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| Product Name | 0.3-0.7 µm Core-Shell Magnetic Silica Microspheres for Nucleic-Acid Purification |
| Catalog No. | IGM-HMM-0266 |
| Description | Alta DiagnoTech magnetic silica microspheres contain a superparamagnetic iron-oxide core within a hydrophilic silica shell. Hydroxyl, carboxyl and amino surfaces provide options for nucleic-acid extraction, PCR-product purification and nucleic-acid fragment selection. |
| Intended Use | DNA and RNA extraction from blood, cell culture, plant or animal tissue and forensic samples; PCR-product cleanup and nucleic-acid fragment selection. |
| Principle / Technology | Core-shell magnetic separation using an Fe₃O₄ core and functional silica surface. |
| Sample Type | Blood, serum, cell culture, plant tissue, animal tissue, forensic samples and PCR products |
| Performance Range / Specifications | The technical table lists 0.50 and 0.70 µm particles; the product table also lists 0.30 and 0.50 µm hydroxyl-surface particles. Hydroxyl beads are 4.0% w/v solids, while carboxyl and amino beads are 2.0% w/v. |
| Storage Conditions | 2-8 °C; do not freeze |
| Package Specifications | 25 mL, 50 mL, 100 mL and 500 mL for the listed versions |
| Product Form | Aqueous magnetic silica microsphere suspension |
| Key Features | Superparamagnetic core-shell structure Hydrophilic silica surface Hydroxyl, carboxyl and amino options Submicron particle sizes |
| Concentration | 4.0% w/v for hydroxyl surfaces; 2.0% w/v for carboxyl or amino surfaces |
| Chemical Composition | Iron oxide (Fe₃O₄) core with a silica (SiO₂) shell |
| Product Type | Magnetic silica microspheres |
| Function / Efficacy | Magnetic extraction, purification and size-selective cleanup of nucleic acids. |
| Customization | Thiol, epoxy and other functional surface groups may be customized. |
| Functional Group | Hydroxyl, carboxyl or amino; thiol and epoxy surfaces may be customized |
| Storage Buffer | Purified water or neutral buffer |
| Matrix | Silica shell surrounding an iron-oxide core |
| Particle Size | 0.30, 0.50 or 0.70 µm among the listed technical and product-table options |
| Ligand / Bonded Phase | Hydroxyl, carboxyl or amino surface |
For research use only, not for clinical use.
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