radioactive marker

radioactive marker

A compound containing a radio-isotope atom whose movement through a chemical reaction can be monitored by virtue of the radiation emitted.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
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Through systemic action, NSAIDS can increase the permeability of bowel mucosa [8, 9] (confirmed by scintigraphy with radioactive marker) as well, which induces increased protein losing into the bowel.
The equipment, housed in a new unit named after Sir Bobby at Newcastle University, creates a radioactive marker made from fluorine which can be injected into the body and shows up under scans.
Herbie Newell, Professor of Cancer Therapeutics at the Northern Institute for Cancer Research, Newcastle University, said: "Before this, we had to get the radioactive marker from the South of Eng-land which would be transported by the motorway and it was unreliable and expensive.
The researchers examined nicotine receptors in the brain by using a radioactive marker that binds specifically to an important group of receptors that are primarily responsible for the body's physical dependence on nicotine, Cosgrove said.
Radionucleotide myelography (99mTC-DTPA) revealed a duropleural fistula (T9 to T10) at four hours and radioactive marker in left pleura and chest tube at 24 hours (Figures 1A and 1B).
And tagging the molecule with a radioactive marker could enable doctors to track spreading prostate cancer.
In addition, tagging the molecule with a radioactive marker could enable doctors to track spreading prostate cancer by revealing its precise location in the body.
In addition, tagging the molecule with a radioactive marker could enable doctors to track spreading prostate cancer, revealing precisely where in the body it is growing.
The actual size of the lungs can also be estimated through physically measuring the dimensions of the chest, using chest x-rays, or injecting a radioactive marker to obtain an image of them.
Unlike standard tests such as an exercise stress ECG (which measures the rhythm and electrical activity of the heart) or a stress thallium (in which a radioactive marker is put into the bloodstream to reveal blood supply to the heart muscles), this scanner can identify heart disease up to 15 years before symptoms appear.
It requires no fluorescent or radioactive marker to check for affinity binding of a target protein with a potential drug.

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