title: Superoxide formation in spinach chloroplasts: electron spin resonance detection by spin trapping.
mesh_terms: D002736:Chloroplasts / Q000378:metabolism*; D003497:Cyclic N-Oxides; D004578:Electron Spin Resonance Spectroscopy; D010100:Oxygen / Q000378:metabolism*; D010269:Paraquat; D010944:Plants; D011758:Pyrroles; D013113:Spin Labels; D013481:Superoxides / Q000378:metabolism*
chemical_list: D003497:Cyclic N-Oxides; D011758:Pyrroles; D013113:Spin Labels; D013481:Superoxides; D010269:Paraquat; D010100:Oxygen