radioimmunoassay Hear it!

radioimmunoassay Definition

☆ radio·im·mu·no·as·say (-im′yo̵o nō as′ā, -a sā′)

noun

the technique of immunoassay in which radioactive tracers are introduced into the substance to be analyzed

radioimmunoassay Usage Examples

Converse of object

  • develop: The authors developed a radioimmunoassay to provide further evidence that cAMP exists in plants and may therefore function as a second messenger.

Converse of subject

  • measure: Plasma sampling was performed every 2 hr for 24 hr and melatonin concentrations were measured by radioimmunoassay.