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Human
Purified Human CD28 Protein.
APC
Excitation Wavelength: 640 nm
Emission Wavelength: 661 nm
Lyophilized from 0.22 μm filtered solution in PBS, 0.2% BSA, 0.03% Proclin 300, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please protect from light and avoid repeated freeze-thaw cycles.
This product is stable after storage at:
Flow cytometric analysis of Human peripheral blood lymphocytes respectively staining with APC-Labeled Monoclonal Anti-Human CD28 Antibody, Mouse IgG1 (Cat. No. CD8-AHFC1) at 1:50 dilution (2 μL of the antibody stock solution corresponds to labeling of 1e6 cells in a final volume of 100 µL), compared with isotype control antibody. APC signal was used to evaluate the binding activity (QC tested).
Non-specificity of APC-Labeled Monoclonal Anti-Human CD28 Antibody, Mouse IgG1 (Cat. No. CD8-AHFC1) binding to CD3- cells present in human PBMC. Human PBMCs were simultaneously stained with FITC anti-human CD3 Antibody and APC-Labeled Monoclonal Anti-Human CD28 Antibody, Mouse IgG1 (2 μL of the antibody stock solution corresponds to labeling of 5e5 cells in a final volume of 100 µL), washed and then analyzed with FACS. FITC negative signals and APC positive signals were used to evaluate the non-specific binding activity to human CD3- cells (Routinely tested).
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