PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29136869-0 2018 Facile synthesis of Fe3O4@PDA core-shell microspheres functionalized with various metal ions: A systematic comparison of commonly-used metal ions for IMAC enrichment. ferryl iron 20-25 C-C motif chemokine ligand 26 Homo sapiens 150-154 26092339-6 2015 Compared with Fe3O4@PD-Ti(4+) microspheres, the Fe3O4@PD-Nb(5+) microspheres exhibit superior selectivity to multi-phosphorylated peptides, and thus may be complementary to the conventional IMAC materials. ferryl iron 48-53 C-C motif chemokine ligand 26 Homo sapiens 190-194