Iodine-124

From Wikipedia, the free encyclopedia

Iodine-124 or ¹²⁴I is an isotope of iodine. This isotope is not stable and therefore is radioactive, also called a radioisotope. It has a half-life of 4.18 days. Modes of Decay: 74.4% electron capture, 25.6% positron emission. ¹²⁴I decays to ¹²⁴Te.

[edit] Uses

Iodine-124 is used in medicine as a radiotracer in the body. It can be chemically bonded to a pharmaceutical and injected into the body. Positron Emission Tomography or PET is used to visualize the isotope in the body. Visualization is possible in PET because of the positron release by the iodine nucleus.

[edit] Preparation

Iodine-124 can be made by numereous nuclear reactions via a cyclotron. The most common starting material used is ¹²⁴Te.

[edit] See also

• Iodine
• Isotopes of iodine
• cyclotron
• Positron Emission Tomography

Retrieved from "http://en.wikipedia.org../../../i/o/d/Iodine-124.html"

Categories: Iodine | Isotopes | Nuclear medicine

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• This page was last modified 13:51, 2 December 2006 by Wikipedia user Doldrums. Based on work by Wikipedia user(s) The Rambling Man, Bluebot, Emmett5, Darth Sader and Larchoye and Anonymous user(s) of Wikipedia.
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