enzyme-linked immunosorbent assay

Definition / meaning of enzyme-linked immunosorbent assay

A laboratory technique that uses antibodies linked to enzymes to detect and measure the amount of a substance in a solution, such as serum. The test is done using a solid surface to which the antibodies and other molecules stick. In the final step, an enzyme reaction takes place that causes a color change that can be read using a special machine. There are many different ways that an enzyme-linked immunosorbent assay can be done. Enzyme-linked immunosorbent assays may be used to help diagnose certain diseases. Also called ELISA.

Listed under:

Find More About 'enzyme-linked immunosorbent assay'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

Leave a Comment