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Your Position: Home > Beads > TROP-2 > MBS-K028

Human TROP-2-coupled Magnetic Beads

Materials Provided
ItemsSize (2mg)Size(5mg X 2)
Particle size2 μm2 μm
Physical appearancePowder mixturePowder mixture
Amount of Coupled Protein≈1032 pmol (32.6 μg) TROP-2/mg beads≈1032 pmol (32.6 μg) TROP-2/mg beads
Binding Capacity>1266 pmol (40μg) Anti-trop-2 antibody/mg beads>1266 pmol (40μg) Anti-trop-2 antibody/mg beads
FormulationPBS, pH7.4, with 10% TrehalosePBS, pH7.4, with 10% Trehalose
Reconstitution2 mL sterile deionized water (1 mg beads/mL)5 mL sterile deionized water (1 mg beads/mL)
  • Background
    The Human TROP-2-coupled Magnetic Beads is produced by coupling biotinylated TROP-2 heterodimer to streptavidin-conjugated magnetic beads. Because 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 pre-coupled beads are ready to use for capturing anti-TROP-2 antibody from your sample with high specificity.
  • Source
    Human TROP-2 Protein is expressed from human 293 cells (HEK293). It contains AA Gln 31 - Thr 274(Accession # P09758-1 ).
  • Application
    This product is intended for immunocapture, biopanning and flow cytometry.
    *The Isotype control (Cat. No. SMB-B01) is sold separately.
  • Reconstitution

    See Certificate of Analysis (CoA) for detailed instruction.

  • Storage
    Upon receipt, please store the beads at -20°C for 1 year in lyophilized state. Please avoid more than 3 freeze-thaw cycles. Immediate use after reconstitution is highly recommended.
  • Assay Principles
    Antibody Purification: 1. Resuspend the lyophilized beads by adding the buffer of choice. 2. Add analyte to the suspension, mix and incubate to enable specific binding of the beads and the target protein. 3. Magnetize beads, remove supernatant, and wash unbound protein fractions to capture target protein-bound beads. 4. Wash, magnetize the beads and collect purified target protein for use in downstream applications.

    The magnetic beads technology makes use of the easy and efficient collection of beads in magnetic field to facilitate antibody purification in a simple workflow of “bind-wash-elute”. In contrast to common separation techniques, this method does not require columns or centrifugation, and is therefore ideal in high-throughput applications.

Typical Data

Immobilized 32.6 μg TROP-2/1 mg beads can bind Anti-TROP-2 mAb with an EC50 of 0.8505 μg/mL (QC tested).


Accelerated stability test. After placing the lyophilized beads at 37°C for 7 days, binding activity between the Human TROP-2-coupled Magnetic Beads (Cat.No. MBS-K028) and anti-trop-2 mAb showed little deviation from the unaccelerated sample (%RSD<10%). Data were measured on day 0, 3, 7 respectively.


Freeze-thaw stability test. After different freeze-thaw cycles, binding activity between the Human TROP-2-coupled Magnetic Beads (Cat.No. MBS-K028) and anti-trop-2 mAb showed little deviation from the unfreeze-thaw sample (%RSD<10%). Three freeze-thaw cycles were performed.

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ETD of in-stock products: 2 business days

Price(USD) : $800.00

Price(USD) : $2500.00



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