title: Photooxidation of 3,4-dihydroxyphenylalanine by hematoporphyrin in aqueous solutions: an electron spin resonance study using 2,2,6,6-tetramethyl-4-piperidone-1-oxyl (TEMPONE).
mesh_terms: D003497:Cyclic N-Oxides; D004295:Dihydroxyphenylalanine; D004578:Electron Spin Resonance Spectroscopy; D006415:Hematoporphyrins; D010084:Oxidation-Reduction; D010777:Photochemistry; D013113:Spin Labels
chemical_list: D003497:Cyclic N-Oxides; D006415:Hematoporphyrins; D013113:Spin Labels; D004295:Dihydroxyphenylalanine; C003959:TEMPO