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Absolute Mag™ PEG-COOH Magnetic Polystyrene Particles, 10 µm(WHM-G145)


Absolute Mag™ PEG-COOH Magnetic Polystyrene Particles, 10 µm (# WHM-G145) 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 PEG-COOH groups on the surface for the covalent binding of proteins, antibodies or other molecules by carbodiimide chemistry. These magnetic particles can easily be separated with a conventional permanent magnet. Standard deviation: < 10 % (C.V.).

Particle Size
10 µm
Functional Group
50 mg/mL
Storage Buffer
Suspension in water.
Unit Size
10 mL
Number of Particles
8.7E+7 particles/mL
1.1 g/ccm
1.8 Am2/kg particles (H = 80 kA/m)
Saturation Magnetization
> 2.1 Am2/kg particles (H> 800 kA/m)
Stable in aqueous buffers, methanol, ethanol, DMSO. Not stable in halogenated hydrocarbons, toluene, strong acidic solutions, e.g. 10% HCl
Storage at 2 - 8 °C for 6 months.
Shelf Life
When stored as specified the product is stable for six months.

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