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| Product Name | 1.5-20 µm Low-CV Magnetic Polymer Microspheres with Five Surface Options |
| Catalog No. | IGM-HMM-0265 |
| Description | Alta DiagnoTech magnetic polymer microspheres use a sandwich structure with a porous polymer core, a functional polymer shell and magnetic material distributed between the two layers. Uniform particles and low nonspecific adsorption support sensitive bioassays and magnetic separation workflows. |
| Intended Use | Development of magnetic-particle chemiluminescence assays, immunoprecipitation, co-immunoprecipitation, magnetic cell separation and sequence-specific nucleic-acid capture. |
| Principle / Technology | Magnetic separation using Fe₃O₄-containing porous polymer microspheres with surface-specific coupling chemistry. |
| Performance Range / Specifications | General diameter range 1.0-20 µm; technical sizes 1.5, 2.3, 3.0, 5.0, 10 and 20 µm, with additional listed 5.5 µm products; particle-size CV is typically below 3.0%. |
| Storage Conditions | 2-8 °C; do not freeze |
| Package Specifications | 5 mL, 10 mL, 25 mL and 100 mL for the listed carboxyl, tosyl and streptavidin versions |
| Product Form | Aqueous magnetic polymer microsphere suspension |
| Quality Control | Particle-size distribution CV is typically below 3.0%. |
| Key Features | Typical particle-size CV below 3.0% Low nonspecific adsorption Five surface-functionalization options Magnetic handling for sensitive assays and separation |
| Concentration | 2.0% w/v for carboxyl, amino and tosyl surfaces; 1.0% w/v for streptavidin and Protein A surfaces |
| Chemical Composition | Iron oxide (Fe₃O₄) between a porous polymer core and a polymer shell |
| Product Type | Magnetic polymer microspheres |
| Function / Efficacy | Magnetic capture, separation and solid-phase support for bioassays. |
| Functional Group | Carboxyl, amino, tosyl, streptavidin or Protein A |
| Storage Buffer | Purified water or neutral buffer |
| Matrix | Porous polymer core with a polymer shell and embedded iron oxide |
| Particle Size | 1.5, 2.3, 3.0, 5.0, 5.5, 10 or 20 µm among listed options |
| Ligand / Bonded Phase | Carboxyl, amino, tosyl, streptavidin or Protein A surface |
| Coefficient of Variation (CV) | Typically <3.0% for particle size |
For research use only, not for clinical use.
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