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Enzyme-linked immunosorbent assay

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enzyme-linked immunosorbent assay
n.
ELISA.
Enzyme-linked immunosorbent assay (ELISA)
A diagnostic blood test used to screen patients for AIDS or other viruses. The patient's blood is mixed with antigen attached to a plastic tube or bead surface. A sample of the patient's blood serum is added, and excess proteins are removed. A second antibody coupled to an enzyme is added, followed by a chemical that will cause a color reaction that can be measured by a special instrument.
Mentioned in: AIDS Tests, Giardiasis
enzyme-linked immunosorbent assay (enˑ·zīm-linkd′ imˈ·myun·ō·sorˑ·bnt aˑ·say),
n technique used to identify particular antibodies or antigens using enzyme-labeled immunoreactants. Reaction products are recorded by photometry or fluorometry. Commonly used to diagnose HIV infections.
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Enzyme-linked immunosorbent assay.
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