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radioisotope Definition

radio·iso·tope (rā′dē ō īsə tōp′)

noun

a naturally occurring or artificially created radioactive isotope of a chemical element: used in medical therapy, biological research, etc.

radioisotope Usage Examples

Converse of object

  • use: Some methods use radioisotopes or X-ray sources which give the perception to the public that they are unsafe to use.
  • involve: Over 18 million diagnostic and therapeutic procedures involving radioisotopes are carried out each year.

Adjective modifier

  • short-lived: It relies on compounds labeled with very short-lived radioisotopes ( e.g. 11 C or 18 F ).
  • medical: Topics include discoveries of the transuranic elements, the actinide hypothesis, medical radioisotopes, the development of nuclear fission and extensive biographies.

Modifies a noun

  • study: Note: Fossil dating is NOT absolute and accurate dating can only be obtained from radioisotope studies.
  • imaging: There is a need within the biological community, especially for drug targeting, for subcellular radioisotope imaging ( ~10 microns ).
  • scan: The Nuclear Medicine department is sited at Sutton and performs a wide range of radioisotope scans.
  • production: Research Reactor Safety Research reactors continue to be widely used for radioisotope production, neutron beam utilization, material irradiation and other applications.
  • source: X-ray radiation can be generated using radioisotope sources or X-ray tubes.