radioactive iron


Also found in: Acronyms.

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.

Full browser ?