Question

What is ELISA test used for?

Accepted Answer

To detect presence of Ag or AbDirect ELISA →  Detect Ag using Ab bound to color-changing enzymeIndirect ELISA  → detect Ag-Ab complex using antibody bound to color-changing enzymeSuspected HIV → ELISA → ELISA (+) → western blot (confirmatory test)

Front	What is ELISA test used for?
Back	To detect presence of Ag or Ab Direct ELISA → Detect Ag using Ab bound to color-changing enzyme Indirect ELISA → detect Ag-Ab complex using antibody bound to color-changing enzyme Suspected HIV → ELISA → ELISA (+) → western blot (confirmatory test)

Elisa Detect Ag Ab Bound Color Changing Enzyme Test