http://www.cd-bioparticles.com/p/Absolute-Mag-Hydroxyl-Magnetic-Particles-Starch-1-μm_20_193_217_5052.htmlAbsolute Mag Hydroxyl Magnetic Particles, Starch, 1 μm (# WHM-C050) are aqueous dispersion of biocompatible starch magnetic microsphere which provide the convenient and efficient covalent binding of bioaffine ligands. This is a unique feature contributing to rapidly bind with novel and different receptor-affine biological substances. This particle is available up to a hydrodynamic diameter of  2.0 m on request.