title: Complexation of ammonium ions by the polyether monocarboxylic acid ionophore, A23187.
mesh_terms: D000641:Ammonia; D000900:Anti-Bacterial Agents; D000001:Calcimycin; D002118:Calcium; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D011188:Potassium; D013050:Spectrometry, Fluorescence
chemical_list: D000900:Anti-Bacterial Agents; D000001:Calcimycin; D000641:Ammonia; D011188:Potassium; D002118:Calcium