radioactive iron


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radioactive iron

Any of the radionuclides of iron, the most commonly used of which are beta- and gamma-emitting 59Fe, which has a half-life of 44.5 days, and 55Fe, which decays by electron capture and has a half-life of 2.74 years. 59Fe and 55Fe are not used clinically.
References in periodicals archive ?
The radioactive iron experiment on the pregnant women was at Vanderbilt University.
There's another advantage of the cell-based test: Currently, researchers who conduct most human and animal feeding studies of iron uptake have to add a minute amount of radioactive iron to a food sample so they can track absorption of the iron in it.
At a state school in Fernald, Massachusetts, nineteen mentally retarded teenage boys were exposed to radioactive iron and calcium in their breakfast cereal.
The researchers sought particles of iron-60, a radioactive iron isotope produced abundantly in supernovas but having few other sources in the solar system.
In this regard, the report points to studies in which researchers exposed people to plutonium and other radioactive materials "with no clear therapeutic or diagnostic potential," in which researchers irradiated the testicles of prisoners, and in which pregnant women received radioactive iron as part of a study on uptake of the metal by the fetus.

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