Merck, 11641778001, Streptavidin Magnetic Particles

The Streptavidin Magnetic Particles are polydisperse paramagnetic particles that are designed for the fast separation of a variety of biotin-labeled molecules. The particles are supplied in a suspension that contains 10mg particles per ml in 50mM Hepes, 0.1% bovine serum albumin (BSA), 0.01% methyl-isothiazolone, pH 7.4. Binding capacities per mg streptavidin magnetic particles: >=1800 pmol free biotin >150 pmol biotin-labeled oligonucleotide >10 pmol biotin-labeled dsDNA fragment