A method of identification using immobilized, known antigens to identify unknown antibodies and vice versa, where the presence of the agent being tested for immediately brings about a color change is called ______.

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Quizplus · Accepted Answer

The method described where immobilized antigens are used to identify unknown antibodies and there is an immediate color change is characteristic of immunochromatography. ELISA, Western blotting, and radioimmunoassay can all use immobilized antigens or antibodies, but do not necessarily result in an immediate color change.

A Method of Identification Using Immobilized, Known Antigens to Identify