What's the difference between phosphor and scintillation?

Phosphor


Definition:

  • (n.) Phosphorus.
  • (n.) The planet Venus, when appearing as the morning star; Lucifer.

Example Sentences:

  • (1) The ADAM derivative of carnitine was separated from decomposition products of the reagent and related compounds such as amino acid derivatives on a silica gel column eluted with methanol-5% aqueous SDS-phosphoric acid (990:10:1).
  • (2) This demineralization was similar to enamel acid etched with 50% phosphoric acid for 2 mn.
  • (3) Chemical analyses of the radioactive species in the incubation medium showed that a considerable portion of the radiolabeled sugar nucleotide had broken down to cytidine, phosphoric acid, and sialic acid.
  • (4) There were no temperature induced changes in the other phosphorous components seen in the spectra with exception of a decrease in ATP for higher temperatures.
  • (5) Such aspects as the physics of the stimulable phosphor detector are dealt with, and image acquisition, processing, and hard-copy output.
  • (6) Multiple-inhibitor experiments of pyruvate decarboxylase show that inorganic phosphate and n-decyl ester of phosphoric acid are mutually exclusive.
  • (7) One group of 6 cats was fed a basal, naturally acidifying diet without added acidifiers, and another group of 6 cats was fed 1.7% dietary phosphoric acid.
  • (8) McArdle's disease was also detected by phosphor nuclear resonance in the two male children.
  • (9) The IP phosphor retains a latent image of the energy pattern to which it was exposed.
  • (10) After spraying the plates with phosphoric acid and heating, the amount of carbon from the charred compounds is measured densitometrically.
  • (11) The use of photo-simulated phosphor plates and scanned equalization radiographic systems for chest imaging are discussed.
  • (12) The six patients had normal hemoglobin levels and the serum concentration of the following urinary constituents was normal in most of the patients: albumin, carotene, 25-hydroxycalciferol, parathyroid hormone, calcitonin, calcium, phosphorous, osteogenous alkaline phosphatase, cholesterol, triglycerides, and serum lipoproteins.
  • (13) Hydrochloric and phosphoric acids were efficient between 20 and 50% concentrations.
  • (14) The sensitivity of storage phosphor imaging plates (SPIP) at megavolt photon energies (60Co, 6-, 10-, and 18-MV radiotherapy beams) is studied both experimentally and by Monte Carlo radiation transport calculations.
  • (15) The activated CO2 intermediate formed in the reaction catalyzed by glutamine-dependent carbamyl phosphate synthetase was identified as carbonic-phosphoric anhydride through the use of two independent procedures.
  • (16) The influence of sympathectomy of the ear artery in rabbits on the activity of a number of redox coenzymes inthe vascular wall (lactic, glucose-6-phosphoric, isocitrate, and succinic dehydrogenases: LDH, G-6-PDHm isoCDH, and SDH, respectively) was studied by the quantitative histochemical method.
  • (17) To assess the effects of left ventricular chamber volume on the mechanism of changes in left ventricular developed pressure we performed phosphorous-31 nuclear magnetic resonance spectroscopy, hydrogen-1 nuclear magnetic resonance spectroscopy with a shift reagent, two-dimensional echocardiography, atomic absorption spectrophotometry, microsphere analysis, and surface fluorometry on isovolumic isolated perfused rat hearts with incremental intraventricular balloon volumes, while left ventricular pressure was concurrently monitored.
  • (18) The subtle radiolucent polyethylene component was identified in all patients; adequate visualization in some cases may necessitate imaging with additional methods such as magnification, phosphor plate, and soft-tissue radiographic techniques; conventional tomography; and arthrography.
  • (19) Since it is well known that chronic alcohol consumption leads to hypophosphatemia and hypomagnesemia, we designed experiments to determine if controlled depletion of either phosphorous or magnesium (Mg2+) lead, in themselves, to cardiovascular disturbances and what effects these mineral depletions exert on myocardial cellular bioenergetics.
  • (20) A digital radiography system based on reusable, photostimulable phosphor technology was evaluated in approximately 3,500 portable chest radiographs of patients in an intensive care unit.

