The Anti-B reagent is for the in vitro detection and identification of the B antigen on human red blood cells by direct agglutination. The formulation also contains sodium chloride and EDTA and 1g/l sodium azide. The reagent is coloured yellow with tartrazine.
Name of Blood Group | Antigens present on the red cell surface | ABO antibodies present in the plasma |
---|---|---|
Type O | nil | anti-A and anti-B |
Type A | A antigen | anti-B |
Type B | B antigen | anti-A |
Type AB | A and B antigens | nil |