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|Serum||116.1||105% - 123%|
|Plasma||118.1||99% - 126%|
Abcam’s IgG Human ELISA (Enzyme-Linked Immunosorbent Assay) kit is an in vitro enzyme-linked immunosorbent assay for the quantitative measurement of Human IgG in serum and plasma. (UniprotID: Q60590)
The Human immune system consists of two functional components classified as the innate system (the physical, biochemical and cellular barriers), and the adaptive immune system (including lymphocytes and immunoglobulins). Immunoglobulins are the key elements of the humoral immune response in vertebrate against parasitic invasion.
The polypeptide chains of immunoglobulins composed of two identical heavy (H) chains and two identical light (L) chains linked together by inter-chain disulfide bonds. While the amino-terminal portions that exhibits highly variable amino-acid composition are involved in antigen binding, the C terminal constant parts are involved in complement binding, placental passage and binding to cell membranes. Based upon the variation of the constant region of the heavy chain, nine immunoglobulin heavy chain isotypes are found in humans: IgA (with subclasses IgA1 and IgA2), IgD, IgE, IgM, and IgG (with subclasses IgG1, IgG2, IgG3, and IgG4).
IgG is the predominant immunoglobulin in the serum, which accounts for 75% of the total serum antibody of healthy individuals. IgG has a molecular weight of about 150 kDa. Four distinct subgroups of human IgG (IgG1, IgG2, IgG3, and IgG4) were first demonstrated in the 1960’s by using polyclonal antisera prepared in animals immunized with human myeloma proteins.
The capture antibody of the kit ab100547 detects the Fc portion of the heavy chain of all subclasses of human IgG and the detection antibody detects the F(ab’)2 fragment of IgG.
|内容||1 x 96 tests|
|20X Wash Buffer Concentrate||1 x 25ml|
|4,000X HRP-Streptavidin Concentrate||1 x 200µl|
|5X Assay Diluent||2 x 15ml|
|Biotinylated anti-Human IgG||2 vials|
|IgG Microplate (12 x 8 wells)||1 unit|
|Recombinant Human IgG Standard||2 vials|
|Stop Solution||1 x 8ml|
|TMB One-Step Substrate Reagent||1 x 12ml|
Our Abpromise guarantee covers the use of ab100547 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|Sandwich ELISA||Use at an assay dependent concentration.|