ventilation-perfusion scanning
ventilation-perfusion scanning (V/Q scanning) n. a nuclear medicine technique in which two different isotopes are used, one inhaled, to examine lung ventilation, and one injected, to examine lung perfusion. It is used to detect pulmonary embolism, in which the area of lung supplied by the blocked artery is not being perfused with blood but has normal ventilation.
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Spinacia oleracea L. protects against gamma radiations: a study on glutathione and lipid peroxidation in mouse liver.
Magazine article from: Phytomedicine: International Journal of Phytotherapy & Phytopharmacology; 11/1/2004; ; 700+ words
; ...of Spinacia oleracea L. against radiation-induced oxidative stress, which...irradiated were exposed to 5 Gy of gamma radiation at a rate of 1.07 Gy/min with...post-exposure, respectively. Radiation-induced glutathione depletion...
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Gamma-1: Major Cordis Clinical Trial Demonstrates Cost-Effectiveness of Gamma Radiation at One-Year Follow-up for Treating Clogged Stents in Coronary Arteries.
PR Newswire; 5/8/2000; 700+ words
; ...trial using a catheter-based, gamma radiation (Iridium-192) ribbon for...p < 0.001), for the gamma radiation-treated patients," noted...one year after treatment using gamma radiation to conventional treatment, it...
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GAMMA 1: Major Clinical Trial Cites Efficacy and Safety of Gamma Radiation At Nine Months for Treating Reclogged Stents in Coronary Arteries.
PR Newswire; 9/23/1999; 700+ words
; ...a catheter-based, gamma radiation (Ir-192 [Iridium...The study utilized gamma-ribbon radiation therapy...reduction in restenosis with radiation was even greater in the...trial definitively shows gamma radiation with Iridium...
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Pakistan Radiation Services: pioneer in GAMMA sterilization.
Magazine article from: Economic Review; 8/1/1997; ; 700+ words
; ...importance and potential of gamma irradiation technology and...under the name of Pakistan Radiation Services, briefly known...Sterilization with gamma radiation is considered to be the most...of products to Cobalt-60 radiations for a predetermined period...prescribed minimum dose of ...
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Gamma 1: Major Clinical Trial Cites Efficacy and Safety of Gamma Radiation for Treating Reclogged Stents in Coronary Arteries.
PR Newswire; 3/8/1999; 700+ words
; ...clinical trial using a catheter-based, gamma radiation (Iridium-192) ribbon for reduction...approximately 3,500 employees worldwide. Gamma 1 Study Cites Efficacy & Safety of Gamma Radiation for Restenosis Key Results 6-Month Angiographic...
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Gamma-radiation induces leaf trichome formation in arabidopsis
Magazine article from: Plant Physiology; 5/1/1999; ; 700+ words
; gamma-Radiation Induces Leaf Trichome Formation in Arabidopsis1...14.5, respectively. However, gamma-radiation induced additional trichome...random. Treatment with antioxidants before gamma-irradiation suppressed the increase in...
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Gamma and ultraviolet radiation cause DNA crosslinking in the presence of metal ions at high pH
Magazine article from: Photochemistry and Photobiology; 6/1/2001; ; 700+ words
; Gamma and Ultraviolet Radiation Cause DNA Crosslinking in the Presence...estimate lesions in M-DNA induced by gamma- and UV radiation. General damage...the Co^sup 2+^ form of M-DNA, gamma-radiation caused the very efficient...
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Gamma radiation technology to boost halal food sector
Newspaper article from: New Straits Times; 2/28/2006; 554 words
; New Straits Times 02-28-2006 Gamma radiation technology to boost halal food sector...The thought of food exposed to gamma radiation may not seem appealing...Health Organisation. Sterilisation by gamma radiation destroys harmful micro...
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Virginia Inventor Develops Gamma Radiation Emission Method
News Wire article from: US Fed News Service, Including US State News; 9/18/2008; 470 words
; ...producing stimulated emission of gamma radiation. According to the abstract released...producing stimulated emission of gamma radiation comprising: providing at least first and second gamma-radiation sources, both sources...
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Diltiazem prevents gamma radiation-induced anemia.
Newspaper article from: Blood Weekly; 8/12/2004; 662 words
; ...NewsRx.net) -- Diltiazem prevents gamma radiation-induced anemia. "Intraperitoneal...half an hour prior to whole body gamma irradiation (2.5, 5.0, &...Radiation Research (Prevention of gamma radiation induced anaemia in mice...
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gamma radiation
Book article from: The Columbia Encyclopedia, Sixth Edition
gamma radiation high-energy photons emitted as one...energy) state. The applications of gamma radiation are much the same as those of X rays...medicine and in industry. In medicine, gamma ray sources are used for cancer treatment...
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gamma-ray astronomy
Book article from: The Columbia Encyclopedia, Sixth Edition
...energetic electromagnetic radiation they emit. Gamma rays are shorter in wavelength...the earlier findings of gamma-ray background radiation and also detected a number...studied both cosmic rays and gamma radiation. A number of satellites...
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Gamma ray Burst
Encyclopedia entry from: The Gale Encyclopedia of Science
Gamma ray Burst Gamma ray bursts (GRBs) are...minutes-long, blasts of gamma radiation, with later emissions...clear that in addition to gamma rays, GRBs also emit...of x rays, and other radiation. Clint Hatchett
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gamma—gamma sonde
Book article from: A Dictionary of Earth Sciences
gamma—gamma sonde A well-logging instrument package in which a source of gamma radiation, usually 27 60 Co or 137 Cs, bombards the wall of the borehole...
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gamma-ray spectrometry
Book article from: A Dictionary of Plant Sciences
gamma-ray spectrometry An analytical method...measurement of the intensities and energies of gamma radiation. Scintillation or semiconductor radiation...accumulated. This may be used to identify the gamma-emitting radioisotopes, and their energy...
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