title: Electron spin resonance studies of electron-irradiated peptides. A single crystal of N-acetyl-L-cysteine at 77 k.
mesh_terms: D003545:Cysteine / Q000031:analogs & derivatives / Q000528:radiation effects*; D004151:Dipeptides / Q000528:radiation effects*; D004578:Electron Spin Resonance Spectroscopy; D004583:Electrons; D005609:Free Radicals; D005615:Freezing; D011830:Radiation Effects
chemical_list: D004151:Dipeptides; D005609:Free Radicals; D003545:Cysteine