Magnetic beads coated with streptavidin efficiently bind to biotinylated molecules, such as peptides, proteins, antibodies, sugars, and lectins. These beads are suitable for many applications based on the strong Streptavidin-Biotin interaction. They are particularly useful as a solid support phase in immunoassays.
These beads come in three different diameters: 600nm, 1µm and 3µm. Beads of 600nm have a larger surface area, and the sedimentation time of 600nm beads is approximately 4 times slower than that of 1µm beads. This allows longer incubation times without shaking/mixing. Magnetic beads with a diameter of 3µm have stronger magnetic properties and will separate approximately 4 times faster than 600nm beads under the same conditions.
To determine which beads are right for your application, consider trying the Trial Kit. This kit contains 1ml of 8 different formats of beads coated with streptavidin.
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