title: Spectroscopy and energetics of the purple membrane of Halobacterium halobium: a photoacoustic study.
mesh_terms: D001436:Bacteriorhodopsins / Q000502:physiology; D002338:Carotenoids / Q000502:physiology; D004734:Energy Metabolism; D006217:Halobacterium / Q000648:ultrastructure; D010777:Photochemistry; D013016:Sound; D013057:Spectrum Analysis / Q000379:methods
chemical_list: D002338:Carotenoids; D001436:Bacteriorhodopsins