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Absolute Mag™ Streptavidin Magnetic Polystyrene Particles, 7 µm(WHM-G215)


Absolute Mag™ Streptavidin Magnetic Polystyrene Particles, 7 µm (# WHM-G215) 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
7 µm
25 mg/mL
Storage Buffer
Suspension in PBS (0.02 % sodium azide).
Unit Size
1 mL
Number of Particles
1.3E+8 particles/mL
Surface Group Density
350 ng streptavidin /mg particles
1.1 g/ccm
3.0 Am2/kg particles (H = 80 kA/m)
Saturation Magnetization
> 3.7 Am2/kg particles (H> 800 kA/m)
Stable in aqueous buffers pH> 4. Not stable in organic solvents, acidic solutions pH < 4.
Storage at 2 - 8 °C for 3 months

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