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Isotopic labeling - Wikipedia, the free encyclopedia
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Isotopic tracer techniques for studying the bioavailability and bioefficacy of dietary carotenoids, particularly ß-carotene, in humans: a review1,2,3 ... Isotopic tracer techniques can meet the need for accurate and precise estimates of the bioavailability, bioconversion, and bioefficacy of dietary carotenoids in humans.
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The production of an isotopic tracer involves the substitution of one or more naturally occurring atoms in specific positions in the tracee molecule with an isotope of that atom with a less common abundance. Either stable or radioactive isotopes can be used as tracers.
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Tracer - Wikipedia, the free encyclopedia
Tracer may refer to: •Histochemical tracer, a substance used for tracing purposes in histochemistry, the study of the composition of cells and tissues •Isotopic tracer, a substance with an isotope th...
en.wikipedia.org/wiki/Tracer |
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A tracer which only differs in isotopic composition from the substance to be traced. Source: PAC, 1994, 66, 2513 (Nomenclature for radioanalytical chemistry ...
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USGS OFR 02-89: Proceedings of the Artificial Recharge Workshop, April 2002 - Using chemical and isotopic tracers to assess hydrogeologic processes and properties in aquifers intended for injection and recovery of imported water (USGS - U.S. Geological Survey Office of Groundwater) ... By John Izbicki; ... Fugro West, 1998,
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information about applications of environmental isotopes for earth-science and ecological studies by the USGS. ... Resources on Isotopes ... An "image map" periodic table and short notes about many isotopes and their applications has been created to help illustrate the uses of assorted isotopes in hydrology, geology,
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ISOTOPIC TRACER,. name applied to an atom of an isotope used to observe the movement of certain materials in chemical, biological, or physical processes. The observations may be made by the measurement of radioactivity in the case of radioactive . . .
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Other isotopic and elemental measurements provide useful information about the interaction of water and its host rock or sediment or about the migration of contaminants in the water. ... In the fall of 1996, a batch of Colorado River water was spiked with a xenon tracer when it was introduced into the spreading ponds.
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Chapter 3: Isotopic Variations in Precipitation ; N.L. Ingraham; References ... Chapter 4: Isotopic Fractionation in Snow Cover ; L.W. Cooper ; References ... Chapter 5: Isotopic Exchange in Soil Water ; C.J. Barnes and J.V. Turner ; References...
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