In a Competitive-Binding Heterogeneous Assay, the Captive Phase Involves

question 3

Multiple Choice

In a competitive-binding heterogeneous assay, the captive phase involves:

• A)the removal of endogenous binding proteins that interfere with the immunoassay
• B)the binding of the labeled reactant in the assay
• C)the capture of free, unlabeled ligands from the patient sample for use in the assay of free ligand alone
• D)the initial step in the assay where the antibody binds with the ligand

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