After rinsing to remove unbound antigen, another aliquot of the monoclonal antibody is added to the well. The antibodies in this aliquot are modified so that they carry what is known as a reporter enzyme. A reporter enzyme is designed to produce a color change when the enzyme reacts with its substrate.
Phlebotomists [edit]. Phlebotomists are people trained to draw blood from a patient for clinical or medical testing, transfusions, donations, or research. Phlebotomists collect blood primarily by performing venipunctures, (or, for collection of minute quantities of blood, fingersticks).hlebotomy (from the Greek words phlebo- , meaning pertaining to a blood vessel, and-tomy, meaning to make an incision) is the process of making an incision in a vein with a needle.
Phlebotomists collect blood for donation or for testing so the blood can be analyzed in a clinical laboratory. Blood tests are used to diagnose illness, evaluate the effectiveness of medications and determine whether a patient is receiving proper nutrition.he phlebotomist then locates a vein and inserts a needle, a process called venipuncture.. Phlebotomists can also sample blood through skin puncture, such as pricking a finger to test a patientâs blood sugar or determine blood type.