title: Involvement of singlet oxygen in biochemical systems.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D006861:Hydrogen Peroxide; D010100:Oxygen / Q000502:physiology*; D010782:Photolysis; D013481:Superoxides; D013997:Time Factors; D014364:Tryptophan / Q000528:radiation effects; D014466:Ultraviolet Rays; D014965:X-Rays
chemical_list: D013481:Superoxides; D014364:Tryptophan; D006861:Hydrogen Peroxide; D010100:Oxygen