Alpha Emitters
At the ITU work is being done on Alpha-Immunotherapy, this is an experimental method where antibodies bearing alpha isotopes are used. Bismuth-213 is one of the isotopes which has been used. This is made by the alpha decay of Ac-225. The generation of one short-lived isotope from longer lived isotope is a useful method of providing a portable supply of a short-lived isotope. This is similar to the generation of technetium-99m by a technetium cow. The actinium-225 is made by the irradiation of radium-226 with a cyclotron.
Read more about this topic: Unsealed Source Radiotherapy, Experimental Antibody Based Methods
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