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Showing 1 to 20 of 48 for “"Potassium ion"”.
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Effect of shear stress on surface membrane potassium ion permeability of calf pulmonary artery endothelial cells (Potassium ion)
… determine the effect of shear stress on membrane potassium (K$\sp+$) permeability in vascular endothelial cells. Cultured monolayers of calf pulmonary artery endothelial cells, preloaded with $\rm \sp{86}Rb\sp+$, were subjected to different levels of fluid shear stress in the range 1-10 …
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Activity of Sodium Ion, Potassium Ion in the Epididymis of the Rat
… enzyme activity and its regulation was determined in the ductuli efferentes and the initial segment of the epididymis of the rat. Electron microscopic localization of Na$\sp+$,K$\sp+$-ATPase demonstrated enzyme activity along the cytoplasmic side of the plasmalemma of the ductal …
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An Investigation of the Behaviors of Calcium and Potassium Ion-Selective Electrodes
Made available in DSpace on 2014-12-10T22:38:19Z (GMT). No. of bitstreams: 1 7309898.pdf: 4579381 bytes, checksum: 0332c9287d1fdad27327353189125611 (MD5) Previous issue date: 1972
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Beyond Lithium-Ion Technology: Lithium-Sulfur and Potassium-Ion for Better and Cheaper Batteries
… to power a sustainable future. While lithium-ion batteries (LIBs) have revolutionised our modern lifestyles, the cost of lithium resources and limited energy density that can be safely accessed have limited their potential as large-scale energy storage systems. Lithium-sulfur batteries (LSBs) …
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Lighting Up Life: Fluorescence Studies of the Shaker Potassium Ion Channel and Myosin v in Action
… alternating in the leading and trailing positions. To do this, they developed a new technique which they called FIONA for Fluorescence Imaging with One Nanometer Accuracy which allowed them to localize individual molecules of myosin V to within 1.5 nut on the surface of a microscope cover …
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Primary Culture of Rodent Kidney Cells as a Model for Study of Sodium and Potassium Ion Transport Regulation
Made available in DSpace on 2014-12-14T13:39:42Z (GMT). No. of bitstreams: 1 7811207.pdf: 6217442 bytes, checksum: 3191556b609ed6114ef69c6bc1932a56 (MD5) Previous issue date: 1978
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Compartmental Analysis of Roots in Intact Rapidly-Growing Spergularia Marina and Lactuca Sativa: Partial Characterization of the Symplasms Functional in the Radial Transport of Sodium Ion and Potassium Ion
… The use of intact plant systems allowed distinction of that portion of the isotope flux into the root, associated with the ion-conducting symplasms.
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A study of potassium level alterations in twenty cardiac surgical patients subjected to cardiopulmonary bypass
… combined with moderate hypothermia hemodilution perfusion and postoperative respiratory care provide the stimuli for the alteration of K<sup>+</sup> levels in red blood cells, plasma, and urine. The purpose of this study was to measure the deviations from normal potassium ion concentrations …
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Elf magnetic field influence on ION Channels studied by Patch Clamp Technique: exposure set up and "Whole Cell" measurements on Potassium currents
… (ELF) electromagnetic magnetic fields on potassium currents in neural cell lines ( Neuroblastoma SK-N-BE ), using the whole-cell Patch Clamp technique. Such technique is a sophisticated tool capable to investigate the electrophysiological activity at a single cell, and even at single …
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Evaluation of Negative Energy and Mineral Balance in Periparturient Holstein-Friesian Cattle
… multiparous cattle due to their high milk production. A large amount of fat and protein is mobilized in order to address the energy deficit during the periparturient period. The ability to accurately monitor energetics and electrolytes status using accurate, rapid, and low cost point-of-care …
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Quantification of membrane transport rates using optofluidics
The transport of ions and small molecules across membranes is a ubiquitous process in biological systems. Effective studies of membrane transport phenomena require suitable model membrane systems, efficient methods to quantify transport kinetics and a robust theoretical framework to derive …
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Crystal structure prediction for rechargeable battery anodes
… of high-throughput crystal structure prediction calculations to predict the compositional phase diagrams of material systems that have relevance as conversion anodes in sodium- and potassium-ion batteries. The aim is to discover phase diagrams that can balance high capacity with low volume …
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Characterization of the Central Cavity of a Potassium Channel: Helix Dipoles, Conformational Plasticity and Inhibition
<p>Potassium channels are important for regulating the flow of potassium ions across semi-permeable cell membranes in an efficient and selective manner. Potassium channels form a conduction pore comprised of a selectivity filter responsible for the strong preference for potassium, and a …
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Generation, transport and focusing of high-brightness heavy ion beams
… Experiment (NTX) has been built at the Heavy Ion Fusion Virtual National Laboratory. NTX is the first successful integrated beam system experiment that explores various physical phenomena, and determines the final spot size of a high intensity ion beam on a scaled version of a Heavy Ion Fusion …
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Crystallographic refinement of thermal parameters using normal modes
… CLIPPER libraries from the Collaborative Computational Project Number 4 (CCP4) for handling most crystallographic functions. Furthermore, the file formats and input conventions from CCP4 are used so that our program can be easily integrated into a crystallographer's toolset. The software package …
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The Impact of Melanocortin Receptor Ligands on Astrocyte Signalling and Metabolism
… and mechanisms that regulate physiological functions. MCRs, comprising a family of five subtypes (MC1R to MC5R), are 7-transmembrane receptors that can couple with G proteins or function independently of them. These receptors are present in the central nervous system (CNS) as well as other body …
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Structure of valinomycin-K+ complex and cryptate-k+ complex in solution by extended x-ray absorption fine structure
… structure of molecules is Extended X-ray Absorption Fine Structure (EXAFS). EXAFS is small oscillatory signals added on to the smooth x-ray absorption structure curve produced from the excitation of an inner electron out of its bound inner shell into a free electron state. The oscillations are …
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