title: Photodichroism of rhodopsin solutions at -196 degrees C.
mesh_terms: D000818:Animals; D002417:Cattle; D002942:Circular Dichroism; D003080:Cold Temperature; D008956:Models, Chemical; D010777:Photochemistry; D011830:Radiation Effects; D012168:Retinal Pigments / Q000528:radiation effects*; D014466:Ultraviolet Rays
chemical_list: D012168:Retinal Pigments