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|Serum||105||90% - 130%|
Abcam’s CD28 Human in vitro ELISA (Enzyme-Linked Immunosorbent Assay) kit is designed for accurate quantitative measurement of Human CD28 concentrations in cell culture supernatant and serum.
CD28 specific antibodies have been precoated onto 96-well plates. Standards and test samples are added to the wells along with a biotinylated CD28 detection antibody then incubated at room temperature and washed. A Streptavidin-HRP conjugate is then added to each well, incubated at room temperature and washed. TMB is added and catalyzed by HRP to produce a blue color product that changes into yellow after addition of acidic stop solution. The density of yellow coloration is directly proportional to the amount of CD28 sample captured in plate.
|内容||1 x 96 tests|
|20X Assay Buffer Concentrate||1 x 5ml|
|20X Wash Buffer Concentrate||1 x 50ml|
|Adhesive Films||4 units|
|Biotin-Conjugate anti-Human CD28 monoclonal antibody||1 x 100µl|
|Human CD28 Standard, lyophilized (100 ng/mL on reconstitution)||2 vials|
|Microplate coated with monoclonal antibody to CD28 (12 x 8 wells)||1 unit|
|Sample Diluent||1 x 12ml|
|Stop Solution (1M Phosphoric acid)||1 x 15ml|
|Streptavidin-HRP||1 x 150µl|
|TMB Substrate Solution||1 x 15ml|
Our Abpromise guarantee covers the use of ab119514 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.|
ab119514 has not yet been referenced specifically in any publications.