PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19772319-2 2009 Spin trapping with 5,5"-dimethylpyrroline 1-N-oxide (DMPO) gave a composite spectrum of a carbon-centered radical and the well-known DMPO-OH adduct. dmpo-oh 133-140 spindlin 1 Homo sapiens 0-4 2545706-5 1989 However, superoxide destroys the preformed hydroxyl radical spin-trapped adduct, 2,2-dimethyl-5-hydroxy-1-pyrrolidinyloxy (DMPO-OH), and DMPO-CH3. dmpo-oh 123-130 spindlin 1 Homo sapiens 60-64 7639532-2 1995 Although a weak signal corresponding to the DMPO-hydroxyl radical spin adduct (.DMPO-OH) is observed when peroxynitrite is allowed to decompose in the presence of DMPO, it is concluded that this does not constitute proof of the presence of free hydroxyl radicals. dmpo-oh 80-87 spindlin 1 Homo sapiens 66-70