title: Sodium liquid ion exchanger microelectrode used to measure large extracellular sodium transients.
abstract: A new liquid membrane microelectrode has been developed that is easily fabricated and can measure fast sodium transients in the presence of potassium interference. It responds to a sudden change in sodium activity within 1 second. The electrode has been used to provide the first direct evidence of large sodium transients in the extracellular space of the brain of the catfish.
mesh_terms: D000818:Animals; D001692:Biological Transport; D002531:Cerebellum / Q000378:metabolism*; D005110:Extracellular Space / Q000378:metabolism*; D008839:Microelectrodes; D008985:Monensin; D009578:Nitrobenzenes; D012964:Sodium / Q000032:analysis / Q000378:metabolism*
chemical_list: D009578:Nitrobenzenes; D008985:Monensin; D012964:Sodium