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ELISA, part of the Immunology Lab, description reads: "Components of the immune system called antibodies are found in the liquid portion of blood and help protect the body from harm. Antibodies also can be used also outside the body in a laboratory-based assay to help diagnose disease...This virtual laboratory will demonstrate how such a test, termed an enzyme-linked immunosorbent assay (ELISA), is carried out and some of the key experimental problems that may be encountered.
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