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Polysciences, Inc. Offers New Functionalized Silica Microspheres


Warrington, PA, September 2006 – Polysciences, Inc., a leading manufacturer of laboratory supplies and specialty monomers/polymers for life sciences, medical research and industry, announces the availability of new functionalized silica microspheres containing carboxylic acid, amine or streptavidin groups.

Functionalized silica microspheres are available with nominal diameters of 0.5 micron, 1 micron and 5 micron to allow the researcher to tailor his/her product design for specific assays. The carboxyl functional and amine functional materials are supplied as 100% solids while the streptavidin modified microspheres are offered as a 1% dispersion in water.

“Silica microspheres offer unique characteristics compared to their polymer counterparts. Silica microspheres offer a lower refractive index than polystyrene, a greater density for easier settling, and a hydrophilic surface that reduces non-specific binding of hydrophobic ligands. Our new functionalized silica products provide a convenient means for covalent immobilization through carboxyl or amine groups or affinity binding of biotinylated ligands.” said Chad Owen, Particles Division Vice President, Polysciences, Inc.

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About Polysciences, Inc.
Headquartered in Warrington, Pa., Polysciences, Inc. is a leading manufacturer of laboratory supplies and specialty monomers/polymers for microscopy, histology, biotechnology, electronics, and other industrial applications. Although Polysciences offers a full line of off-the-shelf products for the medical, life sciences, and research community, its specialty is developing custom-synthesized polymers and monomers for customer-specific needs. Polysciences, Inc. is also a producer of custom adhesives and chemicals for the electronics industry. Polysciences has more than a 40-year history of successful partnerships with industry in developing new materials for emerging applications. Polysciences maintains facilities in Warrington, PA and Eppelheim, Germany in addition to the Fishers, Ind. facility of its wholly owned subsidiary Bangs Labs, Inc. Visit



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