Session I. Electrochemistry of the ISM and Ionophores for the ISM. - Theory of Ion-Selective Electrodes. - New Ion Selective Liquid Membrane Microelectrodes. - Sensitivity of K+-Selective Microelectrodes to pH and Some Biologically Active Substances. - Double-Barrel Ion Selective [K+ Ca2+ Cl?] Coaxial Microelectrodes ISCM for Measurements of Small and Rapid Changes in Ion Activities. - Determination of Selectivity Coefficients of Ion-Selective Microelectrodes. - Session II. Intracellular Measurements of Ionic Activity. - Intracellular Potassium and Chloride Measurements in Sheep Cardiac Purkinje Fibers. - Intracellular Electrochemical Potentials: Skeletal Muscle vs. Epithelial Steady-State vs. Kinetics. - Measurement of Intracellular Calcium Activities. - pH Related Potassium Movements in Rabbit Atrium. - Intracellular Free Calcium Affects Electric Membrane Properties. A Study with Calcium-Selective Microelectrodes and with Arsenazo III in Helix Neurons. - Measurements of Free Ca2+ in Nerve Cell Bodies. - Intracellular Recording of Potassium in Neurons of the Motor Cortex of Awake Cats Following Extracellular Applications of Acetylcholine. - Potassium Fluxes of Isolated Nerve Endings Monitored by a Valinomycin-Activated Ion-Selective Membrane electrode in vitr. - Session III. Ion Activities in the Spinal Cord and Their Physiological Significance. - Extracellular K+ Accumulation in the Spinal Cord. - Extracellular Potassium and Calcium Activities in the Mammalian Spinal Cord and the Effect of Changing Ion Levels on Mammalian Neural Tissues. - Relations Between Extracellular K+ and Ca++ activities and Local Field Potentials in the Spinal Cord of the Rat during Focal and Generalized Seizure Discharges. - Ion Fluxes Across the Membrane of Motoneurons during the Action of Glutamate. - TheIonic Basis of the IPSP in Spinal Motoneurones of the Frog. - Effects of Increased Extracellular Potassium Activity in the Frog Spinal Cord on the Flexor Reflex. - Extracellular K+ Activity During Electrical Stimulation of Rat Sympathetic Ganglia Vagus and Optic Nerves in vitr. - Extracellular Potassium Activity and Axon Excitability. - Session IV. Ionic Activity Changes in the Brain and their Physiological Significance. - Extracellular Potassium Calcium and Volume Profiles During Spreading Depression. - Cortical pH and pCa in Relation to DC Potential Shifts During Spreading Depression and Asphyxiation. - Changes of Extracellular Potassium in Rat Cerebellar Cortex Indicate a Reduced Na-K-Pump Activity During Acute and Chronic Li-Application. - Changes in Extracellular Free Ca2+ in the Sensorimotor Cortex of Cats During Electrical Stimulation and Iontophoretic Application of Amino-Acids. - Measurements of Ion Activity in the CNS: Extracellular K+ and Ca in the Hippocampus. - Evoked Ionic Alterations in Brain Slices. - Serotonin and GABA-Induced Fluctuations in Extracellular Ion Concentration in the Hippocampal Slice. - The Slow Component of the Direct Cortical Response and Extracellular Potassium. - Potassium Changes Elicited in the Feline Somatosensory Cortex by a Single Stimulus to the Peripheral Nerve. - The Mechanism and Integrative Role of Extracellular Potassium Clearance in the Rat Brain. - Session V. Ionic Activity Changes in the Heart and Skeletal Muscle. - K+ Accumulation and its Physiological Regulatory Effects in Heart Muscle. - Measurement of Intracellular Ionic Calcium Concentration in Guinea Pig Papillary Muscle. - Intracellular Na Activity During K or Rb Activated Response in Sheep Purkinje Fibres. Correlation with Changes in Membrane Potential. - Interaction between pHi and pCai in Cardiac Tissue. - The Use of ISMs in Working Skeletal Muscle and Venous Effluent Blood. - Characteristics of Ca2+-Selective Microelectrodes and Their Application to Cardiac Muscle Cells. - Session VI. Other Techniques for the Study of Ionic Activity Changes in Brain Research. - Ion-Selective Properties of the Nerve Cell Membrane. - Glial Cells as Potassium Detectors. - The Role of Cells in the Dispersal of Brain Extracellular Potassium. - Movement of Potassium into Glial Cells in the Retina of the Drone Apis Mellifera During Photostimulation. - Intracellular Calcium and the Regulation of Neuronal Membrane Permeability. - CNS and Na-Pump in in sit. Muscle. - Participants. Language: English