PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34048512-2 2021 This paper describes the fabrication of an MMP-1 immunosensor based on a gold nanoparticle/polyethyleneimine/reduced graphene oxide (AuNP/PEI/rGO)-modified disposable screen-printed electrode (SPE). rgo 142-145 matrix metallopeptidase 1 Homo sapiens 43-48