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| Product Name | Nonporous Silica Microspheres with Unmodified, Carboxyl, Amino or Streptavidin Surfaces |
| Catalog No. | IGM-HMM-0263 |
| Description | Alta DiagnoTech nonporous spherical silica microspheres combine a hydrophilic, readily dispersed surface with useful optical and mechanical properties. Unmodified and functionalized versions support nucleic-acid separation, cell separation, immunoassays and general particle research. |
| Intended Use | Nucleic-acid separation, cell separation, immunoassays and other research applications requiring nonporous silica particles. |
| Principle / Technology | Nonporous spherical silica microspheres with optional surface functionalization. |
| Performance Range / Specifications | The technical table states a general particle range of 0.5-6.0 µm. Listed unmodified sizes are 0.10, 0.30, 0.50, 1.0, 2.0, 3.0 and 5.0 µm. Solids are 10% w/v for unmodified beads, 5.0% w/v for carboxyl or amino beads, and 1.0% w/v for streptavidin beads; density 2.0 g/cm³; refractive index approximately 1.43-1.46 at 589 nm. |
| Storage Conditions | 2-8 °C; do not freeze |
| Package Specifications | 10 mL, 25 mL and 50 mL for the listed unmodified particle sizes |
| Product Form | Aqueous nonporous silica microsphere suspension |
| Key Features | Nonporous spherical silica Hydrophilic, readily dispersed surface Four surface-functionalization options Optical and mechanical suitability for research applications |
| Concentration | 10% w/v unmodified; 5.0% w/v carboxyl or amino; 1.0% w/v streptavidin |
| Density | 2.0 g/cm³ |
| Product Type | Nonporous silica microspheres |
| Function / Efficacy | Functional particle support for separation, assay and research workflows. |
| Functional Group | Unmodified, carboxyl, amino or streptavidin |
| Storage Buffer | Purified water containing 0.05% w/v ProClin 300 |
| Matrix | Silica (SiO₂), nonporous |
| Particle Size | Technical range 0.5-6.0 µm; listed unmodified sizes 0.10-5.0 µm |
| Ligand / Bonded Phase | Unmodified, carboxyl, amino or streptavidin surface |
| Refractive Index | Approximately 1.43-1.46 at 589 nm |
For research use only, not for clinical use.
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