SiO2 with amine (NH2) surface groups for the covalent attachment of biomolecules. Amine silica microspheres are sold in 1.0g amounts. Supplied dry, they are available in these nominal mean diameters: ~0.5µm, ~1.0µm, and ~5.0µm.

TechNote 104, Silica Microspheres
PDS 702, Silica Microspheres
SDS SG141 (Functionalized Silica)

Catalog Number Nominal Diameter Specification Range
SA03000 0.5µm 0.460 - 0.540µm
SA04000 1.0µm 0.95 - 1.05µm
SA05000 5.0µm 4.80 - 5.20µm
SA0