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IgG assay

Product Method Size Catalog Price Quantity
IgG assay Immunoturbidimetric R1 3 x 20ml, R2 3 x 14ml IG3833 $1349.49
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  • Format
    Liquid ready to use
  • Working Stability 15-25 °C
  • Working Stability 2-8 °C
    28 days
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Intended Use

An IgG test system is a device intended for the quantitative in vitro determination of immunoglobulin G (IgG) concentration in serum and plasma. This product is suitable for use on the RX Series instruments which includes the Rx Daytona and Rx Imola.

Clinical Significance

Immunoglobulin G (IgG) is the smallest yet most abundant of the five immunoglobulin antibodies it is found in all bodily fluids and makes up approximately 75-80% of all antibodies. IgG is involved mainly in the secondary immune response and is important in fighting bacterial and viral infections.

IgM is the only antibody capable of crossing the placenta and providing protection to unborn babies.

Measurement of IgG is the basis of the serological diagnosis of several infectious diseases. Uses of IgG measurement include diagnosis of infectious and inflammatory diseases, diagnosis of malignancies, to detect the presence of soluble antigens and monitoring therapy in myeloma.


Sample containing human IgG is suitably diluted and then reacted with specific antiserum to form a precipitate, which is measured turbidimetrically at 340 nm. By constructing a standard curve from the absorbances of standards, the IgG concentration of sample can be determined.