PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32857354-1 2021 Spin trapping with cyclic nitrones coupled to electron paramagnetic resonance (EPR) enables the detection and characterization of oxygen-derived free radicals, such as superoxide and hydroxyl radicals, in living cells. Superoxides 168-178 spindlin 1 Homo sapiens 0-4