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immunoassay Definition

immuno·assay (im′yə nō as′ā, i myo̵̅o̅′nō-)

noun

a technique for analyzing, and measuring the concentration of, antibodies, hormones, etc. in the body, used in diagnosing disease, detecting the presence of a tumor or drug, etc.

Etymology: immuno- + assay

immunoassay Usage Examples

Adjective modifier

  • enzyme-linked: Serial measurements were made for various cytokines using specific enzyme-linked immunoassays ( ELISA ).
  • sensitive: To study repair, we have developed a sensitive immunoassay which uses antibodies to measure UV damage.

Converse of object

  • use: Serial measurements were made for various cytokines using specific enzyme-linked immunoassays ( ELISA ).
  • develop: To study repair, we have developed a sensitive immunoassay which uses antibodies to measure UV damage.
  • base: Principle The Multi-Drug One Step Screen Test Panel ( Urine ) is an immunoassay based on the principle of competitive binding.

Converse of subject

  • measure: Ferritin Serum ferritin was measured by immunoassay, a method which displays wide inter-laboratory variability.

Modifies a noun

  • kit: Although they are not yet practicable for general use, immunoassay kits for the detection of microcystins are available.
  • system: The agreement provides Bayer the right to use tests employing this monoclonal antibody on its automated immunoassay systems.
  • technique: The system is low-cost, fast, and more sensitive than other immunoassay techniques currently available.
  • test: Intended use and summery Urine based screen tests for multiple drugs of abuse range from simple immunoassay tests to complex analytical procedures.

Noun used with modifier

  • enzyme: Rotavirus can be detected by electron microscopy, enzyme immunoassay ( EIA ), or PCR.
  • sandwich: Both products are one-step pregnancy tests that utilize a sandwich immunoassay principle.