Radionuclides
Lead-203 (203Pb)
Lead-203 (203Pb) is a stable isotope of the element lead, with 82 protons and 121 neutrons in its nucleus. It is not a radioactive isotope… Read More »Lead-203 (203Pb)
Oxygen-15 (15O)
Oxygen-15 is a radioisotope, often used in positron emission tomography (PET). It can be used in, among other things, water for PET myocardial perfusion imaging and for brain imaging. It has an atomic mass… Read More »Oxygen-15 (15O)
Thallium-201 (201Tl)
Properties:Thallium-201 (201Tl) is a SPECT radionuclide decaying in 72.9 hours with a gamma emission at 167 keV (10%) but also beta emissions at 316 keV… Read More »Thallium-201 (201Tl)
Technetium-99m (99mTc)
The pair 99Mo (t½= 66 h)/99mTc (t½= 6 h) represents a transient equilibrium system. The radiochemical general design of a 99Mo/99mTc generator is to absorb 99Mo as… Read More »Technetium-99m (99mTc)
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