title: Letter: Ionic diffusion across biological membranes.
mesh_terms: D001692:Biological Transport; D004058:Diffusion; D004553:Electric Conductivity; D007477:Ions; D008564:Membrane Potentials; D008566:Membranes / Q000378:metabolism*; D008567:Membranes, Artificial; D008954:Models, Biological
chemical_list: D007477:Ions; D008567:Membranes, Artificial