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- ProductSizeAmountCellectra Streptavidin nBeads, Research grade (for cells)1 mL Reconstitution BufferFor 10⁹ total cells
产品描述（Product Description）
Cellectra Streptavidin nBeads are dextran-coated superparamagnetic nanoparticles conjugated with high-affinity recombinant streptavidin. They are designed for highly efficient positive or negative selection of cells using biotinylated antibodies or ligands.
The beads are manufactured under sterile ISO 5 conditions with no animal- or human-derived components. Each batch undergoes rigorous quality control, including sterility, endotoxin, and functional validation.应用说明（Application）
Cellectra Streptavidin nBeads enable flexible isolation of a wide range of cell types from human, mouse, rat, and non-human primate samples. They are compatible with column-based magnetic separation systems. Ideal for:
Positive or negative selection of immune cells (T cells, B cells, monocytes, dendritic cells)
Isolation of stem cells, rare cell populations, and circulating tumor cells
CAR-T cell enrichment (biotinylated target proteins or biotinylated anti-G4S linker antibody)存储（Storage）
This product is stable in storage under the following conditions: -20°C for 36 months in lyophilized state. 2-8°C for 12 months under sterile conditions after reconstitution.
Please avoid repeated freeze-thaw cycles after reconstitution. Immediate use after reconstitution is highly recommended.
无菌（Sterility）
Negative
内毒素（Endotoxin）
Less than 2 EU per mL by the LAL method / rFC method.
支原体（Mycoplasma）
Negative
注意事项（Important Note）
This product is for research use only and not intended for therapeutic or in vivo diagnostic use.
制剂（Formulation）
Please contact us for detailed information.
Contact us for customized product form or formulation.
质量管理控制体系（QMS）
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数据展示
流式数据 -FACS Data
The CD3+ cells isolated from Human PBMCs by Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003).
Human PBMCs were isolated with 0.1 µg Biotinylated Anti-Human CD3 Antibody, Mouse IgG2a,Avitag (Clone: OKT3), premium grade (Cat. No. CDE-BV84G0) and 10 μL Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003) . Both the isolated cells and non-isolated cells were stained with FITC anti-human CD3 Antibody and subsequently analyzed using FCS Express 7 software (QC tested).Protocol
应用数据（Application Data）
The anti-BCMA+ CAR-T cells isolated by Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003).
Anti-BCMA CAR-T cells were isolated with 0.6 µg Biotinylated monoclonal anti-G4S linker antibody, Rabbit IgG (016), premium grade (Cat. No. G4S-BLM25G0) and 20 μL Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003). Both the isolated cells and non-isolated cells were stained with PE-labeled human BCMA/TNFRSF17 protein, His Tag, Star Staining (Cat. No. BCA-HP2H7) and subsequently analyzed using FCS Express 7 software (Routinely tested).
The anti-BCMA+ CAR-T cells isolated by Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003).
Anti-BCMA CAR-T cells were isolated with 0.1 µg of Biotinylated human BCMA/TNFRSF17 protein, His, Avitag™, premium grade (Cat. No. BCA-H82E4) and 20 μL Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003). Both the isolated cells and non-isolated cells were stained with PE-labeled monoclonal anti-G4S linker antibody, Rabbit IgG (016), (0.03% Proclin), (Cat. No. G4S-PFMY25) and subsequently analyzed using FCS Express 7 software (Routinely tested).
The anti-BCMA+ CAR-T cells isolated by Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003).
Anti-BCMA CAR-T cells were isolated with 0.3 µg of Biotinylated Anti-C11D5.3 scFv (3G8C1) antibody and 5 μL Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003). Both the isolated cells and non-isolated cells were stained with PE-labeled human BCMA/TNFRSF17 protein, His Tag, Star Staining (Cat. No. BCA-HP2H7) and subsequently analyzed using FCS Express 7 software (Routinely tested).
The anti-CD19+ CAR-T cells isolated by Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003).
Anti-CD19 CAR-T cells were isolated with 0.6 µg Biotinylated monoclonal anti-G4S linker antibody, Rabbit IgG (016), premium grade (Cat. No. G4S-BLM25G0) and 20 μL Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003). Both the isolated cells and non-isolated cells were stained with Alexa Fluor 647-Labeled Monoclonal Anti-FMC63 Antibody, Rabbit IgG (M4H08) (Cat. No. FM3-ABFMY2) and subsequently analyzed using FCS Express 7 software (Routinely tested).
The anti-CD19+ CAR-T cells isolated by Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003).
Anti-CD19 CAR-T cells were isolated with 0.4 µg Biotinylated Monoclonal Anti-FMC63 Antibody, Mouse IgG1, Avitag™ (Y45) (Cat. No. FM3-BY54) and 20 μL Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003). Both the isolated cells and non-isolated cells were stained with Alexa Fluor 647-Labeled Monoclonal Anti-FMC63 Antibody, Rabbit IgG (M4H08) (Cat. No. FM3-ABFMY2) and subsequently analyzed using FCS Express 7 software (Routinely tested).
The CD4+ cells isolated from Human PBMCs by Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003).
Human PBMCs were isolated with 0.01 µg Biotinylated Anti-Human CD4 Antibody (1G1), Mouse IgG2b (Dek) & C-Avi-M | Mouse Kappa (coming soon) and 10 μL Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003). Both the isolated cells and non-isolated cells were stained with FITC anti-human CD4 Antibody and subsequently analyzed using FCS Express 7 software (Routinely tested).
The CD14+ cells isolated from Human PBMCs by Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003).
Human PBMCs were isolated with 0.01 µg biotinylated anti-CD14 antibody and 10 μL Cellectra Streptavidin nBeads, Research grade (for cells) (Cat. No. MBS-S003). Both the isolated cells and non-isolated cells were stained with PE anti-human CD14 Antibody and subsequently analyzed using FCS Express 7 software (Routinely tested).
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