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Absolute Mag™ BSA Magnetic Dextran Nanoparticles, 50 nm(WHM-G068)


Absolute Mag™ BSA Magnetic Dextran Nanoparticles, 50 nm (# WHM-G068) are superparamagnetic iron oxide in a matrix of dextran. These nanoparticles are designed with covalently bound albumin (BSA) on the surface. These magnetic nanoparticles are cluster-typed shaped and can be separated in a high gradient magnetic field. Polydispersity index: < 0.2.

Application Notes
Suitable for magnetic resonance imaging or in magneto-immuno assays
Polydispersity Index
< 0.25
Particle Size
50 nm
Albumin (BSA)
5 mg/mL
Storage Buffer
Suspension in PBS (0.02 % sodium azide).
Unit Size
5 mL
Number of Particles
5.5E+13 particles/mL
Surface Group Density
1.5 µg albumin (BSA)/mg particles (ca. 1-2 molecules albumin per particle)
1.4 g/ccm
56 Am2/kg iron (H = 80 kA/m)
Saturation Magnetization
>69 Am2/kg iron (H> 800 kA/m)
Coercive Field Hc
0.077 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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