Potassium-specific ion-exchanger microelectrodes to measure K +  activity in the renal distal tubule.
D000818:Animals; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D007474:Ion Exchange; D007684:Kidney Tubules / Q000502:physiology*; D007686:Kidney Tubules, Distal / Q000502:physiology; D008433:Mathematics; D008564:Membrane Potentials; D008722:Methods; D008839:Microelectrodes; D011188:Potassium / Q000378:metabolism*; D011189:Potassium Chloride / Q000378:metabolism; D051381:Rats; D012964:Sodium / Q000378:metabolism; D012965:Sodium Chloride / Q000378:metabolism; D013997:Time Factors
D012965:Sodium Chloride; D011189:Potassium Chloride; D012964:Sodium; D011188:Potassium