radioactive tracer


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radioactive tracer

[¦rād·ē·ō′ak·tiv ′trā·sər]
(nucleonics)
A radioactive isotope which, when attached to a chemically similar substance or injected into a biological or physical system, can be traced by radiation detection devices, permitting determination of the distribution or location of the substance to which it is attached. Also known as radiotracer.
References in periodicals archive ?
For this purpose, in this study, taking advantage of HPLC and radioactive tracer assay, we examined the pharmacokinetic, tissue distribution and excretion of GS-Rd in rodents.
A patient undergoing MPS is given a radioactive tracer injection into the arm and returns the following day where the amount of tracer reaching the heart is imaged at the Trust's specialist unit at Huddersfield Royal Infir mar y.
They labeled the dye with a commonly used radioactive tracer and used a PET scanner to directly see plaque in a living person's brain.
In the past few decades, whole new areas of thought and exploration have been opened up by the sciences--by electronics, by astrophysics, by microbiology, by the study of nucleoproteins and their role in genetics, by radioactive tracer studies, and by nuclear physics.
Therefore, loculation of the radioactive tracer within an abdominal collection suggests pseudocyst formation.
Trent Falling, a general surgeon, ordered a hepatobilliary scan, whereby a small amount of radioactive tracer was injected into Kevin's bloodstream to identify whether ot not bile was successfully moving through the system into the small intestine.
One way of assessing blood flow is by using positron emission tomography (PET), which uses radioactive tracer molecules to track blood flow.
Whitlow said he had little experience with using it until Hurricane Katrina hit New Orleans, disrupting medical supplies and preventing his clinic from obtaining radioactive tracer for nuclear medicine studies.
In the preliminary study, researchers used an experimental radioactive tracer called iodofiltic acid I 123 (trade name Zemiva) to detect this use of glucose.
A special technique was used in the last stage of the gas injection pilot, whereby an environment-friendly radioactive tracer material, known as tritiated methane, was injected with the gas at the start-up.
SwRI drew on its long experience with radioactive tracer technology (RAIT) to develop the new tool.
Many radioactive tracer techniques have been used to investigate the reasons for reduced efficiency in modern plant operations.

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