Which of the following statements best describes how lateral flow assays demonstrate the presence of bacterial,fungal,and viral antigens?
A) During the assay, bacterial antigens present in a specimen are pretreated by coating them with colloidal gold prior to binding to an antibody.
B) A positive test results from the binding of the conjugated antibody and antigen to a fixed antibody directed against the antigen in the capture zone.
C) A positive test results from the precipitation of the antigen-antibody complex in the capture zone.
D) Migration of labeled antigen to the capture zone produces a positive result.
Correct Answer:
Verified
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