PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30596557-3 2019 In this study, magnetic endoglin aptamer (mEND) imaging nanoprobes based on mEND-modified magnetic carboxymethyl chitosan (CMCS) nanoparticles (denoted mEND-Fe3O4@CMCS) were developed. ferryl iron 157-162 endoglin Mus musculus 24-32