| Items | Size （5mg） | Size（5mg X 2） |
| Particle size | 2 μm | 2 μm |
| Physical appearance | Powder mixture | Powder mixture |
| Amount of Coupled Protein | ≈1000 pmol/mg Beads | ≈1000 pmol/mg Beads |
| Formulation | PBS, pH7.4, with 10% Trehalose | PBS, pH7.4, with 10% Trehalose |
| Reconstitution | 5 mL sterile deionized water (1 mg beads/mL) | 5 mL sterile deionized water (1 mg beads/mL) |
See Certificate of Analysis (CoA) for detailed instruction.
Streptavidin (SA) has an extraordinarily high affinity for biotin with a dissociation constant (Kd) on the order of 10−14 mol/L, the Biotinylated protein can bind to the SA beads irreversibly. The Magenetic beads are pre-coupled with Streptavidin tetramer protein and blocked with BSA, it is a ready-to-use beads, which can be used for binding biotinylated proteins and antibodies.
Immobilized 40 μg SARS-CoV-2 S1 protein to 1mg Beads add sample Anti-SARS-CoV-S protein RBD Antibody, detection Goat anti-Human IgG Fc Secondary Antibody, PE, with an EC50 0.1750 μg/mL (Routinely tested).
Freeze-thaw stability test. Immobilized 40 μg SARS-CoV-2 S1 protein to 1mg Beads, after different freeze-thaw cycles, add sample Anti-SARS-CoV-S protein RBD Antibody, detection Goat anti-Human IgG Fc Secondary Antibody, PE, showed little deviation from the unfreeze-thaw sample (RSD<10%). Three freeze-thaw cycles were performed (Routinely tested).
Accelerated stability test. Immobilized 40 μg SARS-CoV-2 S1 protein to 1mg Beads, after placing the lyophilized beads at 37°C for 7 daysadd sample Anti-SARS-CoV-S protein RBD Antibody, detection Goat anti-Human IgG Fc Secondary Antibody, PE, showed little deviation from the unfreeze-thaw sample (RSD<10%). Data were measured on day 0, 3, 7 respectively (Routinely tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
Price(USD) : $210.00
Price(USD) : $350.00
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