title: Study of proton pumps by phospholipid-impregnated Millipore filters.
mesh_terms: D001436:Bacteriorhodopsins; D004563:Electrochemistry; D008567:Membranes, Artificial; D008851:Micropore Filters; D010743:Phospholipids; D011510:Proteolipids; D011522:Protons
chemical_list: D008567:Membranes, Artificial; D010743:Phospholipids; D011510:Proteolipids; D011522:Protons; D001436:Bacteriorhodopsins