Recombinant Anti-Human CD28 mAb

 Characteristics: 

 

Source                       Chinese Hamster Ovary cell lin

 

Description                Isotype: Mouse IgG1/Kappa

                      

Predicted molecular    150 kDa

Mass

Specification:

 

Appearance               Colorless clear liquid

 

Purity                          ≥95%, by SDS-PAGE (under reducing (R) & Non-reducing conditions, visualized by Coomassie staining)

 

Endotoxin                  ≤1 EU/mg by the LAL method

 

Activity                       Measure its binding ability with Jurkat cells using flow cytometry. The ED50of this effect is less than 30 ng/mL.
 

Formulation               0.22 μm-filtered solution containing PBS, pH 7.4

Size                            1 mg/vial

 

Handling and Storage:

 

Shipping                      The product is shipped with blue ice

Storage & Stability      24 months at -20°C to -80°C under sterile conditions

                                    6 months at 2°C to 8°C under sterile conditions
                                    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
                   

Bioactivity:

 

 Recombinant Anti-Human CD28 mAb (Cat. No. mlC02302 ) binding with Jurkat cells. The ED50  for this effect is less than 30 ng/mL.