Progress in Enzyme and Ion-Selective Electrodes

ISBN-13: 9783540104995 / Angielski / Miękka / 1981 / 242 str.

D. W. Lubbers; H. Acker; R. P. Buck

Opis

Proceedings of the Meeting on Theory and Application of Ion Selective Electrodes in Physiology and Medicine, held at Dortmund on July 28-30, 1980

Spis treści

The Ability of the Peptide Backbone to Bind Anions as well as Cations — Implications for Peptide Carriers, Channels and Electrodes.- New Ion-Selective Membranes.- Microelectrodes for Novel Anions and their Application to Some Neurophysiological Problems.- Carrier Based Ion-Selective Liquid Membrane Electrodes and their Medical Applications.- Mono-/bivalent Ion Selectivities Obtained by the Nicolsky and the Electrodiffusional Regimes.- Fluorinert Liquids and the Use of Microelectrodes.- A Double-Channel Ion-Selective Microelectrode with the Possibility of Fluid Ejection for Localization of the Electrode Tip in the Tissue.- A Low-Noise, Rapid Microeletrode.- A Small Flexible pH-Electrode for Esophageal Monitoring.- Bio-Electrodes for L-Histidine A Pseudomonas Bacterial Electrode and a Histidine Ammonia-Lyase Enzyme Electrode.- Recent Developments in the Field of Enzyme Membrane Electrodes.- Lactate Measurements with an Enzyme Optode that Uses Two Oxygen Fluorescence Indicators to Measure the Po2 Gradient Directly.- Calibration Standards for Multi Ion Analysis in Whole Blood Samples.- Experience with Direct-Dip Potentiometry of Blood Serum Electrolytes.- Intravascular K+ -Sensitive Electrodes for Clinical Monitoring.- Clinical Evaluation of a Nova 1 Sodium/Potassium Electrode in a Cardiac Surgical Intensive Care Unit.- Distribution of Intra- and Extracellular K+ in the Leech Central Nervous System Studied Using Double-Barrelled Ion-Sensitive Microeletrodes.- The Role of Extracellular Potassium and Hydrogen Activities in the Brain Cortex for Regulation of Cerebral Microcirculation in the Cat During Generalized Seizures and Specific Sensory Stimulation.- Possible Potassium Sources in Activated Loci of Mammalian Neocortex as Reflected by Electrical Currents and Potassium Changes in the Extracellular Space.- The Kinetics of the Potassium Concentration in Brain Extracellular Fluid During Respiratory and Metabolic Disturbances.- Role of Calcium in the Chemoreceptive Process of the Carotid Body.- Intracellular Applications of Ca2+ -Selective Microelectrodes in Voltage-Clamped Shail Neurons.- Effects of Lithium Application Upon Ectracellular Potassium Structures of the Peripheral and Central Nervous Systems of Rats.- Micro-Electrode Measurement of Skin pH in Post-Operative Intensive Care Patients.- Intracellular pH, Na+ and Ca2+ Activity Measurements in Mammalian Heart Muscle.- The Electrogenic Na-K Pump in the Sheep Cardiac Purkinje Fibre.- Measurements of Myocardial Extracellular Na+, K+, Ca2+, and H+ Using Ion-Selective Electrodes During Ischemia.- The Use of K+ Sensitive Electrodes to Gain an Understanding of Myocardial Ischemia.- Intracellular Potassium Activity in Normal and Hypoxic Guinea Pig Papillary Muscle.- Intracellular K+ Activity of Cardiac Purkinje Fibers During Temperature Change.- Intracellular pH in Purkinje Fibers. Effect of Extracellular Acidosis in a C02/HCO3 and HEPES Containing Medium.- Intracellular Eletro-Chemical Studies of Single Renal Tubule Cells and Muscle Fibers.- Intracellular Ion Activity (K+, Ca2+ and CI-) and Membrane Potential of Frog Muscle in Vitro.- Adenosine 3’ -5’ Cyclic Monophosphate (cAMP)-Induced Changes in Intracellular Ionic Activities Relation to Epithelial Ion Transport.- Continuous Recording of K+ and Ca2+ Pancreatic Juice of Conscious Rats Provided with an Extracorporeal Pancreatic Loop.- Measurements of Potassium Activities and Membrane Potentials in Tumor Cells.- Ionized Calcium Secretion in the Duodenal Juice of Normals, Chronic Alcoholics and Patients with Different Stages of Chronic Alcoholic Pancreatitis.