<unk>  is a radioactive isotope of<unk>  with 95 protons and electrons and 147 neutrons and a mass of<unk> .0595492 g/mol. It has a half-life of approximately 141 years. It either decays by isomeric transition (with a decay energy is 0.05MeV), by spontaneous fission, or by emitting an alpha particle (the decay energy is 5.64 MeV) to turn into Neptunium-238).
Americium-242
Americium-243
Beta-2 transferrin
Apolipoprotein
Lipoprotein
Carrier protein
Hemoglobin
Pro-ana