protein A

BNF-Dextran or BNF-Starch particles are available with protein A on the surface for the selective binding of IgGs. The matrix of the functionalized particles consists of crosslinked dextran or hydroxyethyl starch. The 100 nm particles can be separated with conventional permanent magnets, while the 80 nm particles have to be separated in high gradient magnetic fields. BNF particles can easily be filtered through 0.22 µm filters. They are supplied in PBS buffer (pH=7.4, 0.02% sodium azide) without any surfactants.

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