ACROBiosystems/Anti-Bevacizumab Antibodies (recommended for neutralizing assay)/1mg (500ug × 2)/BEB

价格
¥39600.00
货号:BEB
浏览量:127
品牌:ACROBiosystems
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商品描述
  • Source
    Mouse monoclonal antibody is produced from a hybridoma resulting from fusion of SP2/0 myeloma and B-lymphocytes obtained from a mouse immunized with Bevacizumab F(ab")2.
  • Isotype
    IgG1/kappa
  • Specificity
    Recognizes Bevacizumab specifically, no cross reactivity with other humanized antibodies.
  • Purity

    >95% as determined by SDS-PAGE.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in Tris with Glycine, Arginine and NaCl, pH7.5. Normally trehalose is added as protectant before lyophilization.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    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:

    1. 4-8°C for 12 months in lyophilized state;
    2. -70°C for 3 years under sterile conditions after reconstitution.
SDS-PAGE
Anti-Bevacizumab Antibodies (recommended for neutralizing assay) (Cat. No. BEB-Y12) SDS-PAGE gel

Anti-Bevacizumab Antibodies (recommended for neutralizing assay) on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

Bioactivity-ELISA
Anti-Bevacizumab Antibodies (recommended for neutralizing assay)Anti-Bevacizumab Antibodies (recommended for neutralizing assay) (Cat. No. BEB-Y12) ELISA bioactivity

Anti-Bevacizumab Antibodies bridging ELISA for Anti-Drug Antibody (ADA) assay development. Immobilized bevacizumab at 0.05 µg/mL, add increasing concentrations of Anti-Bevacizumab Antibodies (recommended for neutralizing assay) (Cat. No. BEB-Y12, 10% human serum) and then add biotinylated bevacizumab at 5 µg/mL. Detection was performed using HRP-conjugated streptavidin with a sensitivity of 62 ng/mL.

Protocol
Anti-Bevacizumab Antibodies (recommended for neutralizing assay)Anti-Bevacizumab Antibodies (recommended for neutralizing assay) (Cat. No. BEB-Y12) ELISA bioactivity

Demonstration of the specificity of Anti-Bevacizumab Antibodies (recommended for neutralizing assay) (Cat. No. BEB-Y12) to the bevacizumab.

Protocol
Anti-Bevacizumab Antibodies (recommended for neutralizing assay)Anti-Bevacizumab Antibodies (recommended for neutralizing assay) (Cat. No. BEB-Y12) ELISA bioactivity

Measured by its neutrlizing ability in a functional ELISA.Immobilized bevacizumab at 2 μg/mL (100 μL/well) can bind pre-mixed Anti-Bevacizumab Antibodies (recommended for neutralizing assay) (Cat. No. BEB-Y12) and Biotinylated Human VEGF 165 (Cat. No. VE5-H82Q0) with a inhibition rate of 96%.

Protocol
Bioactivity-SPR
Human_FcRn_Heterodimer_Protein_SPR

Anti-Bevacizumab Antibodies (recommended for neutralizing assay) (mouse IgG1, Cat. No. BEB-Y12) captured on CM5 chip via anti-mouse antibodies surface, can bind human bevacizumab with an affinity constant of 0.08 nM.

Protocol
  • Background
    A recombinant humanized monoclonal IgG1 antibody that binds to and inhibits the biologic activity of human vascular endothelial growth factor (VEGF). Bevacizumab contains human framework regions and the complementarity-determining regions of a murine antibody that binds to VEGF. Bevacizumab is produced in a Chinese Hamster Ovary mammalian cell expression system in a nutrient medium containing the antibiotic gentamicin and has a molecular weight of approximately 149 kilodaltons.
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

ACROBiosystems治疗性抗体的功效不仅取决于Fab片段及其与靶抗原的结合活性,还取决于Fc片段及其与关键Fc受体的相互作用。Fc片段对FcRn的结合亲和力(FCGRT&B2M)将预测抗体的半衰期,而Fc片段与FcγRIIIa(CD16a)之间的结合亲和力将影响抗体引发ADCC的能力(抗体依赖性细胞介导的细胞毒性)。因此,必须在抗体工程化过程中针对一组受体测试候选人。ACROBiosystems提供了完整的重组Fc受体蛋白集合,包括它们的常见变体,以帮助您加快mAb的开发。