Antimony-119 (119Sb)
Antimony-119 (half-life 38.19 h) is a pure Auger electron emitter (100% at 570 keV of a cascade of 23-24 low energy high LET electrons) with… Read More »Antimony-119 (119Sb)
Xenon-127 (127Xe)
Properties: Xenon-127 (127Xe) is a radionuclide with a half-life of 36.4 days emitting gammas (203 keV, 68%; 172 keV, 26%; 375 keV, 17%) and betas… Read More »Xenon-127 (127Xe)
Tin-117m (117mSn)
Properties: Tin-117m (117mSn) is both a gamma (SPECT) emitter with a photon at 159 keV (86%) and a therapeutic radionuclide through conversion electrons at about… Read More »Tin-117m (117mSn)
Xenon-133 (133Xe)
Properties: Xenon-133 (133Xe) is a beta emitter at 346 keV (95%) with a half-life of 5.24 days. It is available only as a gas form… Read More »Xenon-133 (133Xe)
Thorium-228 (228Th)
Properties: Thorium-228 (once called radiothorium due to its occurrence in the disintegration chain of Thorium-232) is an alpha emitter with a half-life of 1.91 years… Read More »Thorium-228 (228Th)
Thorium-227 (227Th)
Properties: Thorium-227 (once called Radioactinium) is an alpha emitter with a half-life of 18.7 days that decays into 223Ra (half-life 11.4 d; α, 76% at… Read More »Thorium-227 (227Th)
Iodine-125 (125I)
Properties: Iodine-125 (125I) is a gamma emitter at 35.5 keV (7%) with a half-life of 59.4 days. It also decays through an internally conversion process… Read More »Iodine-125 (125I)
Iodine-124 (124I)
Properties: Iodine-124 (124I) is a long half-life PET imaging radionuclide that can be covalently bound to any organic vector. It decays into stable 124Te with… Read More »Iodine-124 (124I)
Iodine-123 (123I)
Its nuclear properties are also almost ideal for SPECT studies. In parallel, the radionuclide 123I is a halogen and thus a very useful analog label… Read More »Iodine-123 (123I)
Indium-111 (111In)
Indium-111 is a radioactive isotope of the element indium with a half-life of approximately 2.8 days. It is commonly used in nuclear medicine for imaging… Read More »Indium-111 (111In)