Definition of radioimmunoassay in English:

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radioimmunoassay

Pronunciation: /ˌrādēōˌimyənōˈasā/

noun

Medicine
A technique for determining antibody levels by introducing an antigen labeled with a radioisotope and measuring the subsequent radioactivity of the antibody component.
Example sentences
  • Basal serum C peptide levels were measured by radioimmunoassay after an overnight fast.
  • Plasma folate levels were measured by radioimmunoassay for the quantitative determination of vitamin B 12 and folate in serum.
  • To confirm the diagnosis, allergen specific serum IgE was measured by radioimmunoassay according to the manufacturer's instructions.

For editors and proofreaders

Syllabification: ra·di·o·im·mu·no·as·say

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