Phosphorus-32
Phosphorus-32 (32P) is a radioactive isotope of phosphorus, containing one more neutron than the common and stable isotope of phosphorus, phosphorus-31. Phosphorus is found in many organic molecules, and so, phosphorus-32 has many applications in medicine, biochemistry, and molecular biology where it can be used to trace phosphorylated molecules (for example, in elucidating metabolic pathways) and radioactively label DNA and RNA. == Decay == Phosphorus-32 has a short half-life of 14.269 days and decays into sulfur-32 by beta decay as shown in this nuclear equation: 1.711 MeV of energy is released from this decay.