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>MABSol® Inhibitors Screening Kits
>PD-1 [Biotinylated] : PD-L1 Inhibitor Screening ELISA Assay Pair
|A001-214||Human PD-L1||25 μg||125 μg|
|A002-214||Human PD-1-Biotin||5 μg||25 μg|
|A003-214||Streptavidin-HRP||5 μg||25 μg|
|PD1-NA001||Anti-PD-1 Neutralizing Antibody||20 μg||100 μg|
See Certificate of Analysis for details of reconstitution instruction and specific concentration.
See Certificate of Analysis for details of storage conditions.
Be sure to store each component at the proper tempe rature upon arrival
Avoid freeze/thaw cycles upon reconstituted.
No activity loss was observed after storage at:
Room temperature (RT) for 1 month in lyophilized state. -20°C for 1 year in lyophilized state. -80°C for 2 months under sterile conditions after reconstitution.
Binding of Biotinylated Human PD-1 to Immobilized Human PD-L1 in a Functional ELISA Assay
Immobilized human PD-L1 protein at 2 μg/mL (100 μL/well) can bind human PD-1-Biotin with a linear range of 0.038 - 0.6 μg/mL when detected by Streptavidin-HRP. Background was subtracted from data points before curve fitting.
Inhibition of PD-1-PD-L1 binding by Anti-PD-1 Neutralizing Antibody (Cat. No. PD1-NA001) measured using the PD-1 [Biotinylated] : PD-L1 Inhibitor Screening ELISA Assay Pair (Cat. No. EP-101)
Serial dilutions of anti-PD-1 neutralizing antibody (Cat. No. PD1-NA001) (1:2 serial dilutions, from 10 μg/mL to 0.078 μg/mL (66.667 nM to 0.521 nM) was added into PD-L1 : PD-1-Biotin binding reactions. The assay was performed according to the above described protocol. Background was subtracted from data points prior to log transformation and curve fitting.
In case of a failed experiment, please check the expiration dates and status of the individual reagents first, and make sure that all reagents have been reconstituted and stored as recommended. In addition, please make sure that all equipment are functioning properly.
Below is a list of common problems that can occur during an assay, and some tips that may help solve the problems and improve your results.
For detailed information or for further support, please contact our technical support team at:
|High background||Insufficient washing or blocking||
|Sample solvent contains inhibiting factors||
|The TMB Substrate Working Solution is not fresh||
|Colorimetric signal is erratic||Inconsistent pipetting or dilution methods||
|TMB Substrate Working Solution is not completely mixed with the reaction solution||
|Bubbles in the wells||
|Signal is too high||
|Signal of positive control is weak or abnormal||Human PD-1-Biotin, Human PD-L1 or streptavidin- HRP may have lost activity||
|Errors in instrument settings||
|Substrate Stock Solution is outdated; Incubation temperature is incorrect; Incubation time is not sufficient||
|Inadequate color development||Incomplete removal of residual buffers during previous steps||
|Problems with conjugate or color reagents||
Price(USD) : $600.00
Inventory : In stock
Price(USD) : $2150.00
Inventory : In stock
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