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Absolute Mag™ Streptavidin Magnetic Polystyrene Particles, 3 µm(WHM-G188)

Datasheet

Absolute Mag™ Streptavidin Magnetic Polystyrene Particles, 3 µm (# WHM-G188) are monodisperse magnetic particles, consisting of magnetite around an organic matrix of a polystyrene polymer, and finally coated with a polymer layer for the encapsulation of magnetite. These particles are designed with covalently bound streptavidin on the surface for the binding of biotinylated molecules with a high affinity. These magnetic particles can easily be separated with a conventional permanent magnet. Standard deviation: < 5 % (C.V.).

Particle Size
3 µm
Ligand
Streptavidin
Concentration
25 mg/mL
Storage Buffer
Suspension in PBS (0.02 % sodium azide).
Unit Size
1 mL
Number of Particles
1.6E+9 particles/mL
Surface Group Density
700 ng streptavidin /mg particles
Density
1.1 g/ccm
Magnetization
5.4 Am2/kg particles (H = 80 kA/m)
Saturation Magnetization
> 6.6 Am2/kg particles (H> 800 kA/m)
Stability
Stable in aqueous buffers pH> 4. Not stable in organic solvents, acidic solutions pH < 4.
Storage
Storage at 2 - 8 °C for 3 months

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