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Radioactivity in biology
Radioactivity in the life sciences is used as a radiolabel, these in some applications have been substituted by fluorescent dyes. These radionuclei are synthesised in particle accelerators and have short half lives, giving them high maxium theorectical specific activity, lowering the time that is needed for them to be detected, compared to radionuclei with longer half lives like carbon-14.
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