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searching for Radioactive tracer 45 found (105 total)

alternate case: radioactive tracer

Fracking proppants (1,260 words) [view diff] exact match in snippet view article find links to article

gum, biocides, emulsion breakers, emulsifiers, 2-butoxyethanol, and radioactive tracer isotopes. Proppants have greater permeability than small mesh proppants
Ventilation perfusion mismatch (791 words) [view diff] exact match in snippet view article find links to article
Ventilation Scan: Takes 15 to 20 minutes. A radioactive tracer gas is inhaled and then this radioactive tracer gas is traced (looked) by taking pictures
Radionuclide angiography (2,293 words) [view diff] exact match in snippet view article find links to article
scan is performed by labeling the patient's red blood pool with a radioactive tracer, technetium-99m-pertechnetate (Tc-99m), and measuring radioactivity
Lymphogram (676 words) [view diff] exact match in snippet view article find links to article
being studied to evaluate spreading, a mixture of blue dye and a radioactive tracer is injected next to the mass. Special cameras detect the spread of
Synthetic radioisotope (719 words) [view diff] exact match in snippet view article find links to article
medicine covers use of radioisotopes for diagnosis or treatment. Radioactive tracer compounds, radiopharmaceuticals, are used to observe the function
Operation Starvation (novel) (790 words) [view diff] exact match in snippet view article
intercept Kathy. Dominique meets her and secretly tags her with a radioactive tracer. She attempts to flee. Carter tracks her with a Geiger counter as
Blood volume (1,006 words) [view diff] exact match in snippet view article find links to article
determined through the dilution principle (i.e. similar as the case for radioactive tracer methods). Although CO gas in large volumes is toxic to humans, the
Gamma probe (417 words) [view diff] exact match in snippet view article find links to article
staging; both are currently considered standards of care. The use of a radioactive tracer, rather than a coloured dye, was proposed in 1984. To locate the draining
Biliary dyskinesia (741 words) [view diff] exact match in snippet view article find links to article
the health and function of the gallbladder and biliary system. A radioactive tracer is injected through any accessible vein and then allowed to circulate
Splenogonadal fusion (1,380 words) [view diff] exact match in snippet view article find links to article
Technetium-99m Scintigraphy Radioactive tracer uptake in mass equivalent to uptake in normal splenic tissue Radioactive tracer uptake in mass equivalent
Plexaurella nutans (466 words) [view diff] exact match in snippet view article find links to article
inside the coral's skeleton. After particles of liver marked with a radioactive tracer were fed experimentally to a single polyp, radioactivity was detected
Nuclear pharmacy (1,083 words) [view diff] exact match in snippet view article find links to article
Radiopharmacology Christian, John E. (June 1948). "The applications of radioactive tracer techniques to pharmacy and pharmaceutical research". Journal of the
Neuroimaging (5,030 words) [view diff] exact match in snippet view article find links to article
three-dimensional images of active brain regions. SPECT relies on an injection of radioactive tracer, or "SPECT agent," which is rapidly taken up by the brain but does
Radiochemistry (2,100 words) [view diff] exact match in snippet view article find links to article
intravenously into the patient and then taken to the PET machine. The radioactive tracer releases radiation outward from the patient and the cameras in the
Cardiac imaging (1,554 words) [view diff] exact match in snippet view article find links to article
nuclear medicine imaging methodology using gamma rays emitted by a radioactive tracer injected into the blood stream, which ultimately distributes into
Eating behavior in insects (746 words) [view diff] exact match in snippet view article find links to article
many methods, the most commonly applied are capillary feeder (CAFE), radioactive tracer labeling in food, dye tracer labeling in food and counting of proboscis
Gamma camera (1,706 words) [view diff] exact match in snippet view article find links to article
reconstructed image reflects the distribution and relative concentration of radioactive tracer elements present in the organs and tissues imaged.: 162  Hal Anger
Spectral noise logging (650 words) [view diff] case mismatch in snippet view article find links to article
Help to Diagnoses Complex Problems McKinley, R.M. 1994. Temperature, Radioactive Tracer, and Noise Logging for Well Integrity: 112-156 Wang J, Alex van der
Uses of radioactivity in oil and gas wells (1,282 words) [view diff] exact match in snippet view article find links to article
"A comprehensive study of the analysis and economic benefits of radioactive tracer engineered stimulation procedures," Society of Petroleum Engineers
Iterative reconstruction (1,776 words) [view diff] exact match in snippet view article find links to article
resistance to the streak artifacts common with FBP. Since the density of radioactive tracer is a function in a function space, therefore of extremely high-dimensions
Herta Regina Leng (463 words) [view diff] exact match in snippet view article find links to article
fellowship permitted her the freedom to pursue the pioneer research on radioactive tracer materials. In 1943, Leng moved to New York City to accept a faculty
John H. Lawrence (768 words) [view diff] exact match in snippet view article find links to article
being used to treat a human patient. Lawrence pioneered the usage of radioactive tracer techniques to study the impact of disease on metabolic processes.
K-casein (1,678 words) [view diff] exact match in snippet view article find links to article
