Monodispersed Silica Microsphere


This series of silica microspheres are non-porous spherical particles with large specific surface area; hydrophilic surface and good dispersibility.


because of its good optical and mechanical properties, it can meet the scientific research needs of the application field of inorganic particles. Silica microspheres are divided into two categories, the surface is unmodified (silicon hydroxyl group) and the surface is modified with functional groups such as carboxyl, amino and streptavidin, which can be widely used in nucleic acid separation, cell separation, immunoassay and other research field.


Store at 2 – 8°C, do not freeze.

Technical Index
Material Silicon dioxide(SiO2),Non-porous
Particle diameter 0.5-10μm
Solid content 5%w/v(silicon hydroxyl ),5%w/v(carboxyl/amino/sulfhydryl/ biotin),1%(streptavidin)
Density 2.0 g/cm3
Refractive index ~1.43 – 1.46(589 nm)
Surface modified silicon hydroxyl /carboxyl/amino/sulfhydryl/ biotin/streptavidin
Preserving fluid Pure water(containing 0.05%w/v Proclin®300)


Silica microspheres,unmodified,0.10-5μm
0.10μm 0.30μm 0.50μm 1.0μm
unmodified LWsphere®010Si LWsphere®030Si LWsphere®050Si LWsphere®100Si
2.0μm 3.0μm 5.0μm
unmodified LWsphere®200Si LWsphere®300Si LWsphere®500Si

Packaging sizes