title: Photoinduced free radicals of visual pigments in solutions mobile at--196 degrees C.
mesh_terms: D000473:Alkanes; D003080:Cold Temperature; D003460:Crystallization; D004578:Electron Spin Resonance Spectroscopy; D004579:Electron Transport; D004987:Ethers; D008027:Light; D000432:Methanol; D009584:Nitrogen; D010578:Petroleum; D010714:Phosphatidylethanolamines / Q000032:analysis; D010775:Photic Stimulation; D010777:Photochemistry; D010782:Photolysis; D012168:Retinal Pigments / Q000032:analysis*; D012545:Schiff Bases; D012996:Solutions; D012997:Solvents; D013053:Spectrophotometry; D013696:Temperature; D013997:Time Factors
chemical_list: D000473:Alkanes; D004987:Ethers; D010578:Petroleum; D010714:Phosphatidylethanolamines; D012168:Retinal Pigments; D012545:Schiff Bases; D012996:Solutions; D012997:Solvents; D009584:Nitrogen; D000432:Methanol