>95% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 . Normally trehalose is added as protectant before lyophilization.
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 avoid repeated freeze-thaw cycles.
This product is stable after storage at:
Anti-SARS-CoV-2 RBD Potent Neutralizing Antibody, Chimeric mAb, Human IgG1 (AM128) on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.
Immobilized SARS-CoV-2 S protein RBD, His Tag (Cat. No. SPD-C52H3) at 1 μg/mL (100 μL/well) can bind Anti-SARS-CoV-2 RBD Potent Neutralizing Antibody, Chimeric mAb, Human IgG1 (AM128) (Cat. No. SPD-M128) with a linear range of 0.05-0.78 ng/mL (QC tested).
Serial dilutions of Anti-SARS-CoV-2 RBD Potent Neutralizing Antibody, Chimeric mAb, Human IgG1 (AM128) (Cat. No. SPD-M128) was detected by SARS-CoV-2 Inhibitor screening Kit with a half maximal inhibitory concentration (IC50) of 1.197 μg/mL (Routinely tested).
Serial dilutions of Anti-SARS-CoV-2 RBD Potent Neutralizing Antibody (Cat. No. SPD-M128) was incubated with SARS-CoV-2 pseudotyped virus at 37 ℃ for 1 hour. Afterward, Huh-7 cells were added, followed by incubation at 37 ℃ for 24h. Chemiluminescence detection was performed and the virus neutralization titers (IC50) is 0.03255 nM using the Reed-Muench method.
Anti-SARS-CoV-2 Spike RBD Neutralizing antibody (Cat.No. SPD-M128) neutralizes SARS-CoV-2 Spike RBD by inhibiting RBD:ACE2 interaction. The ACE2-coated plate is incubated with the wild type (WT) RBD or B.1.1.7, B.1.351, P.1, B.1.617.1 mutant and treated with the antibody at increasing concentration. Percent inhibition is calculated based on the OD value.
Loaded Anti-SARS-CoV-2 RBD Potent Neutralizing Antibody, Chimeric mAb, Human IgG1 (AM128) (Cat. No. SPD-M128) on AHC Biosensor, can bind SARS-CoV-2 S1 protein, His Tag (Cat. No. S1N-C52H4) with an affinity constant of 4.42 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
Price(USD) : $380.00
Price(USD) : $2500.00
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