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Types of Immunoassay

Chemiluminescenceimmunoassay(CLIA)
Chemiluminescenceimmunoassay(CLIA)

Chemiluminescence Immunoassay does not require long incubations and the addition of stopping reagents, as is the case in conventional colorimetric assays such as Enzyme-linked ImmunoSorbent Assays (ELISA).

Counting Immunoassay (CIA)
Counting Immunoassay (CIA)

Counting Immunoassay definition, categories, type and other relevant information provided by All Acronyms. CIA stands for Counting Immunoassay

image: drug-dev.com
Enzyme Immunoassays (EIA) or Enzyme
Enzyme Immunoassays (EIA) or Enzyme

Enzyme linked immunosorbent assays (ELISA), also known as enzyme immunoassays (EIA), are tests designed to detect antigens or antibodies by producing an enzyme triggered color change. All of the EIAs performed in the Diagnostic Serology Section are known as solid-phase assays.

Fluoroimmnoassay (FIA)
Fluoroimmnoassay (FIA)

Fluorescent Immunoassays (FIA) Fluorescent Immunoassays are simply a different type of immunoassay. The key variable is the biochemical technique used for detecting the binding of the “detection” antibody and the analyte molecule.

source: quidel.com
Radioimmunoassay (RIA)
Radioimmunoassay (RIA)

Radioimmunoassay (RIA)) Radioimmunoassay (RIA) Radioimmunoassay (RIA) is an in vitro assay that measures the presence of an antigen with very high sensitivity. Basically any biological substance for which a specific antibody exists can be measured, even in minute concentrations. RIA has been the first immunoassay technique developed to analyze nanomolar and picomolar concentrations of hormones in biological fluids.