is a technique for identifying cellular or tissue constituents (antigens) by means of antigen - antibody interactions
•Antigens:
- protein, glycoprotein, proteoglycans
•Antibodies:
- serum protein known as immunoglobulins
- formed in the humoral immune system by plasma cells
- there are five types of antibody found in the blood lgA, lgD, lgE, lgG and lgM.
- lgG is the commonest and the most frequently used antibody for in my job is to chemistry.