NH2

Magnetic silica particles (sicastar®-M) with amino groups on the surface are available with a diameter of 1.5 µm  for the covalent binding of proteins, antibodies or other molecules.
The particles are stable in aqueous and in organic media and allow the binding of water-soluble molecules as well as of molecules, that are only soluble in organic solvents. The functionalized particles are supplied in water.

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References
  • A. Roque, S. Bispo, A. Pinheiro, J. Antunes, D. Gonçalves and H. Ferreira, Antibody immobilization on magnetic particles, Journal of Molecular Recognition, 2009, 22(2), 77–82;