- +1 858 909 0079
- +1 858 909 0057
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- +1 858 909 0079
- [email protected]
Cat. No.
Product Name
Unit Size
Order
Specification
Composition
Magnetic beads grafted with a high density of azide groups on the surface
Number of Beads
~ 1.68 x 109 beads/mg (1μm beads)
~1.47 x 108 beads/mg (2.5μm beads)
Stability
Short Term (<1 hour): pH 4-11; Long-Term: pH 4-10
Temperature: 4°C -140°C; Most organic solvents
Magnetization
~40-45 EMU/g
Type of Magnetization
Superparamagnetic
Formulation
Lyophilized Powder
Functional Group Density
1μm Magnetic Beads
~35 nmole / mg of Beads
2.5μm Magnetic Beads
~30 nmole /mg of Beads
Storage
Ship at room temperature. Store 4°C upon receipt.
BcMag™ Cleavable Azide Activated- Magnetic Beads are uniform inert silica-enclosed magnetic beads grafted with a high density of cleavable azide functional groups on the surface (Fig.1). The beads can efficiently enrich alkyne-tagged biomolecules from complex cell lysates via a Cu(I)-catalyzed Alkyne-Azide (CUAAC) reaction. Compared with other affinity resins such as agarose or other polymers beads, the inert silica enclosed magnetic beads offer high stability, low nonspecific binding, and superior handling in protein-based systems. Since the active cleavable azide group is linked with the beads through a built-in cleavable disulfide linker, reducing agents such as DTT or β-mercaptoethanol can cleave and separate the target molecule-ligand complex from the beads after affinity purification. These magnetic beads are an ideal matrix for genomics, proteomics, biomarker discovery, posttranslational modification (PTM) analysis, etc.
The beads work perfectly as affinity resin for capturing alkyne-tagged biomolecules from complex cell lysate. Add the beads to a sample containing the tagged biomolecules, then mix, incubate, wash and elute the target molecules.
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Easy to use
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More efficient and low nonspecific binding
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Stable covalent bond with minimal ligand leakage
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Produces reusable matrices
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Low nonspecific binding
1.
Cleave the Disulfide Bond
Note: Due to conformational variation from ligands to ligands, the user should determine the optimal working conditions such as reducing agent, pH, and temperature for cleaving the disulfide bond of individual ligands.
1)
Incubate the magnetic beads (30mg/ml) in either 140 mM β-mercaptoethanol or 5mM DTT (Dithiothreitol).
a. 100 mM Tris-HCl, pH 8.0, 50 mM EDTA, 140 mM β-mercaptoethanol for 2 hours to overnight at room temperature or 98°C for 5 minutes.
b. 100 mM Tris-HCl, pH 8.0, 50 mM EDTA, 5mM DTT for 2 hours to overnight at room temperature or 98°C for 5 minutes.
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