Scintillation


Definition:

  • (n.) The act of scintillating.
  • (n.) A spark or flash emitted in scintillating.

Example Sentences:

  • (1) Radioactivity attained in different tissues at different times after a single intraperitoneal injection of 3H-gentamicin into male rats was determined using scintillation counting.
  • (2) An accurate and reproducible method is described for generating a map of the cobalt sheet source from images of it made in multiple positions with the scintillation camera.
  • (3) (The scintillation medium is preheated with ethanolamine to eliminate chemiluminescence.)
  • (4) [8(-14)C]Inosine monophosphate formed was separated by high-voltage electrophoresis and radioactivity was measured by liquid-scintillation counting.
  • (5) With liquid scintillation counting after two-dimensional gel electrophoresis it is possible to estimate the proportion of species-specific ribosomal protein in a mouse-hamster somatic cell hybrid.
  • (6) Plasma data and scintillation camera images obtained from patients receiving either 1, 50, or 100 mg of monoclonal antibody indicated dose-dependent (i.e., saturable) kinetics.
  • (7) Features of this spectrometer which make it more suitable than the previously employed scintillation spectrometers for the observation of granulocyte and other chemiluminescent systems include; (1) the ability to measure CL immediately upon reaction initiation; (2) simplicity of photomultiplier tube exchange; and (3) built-in optical filter holders for spectral analysis.
  • (8) A simple scanning apparatus, similar to that used in a hand-held scintillation probe, was compared with simultaneous measurements made by a gamma camera in 16 healthy males.
  • (9) We conclude that analog motion correction should be provided in all scintillation cameras used for liver scintigraphy.
  • (10) To investigate the potential application of radionuclide computed tomography (RCT) to nuclear medicine imaging using 99mTc, a tomographic system using a lightweight scintillation camera for brain imaging was constructed, and lesion contrast with RCT and conventional scintigraphy were compared.
  • (11) Larger detectors with converging collimation result in much higher photon input rates to the scintillation crystal in routine clinical studies than has occurred in the past.
  • (12) Samples were assayed using liquid scintillation counting and the iodoantipyrine results were regressed against the butanol results.
  • (13) A device based on an 8080 microprocessor was assembled for the generation of image data in a manner similar to that of the scintillation camera.
  • (14) Graft segments, effluents, and seeding suspension were assayed in a beta scintillation counter.
  • (15) Metabolism of 2-aminofluorene was measured both colorimetrically (formation of a reduced iron chelate from the N-hydroxyfluorene metabolite) and radiochemically (separation of 3H-metabolites by high performance liquid chromatography and quantitation by scintillation counting).
  • (16) The bioluminescence marker was expressed in the presence of n-decanal, and was monitored as chemiluminescence in a liquid scintillation counter.
  • (17) The migration of the donor lymphocytes was followed by labeling them in vitro with either [3H] or [14C]uridine and measuring radioactivity by scintillation counting of the spleen and lymph nodes of the recipients removed 24 h after injection and in TDL collected throughout this period.
  • (18) By utilizing the gamma-emitting isotope of selenium, Se-(8-azidoadenosyl)[75Se]selenomethionine eliminates the need for the impregnation of acrylamide gels with fluorographic enhancers and dilution of liquid samples into scintillation cocktails, as is required with the commonly used methyl-3H-labeled and 35S-labeled S-(8-azidoadenosyl)methionine.
  • (19) Of 116 patients who had undergone combined liver-lung scintillation imaging, 23 with negative studies had abnormal subphrenic spaces at operation, and 5 with positive studies had abnormal subphrenic spaces at laparotomy (hematomas, bile spillage, serous fluid or abscess); 4 of 6 nonexplored positive studdies showed resolution of defects on serial imaging.
  • (20) Elution with 2 X 5 ml of 0.1 M sodium chloride in 5 mM ammonium acetate removes all of the orotate and leaves all of the product orotidine monophosphate (OMP) bound so that it may be measured in a scintillation counter.