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Absolute Mag™ Protein A Magnetic Dextran Nanoparticles, 50 nm(WHM-G067)

Datasheet

Absolute Mag™ Protein A Magnetic Dextran Nanoparticles, 50 nm (# WHM-G067) are superparamagnetic iron oxide in a matrix of dextran. These nanoparticles are designed with covalently bound protein A on the surface for binding IgGs. 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
Ligand
Protein A
Concentration
5 mg/mL
Storage Buffer
Suspension in PBS (0.02 % sodium azide).
Unit Size
1 mL
Number of Particles
5.5E+13 particles/mL
Matrix
Dextran
Surface Group Density
1.5 µg protein A/mg particle (ca. 2-5 molecules protein A per particle)
Density
1.4 g/ccm
Magnetization
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
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.
Shelf Life
When stored as specified the product is stable for three months.

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