title: Ion transport through liquid membranes facilitated by crown ethers and their polymers.
mesh_terms: D004988:Ethers, Cyclic; D007700:Kinetics; D008433:Mathematics; D008567:Membranes, Artificial; D008954:Models, Biological; D010851:Picrates; D011108:Polymers; D011188:Potassium; D012964:Sodium; D013056:Spectrophotometry, Ultraviolet; D013329:Structure-Activity Relationship; D013997:Time Factors
chemical_list: D004988:Ethers, Cyclic; D008567:Membranes, Artificial; D010851:Picrates; D011108:Polymers; D012964:Sodium; D011188:Potassium