title: Letter: Radical reactions and thermoluminescence in L-histidine and 5-nitro-uracil.
mesh_terms: D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D005615:Freezing; D006639:Histidine / Q000528:radiation effects*; D008163:Luminescent Measurements; D011830:Radiation Effects; D014498:Uracil / Q000031:analogs & derivatives / Q000528:radiation effects*; D014965:X-Rays
chemical_list: D005609:Free Radicals; D006639:Histidine; D014498:Uracil