(n.) A compound of arsenic with a metal, or positive element or radical; -- formerly called arseniuret.
Example Sentences:
(1) Gallium arsenide has proved to be an ideal substrate material for some uses but is associated with unique health hazards.
(2) Indium arsenide (InAs) is partially dissociated in vivo to form inorganic arsenic and indium and excreted into the urine and feces.
(3) Gallium-Aluminium-Arsenide (Ga-Al-As) diode laser pain attenuator PANALAS-4000 manufactured by Japan Medical Laser Laboratory was used in the following specifications; wave length: 830 nm, power: 20-40 mW, frequency: 5-50 c.p.s., pulse duty: 0.9.
(4) Active sites on the gallium arsenide surface initiate the reaction that forms AsH3 gas.
(5) It was revealed that arsenide-gallium laser irradiation causes the change of intracellular structure.
(6) New advances in the highly competitive field of microelectronics involve exposure to a variety of hazards such as gallium arsenide.
(7) The effect of low power Helium-Neon (He-Ne) and Gallium-Arsenide (Ga-As) laser on the slowly adapting crustacean stretch receptor was studied.
(8) The increasing use of gallium arsenide (GaAs) in the electronics industry has produced the need for pharmacokinetic and toxicologic data on GaAs.
(9) The transscleral effects on rabbit ciliary body of Nd:YAG and diode laser wavelengths were compared using a CW Nd:YAG laser and a CW Aluminum Gallium Arsenide diode laser.
(10) The present work investigates the role of surface properties of sulfides and arsenides, which are present in metal mines, in oxidizing mechanisms capable of inducing oxidative stress and, possibly, of participating in carcinogenesis.
(11) Ten patients received low-energy gallium-arsenide laser treatment, and ten received placebo laser treatment.
(12) Gallium arsenide (GaAs) is an intermetallic compound that is recognized as a potential toxicological risk to workers occupationally exposed to its dust.
(13) Crystalline gallium arsenide (GaAs) was found to dissolve in an aqueous solution containing the inorganic anions, chloride, sulfate, bicarbonate, monohydrogen phosphate, and dihydrogen phosphate, and the organic anions, acetate and citrate.
(14) Laser puncture (LJ) using semiconductor gallium-arsenide apparatus Uzor (wave-length 890 nm) was made in 30 patients with chronic obstructive diseases of the lungs.
(15) The effect of gallium-aluminum-arsenide laser irradiation on the proliferation of human lymphocytes in culture in response to mitogenic stimulation by phytohemagglutinin was investigated.
(16) This study was carried out to explore the pain-alleviating effect of Ga-As + He-Ne laser (gallium-arsenide + helium-neon) in lateral epicondylalgia.
(17) None of the other strong acids that were investigated reacted with gallium arsenide to form AsH3.
(18) The effect of low-power gallium aluminium arsenide diode laser irradiation on the development of synapses was studied in the radiatum layer and the lacunosum-molecular layer of field CA3 of the neonatal rat hippocampus.
(19) Intratracheal administration of gallium arsenide particulate suspensions has been shown to result in inhibition of delta-aminolevulinic acid dehydratase (ALAD) in several tissues and increased excretion of the heme precursor aminolevulinic acid (ALA).
(20) The instrument consists of a double grating monochromator in front of a gallium arsenide photomultiplier that is interfaced with a desktop computer.
Ion
Definition:
(n.) One of the elements which appear at the respective poles when a body is subjected to electro-chemical decomposition. Cf. Anion, Cation.
Example Sentences:
(1) Structure assignment of the isomeric immonium ions 5 and 6, generated via FAB from N-isobutyl glycine and N-methyl valine, can be achieved by their collision induced dissociation characteristics.
(2) It has recently been suggested that procaine penicillin existed in solution in vitro and in vivo as a "procaine - penicillin" complex rather than as dissociated ions.
(3) The transport of potassium ions through membranes of red blood cells was examined in in bitro experiments using a CMF of 4500 oersted.
(4) of PLA2 caused marked degranulation of mast cells in the rat mesentery which was facilitated by addition of calcium ion (10 mM) but antagonized by pretreating with three antiinflammatory agents.
(5) Results suggest that Cd-MT is reabsorbed and broken down by kidney tubule cells in a physiological manner with possible subsequent release of the toxic cadmium ion.
(6) The influence of calcium ions on the electrophoretic properties of phospholipid stabilized emulsions containing various quantities of the sodium salts of oleic acid (SO), phosphatidic acid (SPA), phosphatidylinositol (SPI), and phosphatidylserine (SPS) was examined.
(7) Finally, it could be observed that elevated osmotic pressures reduced the lysis of isolated secretory granules when bicarbonate ions were present in the incubation medium.
(8) Since intracellular Ca2+ seems to play a role in stimulus-secretion coupling and ion movements, several aspects of Ca2+ homeostasis have been investigated in CF.
(9) An investigation of the constitutive ions of salts revealed that their effects were additive only in the case of salts that have no specific binding capability.
(10) Resorption of calcium and depositon of inorganic phosphates in the implanted ceramics suggested that ions were being exchanged with the body fluids.
(11) Dose distributions were evaluated under thin sheet lead used as surface bolus for 4- and 10-MV photons and 6- and 9-MeV electrons using a parallel-plate ion chamber and film.
(12) In voltage-clamp experiments the ion current flowing through the channels was homogeneous indicating a defined conformation and a uniform size.
(13) Previous evidence includes changes in Ca2+ fluxes and intracellular activity, membrane potential changes, and effects of ion-channel blockers.
(14) Excessive accumulation of hydrogen ions in the brain may play a pivotal role in initiating the necrosis seen in infarction and following hyperglycemic augmentation of ischemic brain damage.
(15) Measurements of acetylcholine-induced single-channel conductance and null potentials at the amphibian motor end-plate in solutions containing Na, K, Li and Cs ions (Gage & Van Helden, 1979; J. Physiol.
(16) EGTA was ineffective in removing calmodulin from particulate preparations, but treatment with the tervalent metal ion La3+ resulted in a loss of up to 98% of calmodulin activity from these preparations.
(17) The present results suggest that TMB-8 blocks twitches by preventing the release of Ca++ ions bound to the intracellular surface of the t-tubular membrane which is often called the store of 'trigger-calcium' ions.
(18) Blockade of beta-adrenoceptors interferes with haemodynamic and metabolic adaptations and ion balance during dynamic exercise.
(19) Mechanosensitive ion channels may play a key role in transducing vascular smooth muscle (VSM) stretch into active force development.
(20) PFP-MAM is separated by capillary GC and identified mass spectrometrically by selected ion monitoring (SIM).