title: Hydrogen-addition radicals formed in the aromatic rings of amino acids, polyamino acids, and proteins.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D006859:Hydrogen; D011506:Proteins / Q000032:analysis*
chemical_list: D000596:Amino Acids; D005609:Free Radicals; D011506:Proteins; D006859:Hydrogen