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Absolute Mag™ BSA Magnetic Nanoparticles, Dextran Coated, 130 nm(WHM-G021)


Absolute Mag™ BSA Magnetic Nanoparticles, Dextran Coated, 130 nm (# WHM-G021) are synthesized as a core of magnetite and coated with dextran shell. These nanoparticles are designed with covalently bound albumin (BSA) on the surface. These magnetic nanoparticles are cluster-typed shaped and can be separated with a permanent magnet. Polydispersity index: < 0.2.

Polydispersity Index
< 0.2
Particle Size
130 nm
Albumin (BSA)
Surface Coating
10 mg/mL
Storage Buffer
Suspension in PBS (0.02 % sodium azide).
Unit Size
10 mL
Number of Particles
3.5E+12 particles/mL
Binding Capacity
1.5-2.0 μg albumin (BSA)/mg particle (50-60 molecules albumin per particle)
Surface Group Density
1.5 - 2.0 µg albumin (BSA)/mg particles (50 -60 molecules albumin per particle)
2.5 g/ccm
53 Am2/kg iron (H = 80 kA/m)
Saturation Magnetization
>75 Am2/kg iron (H> 800 kA/m)
Coercive Field Hc
0.444 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.
Shelf Life
When stored as specified the product is stable for three months.

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