PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33791142-1 2021 A fast method based on Fe3O4 magnetic nanoparticles (Fe3O4 MNPs) modified QuEChERS integrated to dispersive liquid-liquid microextraction (DLLME) coupled with gas chromatography-mass spectrometry was established for the determination of 8 organochlorine pesticides (OCPs) in green leafy vegetables. ferryl iron 23-28 gastrin Homo sapiens 159-162