens 0-3