the rate of degradation of casein previously labeled with either a radioactive tracer or a fluorochrome compound. All these methods use casein as the substrate
Caesium-137 (3,352 words) [view diff] exact match in snippet view article find links to article
sedimentation occurring after 1945. Caesium-137 is also used as a radioactive tracer in geologic research to measure soil erosion and deposition. Caesium-137
Sentinel lymph node (2,608 words) [view diff] exact match in snippet view article find links to article
up the radionuclide. One or several nodes may take up the dye and radioactive tracer, and these nodes are designated the sentinel lymph nodes. The surgeon
Nuclear medicine physician (1,463 words) [view diff] exact match in snippet view article find links to article
only a little over a quarter of a century (1925) until the first radioactive tracer study in animals was performed by George de Hevesy, and the next year
Tribology (7,917 words) [view diff] exact match in snippet view article find links to article
material are observed. Another method of investigation is that of the radioactive tracer, used to evaluate wear at macroscopic levels. One of the two materials
Spondylolysis (2,792 words) [view diff] exact match in snippet view article find links to article
scan, bone scintigraphy involves the injection of a small amount of radioactive tracer into the bloodstream. This tracer decays and emits radioactive energy
Solubility equilibrium (4,107 words) [view diff] exact match in snippet view article find links to article
thermostatted room. Very low concentrations can be measured if a radioactive tracer is incorporated in the solid phase. A variation of the static method
Reconstruction from projections (1,307 words) [view diff] exact match in snippet view article find links to article
any chosen axis of the body. SPECT is similar to PET in its use of radioactive tracer material and detection of gamma rays, while the tracers used in SPECT
Radiology (5,328 words) [view diff] exact match in snippet view article find links to article
of substances with affinity for certain body tissues labeled with radioactive tracer. The most commonly used tracers are technetium-99m, iodine-123, iodine-131
Well logging (4,105 words) [view diff] case mismatch in snippet view article find links to article
Help to Diagnoses Complex Problems McKinley, R.M. 1994. Temperature, Radioactive Tracer, and Noise Logging for Well Integrity: 112-156 Wang J, Alex van der
Stafford L. Warren (2,891 words) [view diff] exact match in snippet view article find links to article
John S. Lawrence, who had pioneered the use of phosphorus-32 as a radioactive tracer, as professor of medicine. With Dr William P. Longmire Jr, a 34-year-old
Plus Therapeutics (1,555 words) [view diff] exact match in snippet view article find links to article
therapy. It is in the same chemical family as Technetium-99m (99mTc), a radioactive tracer that is the most commonly used isotope for diagnostic scintigraphic
Fantastic Voyage (4,848 words) [view diff] exact match in snippet view article find links to article
outside Benes's body are still able to track their movements via a radioactive tracer, allowing General Alan Carter and Colonel Donald Reid, the officers
Elizabeth Rona (3,471 words) [view diff] exact match in snippet view article find links to article
to Tennessee in the late 1970s, publishing a book in 1978 on her radioactive tracer methods. Rona died on 27 July 1981 in Oak Ridge, Tennessee. Rona did
Michael I. Miller (2,167 words) [view diff] exact match in snippet view article find links to article
With Snyder, Miller worked to stabilize likelihood-estimators of radioactive tracer intensities via the method-of-sieves . This became one of the approaches
Copley Medal (2,885 words) [view diff] exact match in snippet view article find links to article
of radioactive elements and especially for his development of the radioactive tracer techniques in the investigation of biological processes" 1950 James
Magnesium in biology (9,835 words) [view diff] exact match in snippet view article find links to article
of putative Mg2+ ions for the binding of some drugs". The use of radioactive tracer elements in ion uptake assays allows the calculation of km, Ki and
Melanoma (15,663 words) [view diff] exact match in snippet view article find links to article
needed] A process called lymphoscintigraphy is performed in which a radioactive tracer is injected at the tumor site to localize the sentinel node(s). Further
Gordon McClymont (4,103 words) [view diff] exact match in snippet view article find links to article
approach to researching metabolic diseases in livestock, utilizing radioactive tracer methods to identify "the quantitative importance of various metabolites
Ventilation-perfusion coupling (2,503 words) [view diff] exact match in snippet view article find links to article
and a perfusion scan for blood flow distribution in the lungs. A radioactive tracer is used to scan the whole lung and the ventilation and perfusion function
Magnesium transporter (12,019 words) [view diff] exact match in snippet view article find links to article
Co2+ and Ni2+ have been shown to be transported by CorA by using radioactive tracer analysis, although with lower affinities (km) and velocities (Vmax)
Diffuse optical mammography (3,555 words) [view diff] exact match in snippet view article find links to article
tumour, but it is very expensive and requires the administration of a radioactive tracer. For this reason, its application is not frequently recommended. On
Fracking in the United States (24,557 words) [view diff] exact match in snippet view article find links to article
Thus, despite concerns about the elevated levels of iodine-131 (a radioactive tracer used in hydraulic fracturing) in drinking water in Philadelphia and