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|Cell culture supernatant||92.27||80% - 100%|
|Serum||114.7||104% - 124%|
|Plasma||90.19||78% - 100%|
Abcam’s CD40 Human ELISA (Enzyme-Linked Immunosorbent Assay) kit is an in vitro enzyme-linked immunosorbent assay for the quantitative measurement of Human CD40 in serum, plasma, and cell culture supernatants.
This assay employs an antibody specific for Human CD40 coated on a 96-well plate. Standards and samples are pipetted into the wells and CD40 present in a sample is bound to the wells by the immobilized antibody. The wells are washed and biotinylated anti-Human CD40 antibody is added. After washing away unbound biotinylated antibody, HRP-conjugated streptavidin is pipetted to the wells. The wells are again washed, a TMB substrate solution is added to the wells and color develops in proportion to the amount of CD40 bound. The Stop Solution changes the color from blue to yellow, and the intensity of the color is measured at 450 nm.
Optimization may be required with urine samples.
|内容||1 x 96 tests|
|20X Wash Buffer Concentrate||1 x 25ml|
|5X Assay Diluent B||1 x 15ml|
|5X Assay Diluent D||1 x 15ml|
|500X HRP-Streptavidin Concentrate||1 x 200µl|
|Biotinylated anti-human CD40||2 vials|
|CD40 Microplate (12 strips x 8 wells)||1 unit|
|CD40 Standard Human(recombinant)||2 vials|
|Stop Solution||1 x 8ml|
|TMB One-Step Substrate Reagent||1 x 12ml|
Our Abpromise guarantee covers the use of ab99990 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.|