Inorganic supports such as silica microspheres have become increasingly important for a variety of applications. They offer the combined benefits of working with a bead platform and the unique properties of a silica substrate, including: flexibility, large specific surface area, improved binding kinetics over planar surfaces, robust statistics, flexible silanization chemistries, unique refractive index and density, low autofluorescence, low nonspecific binding of many biomolecules, hydrophilicity, and easy manipulation.
Bangs offers a range of silica bead sizes (from ~0.15µm-5µm) to meet the requirements of a variety of applications.
Non-Fuctionalized Silica
SiO2 with natural hydroxyl or silanol (SiOH) surface groups for adsorption of nucleotides with low protein binding. Non-functionalized silica microspheres are available in these standard amounts: 0.5g, 1.0g, 1.5g, and 5.0g.
Silica in aqueous suspension
Catalog Number | Nominal Diameter | Specification Range | Product Data Sheet | Safety Data Sheet |
---|---|---|---|---|
SS02000 | 0.15µm | 0.120 - 0.180µm | PDS 702.pdf | SDS SG140.pdf |
SS02001 | 0.30µm | 0.260 - 0.340µm | PDS 702.pdf | SDS SG140.pdf |
SS02002 | 0.40µm | 0.360 - 0.440µm | PDS 702.pdf | SDS SG140.pdf |
SS03000 | 0.50µm | 0.460 - 0.540µm | PDS 702.pdf | SDS SG140.pdf |
SS03001 | 0.70µm | 0.660 - 0.740µm | PDS 702.pdf | SDS SG140.pdf |
SS03002 | 0.90µm | 0.860 - 0.940µm | PDS 702.pdf | SDS SG140.pdf |
SS04000 | 1.0µm | 0.95 - 1.05µm | PDS 702.pdf | SDS SG140.pdf |
SS04001 | 1.50µm | 1.40 - 1.60µm | PDS 702.pdf | SDS SG140.pdf |
SS04002 | 2.0µm | 1.80 - 2.20µm | PDS 702.pdf | SDS SG140.pdf |
SS05000 | 2.50µm | 2.30 - 2.70µm | PDS 702.pdf | SDS SG140.pdf |
SS05001 | 3.0µm | 2.80 - 3.20µm | PDS 702.pdf | SDS SG140.pdf |
SS05002 | 4.0µm | 3.8 - 4.20µm | PDS 702.pdf | SDS SG140.pdf |
SS05003 | 5.0µm | 4.80 - 5.20µm | PDS 702.pdf | SDS SG140.pdf |
SS06000 | >5.0µm | >5.0µm | PDS 702.pdf | SDS SG140.pdf |
Dry Silica
Catalog Number | Nominal Diameter | Specification Range | Product Data Sheet | Safety Data Sheet |
---|---|---|---|---|
SSD2001 | 0.30µm | 0.260 - 0.340µm | PDS 702.pdf | SDS SG141.pdf |
SSD3000 | 0.50µm | 0.460 - 0.540µm | PDS 702.pdf | SDS SG141.pdf |
SSD4000 | 1.0µm | 0.95 - 1.05µm | PDS 702.pdf | SDS SG141.pdf |
SSD4001 | 1.50µm | 1.40 - 1.60µm | PDS 702.pdf | SDS SG141.pdf |
SSD5000 | 2.50µm | 2.30 - 2.70µm | PDS 702.pdf | SDS SG141.pdf |
SSD5001 | 3.0µm | 2.80 - 3.20µm | PDS 702.pdf | SDS SG141.pdf |
SSD5002 | 4.0µm | 3.80 - 4.20µm | PDS 702.pdf | SDS SG141.pdf |
SSD5003 | 5.0µm | 4.80 - 5.20µm | PDS 702.pdf | SDS SG141.pdf |
Carboxyl Silica
SiO2 with carboxyl (COOH) surface groups for the covalent attachment of biomolecules. Carboxyl silica microspheres are sold in 1.0g amounts. Supplied dry, they are available in these nominal mean diameters: ~0.5µm, ~1.0µm, ~2.0µm, and ~5.0µm.
Catalog Number | Nominal Diameter | Specification Range | Product Data Sheet | Safety Data Sheet |
---|---|---|---|---|
SC03000 | 0.5µm |
0.46 - 0.54µm |
PDS 702.pdf | SDS SG141.pdf |
SC04000 | 1.0µm | 0.95 - 1.05µm | PDS 702.pdf | SDS SG141.pdf |
SC05000 | 2.0µm | 2.80 - 2.20µm | PDS 702.pdf | SDS SG141.pdf |
SC05001 | 5.0µm | 4.80 - 5.20µm | PDS 702.pdf | SDS SG141.pdf |
Amine Silica
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.
Catalog Number | Nominal Diameter | Specification Range | Product Data Sheet | Safety Data Sheet |
---|---|---|---|---|
SA03000 | 0.5µm | 0.460 - 0.540µm | PDS 702.pdf | SDS SG141.pdf |
SA04000 | 1.0µm | 0.95 - 1.05µm | PDS 702.pdf | SDS SG141.pdf |
SA05000 | 5.0µm | 4.80 - 5.20µm | PDS 702.pdf | SDS SG141.pdf |
Streptavidin-Coated Silica
SiO2 with a streptavidin-coated surface for the attachment of biomolecules. Silica streptavidin microspheres are sold in these standard volumes: 1mL, 2mL, 5mL, and 10mL. Available at 1% solids, in these nominal mean diameters: ~0.5µm, ~1.0µm, and ~5.0µm.
Catalog Number | Nominal Diameter | Specification Range | Product Data Sheet | Safety Data Sheet |
---|---|---|---|---|
CS01000 | 0.5µm | 0.460 - 0.540µm | PDS 702.pdf | SDS SG142.pdf |
CS01001 | 1.0µm | 0.95 - 1.05µm | PDS 702.pdf | SDS SG142.pdf |
CS01002 | 5.00µm | 4.80 - 5.20µm | PDS 702.pdf | SDS SG142.pdf |