PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26221615-0 2015 Branched Polyethylenimine-Superparamagnetic Iron Oxide Nanoparticles (bPEI-SPIONs) Improve the Immunogenicity of Tumor Antigens and Enhance Th1 Polarization of Dendritic Cells. ferric oxide 44-54 negative elongation factor complex member C/D Homo sapiens 140-143