Membranes, material transfer and enzymes.
D001692:Biological Transport; D002463:Cell Membrane Permeability; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D008433:Mathematics; D008567:Membranes, Artificial; D008962:Models, Theoretical; D013816:Thermodynamics; D014510:Urease
D008567:Membranes, Artificial; D014510:Urease