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Absolute Mag™ Streptavidin Magnetic Particles, Hydroxyethyl Starch, Fluorescent Red, 100 nm(WHM-M099)

Datasheet

Absolute Mag™ Streptavidin Magnetic Particles, Hydroxyethyl Starch, Fluorescent Red, 100 nm (# WHM-M098) are synthesized as a core of magnetite and coated with crosslinked hydroxyethyl starch shell with far-red fluorescence (excitation: 732 nm, emission: 758 nm), with streptavidin surface. These magnetic particles are cluster-typed shaped and can be separated with a conventional permanent magnet. Polydispersity index: < 0.2.

Polydispersity Index
< 0.2
Particle Size
100 nm
Ligand
Streptavidin
Surface Coating
Crosslinked Dextran
Concentration
5 mg/mL
Storage Buffer
Suspension in PBS (0.02 % sodium azide)
Unit Size
1 mL
Number of Particles
3.0E+12 particles/mL
Absorption Max
552 nm
Binding Capacity
> 200 pmol biotin/mg
Density
3.2 g/ccm
Magnetization
49 Am2/kg iron (H = 80 kA/m)
Saturation Magnetization
>76 Am2/kg iron (H> 800 kA/m)
Coercive Field Hc
0.449 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.

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