You must choose between two widely accepted, commonly used c…

You must choose between two widely accepted, commonly used colorimetric enzyme immunoassay kits to measure a plasma protein that circulates at a moderately high concentration. Each kit uses a different enzyme and substrate. What is the most important consideration in making your choice?

An immunoassay is performed in the following manner to look…

An immunoassay is performed in the following manner to look for an antigen (Ag) in the patient serum: Patient serum + labeled Ag + known antibody (Ab) are added together and incubated. Unbound material is removed by a wash step. The amount of labeled Ag is then measured. What assay is performed?