Streptococcus grouping test. This is the Streptocard acid latex test, used to identify serotypes (subtypes) of beta-haemolytic Streptococcus bacteria.
Streptococcus grouping test. This is the Streptocard acid latex test, used to identify serotypes (subtypes) of beta-haemolytic Streptococcus bacteria. This test identifies serotypes A, B, C, D, F and G, the medically most important serotypes. The serotypes are characterised by the type of carbohydrate found on the bacterial cell wall. Each bottle contains a solution of latex particles with the antibody for one of the carbohydrates attached. A sample of the bacteria is mixed with each solution in the relevant circle on the card. The correct combination of antibody and antigen (carbohydrate) causes agglutination (clumping). Identification of the serotype is important for correct treatment.
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