technetium 99

tech·ne·ti·um 99 (99Tc),

(tek-nē'shē-ŭm),
A radioisotope of technetium that is the decay product of technetium-99m and has a weak beta emission and a physical half-life of 213,000 years.
References in periodicals archive ?
Skeleton exploration was done by technetium 99 scintigraphy and did not reveal any abnormally high uptake.
In studies related to the efficacy of USG and scintigraphy in showing adenoma localization, it has been reported that Technetium 99 m sestamibi scintigraphy (MIBI) has low levels of success in the determination of lesions with a low PTH level and the diagnostic value of USG is higher in this type of lesions (29).
Technetium 99 scan reveals the radioactive uptake of thyroid tissue.
The results of Technetium 99 m (99 mTc) - labeled single photon emission computed tomography myocardial perfusion imaging (performed after intravenous injection of dipyridamole) revealed mild myocardial ischemia at the anteroapical wall persistently.
Operational definitions Myocardial Perfusion Scan (MPS) Myocardial perfusion SPECT scan was done using metastable Technetium 99 (Tc-99m) 2- methoxy-isobutyl-isonitrile (MIBI) or Thallium 201 (Tl-201) thallous chloride.
Kevin Rosso, the associate director for PNNL's Physical Sciences Division and other researchers, investigated the ability of iron-rich minerals in Hanford soil to change technetium 99 into a form that sticks in the soil.
Radioisotope scans (technetium 99 / gallium 67) are useful for monitoring treatment response.
The SDLP's Eddie McGrady, who has campaigned for the closure of the Cumbrian facility, welcomed moves to cut discharges of the radionuclide Technetium 99 by 90 per cent from the plant.
Trials will start this autumn on an alternative disposal method for controversial Technetium 99 (Tc-99).
The new scare comes after cancer-causing technetium 99 - which for years has been pouring into the Irish Sea from Sellafield - was found in Norway, which shares the same tidal chain with Scotland's west coast islands.
Alun Pugh, AM for Clwyd West, says the nuclear-reprocessing plant is putting residents in North Wales at risk by increasing discharges of the radioactive substance technetium 99 into the Irish Sea.
Contract notice: Open tender for the supply of molybdenum-99 generators, technetium 99 m necessary to meet the business needs of the usl romagna for the service activities of nuclear medicine in cesena, faenza, forlE1/4 and the irccs-irst