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| Product Name | 0.20-0.40 µm Red and Blue Carboxyl Polystyrene Microspheres 4.0% w/v |
| Catalog No. | IGM-HMM-0268 |
| Description | Alta DiagnoTech colored polystyrene microspheres are internally dyed to provide saturated, stable color without surface dye leakage. The carboxyl surface supports covalent coupling of antigens and antibodies for visual assay formats. |
| Intended Use | Lateral-flow immunoassays, latex agglutination tests and other visual particle-based assays. |
| Principle / Technology | Internal color staining combined with a carboxyl surface for covalent biomolecule coupling. |
| Performance Range / Specifications | General particle range 0.05-20 µm; listed red particle sizes 0.20, 0.30 and 0.40 µm; listed blue particle sizes 0.30 and 0.40 µm; 4.0% w/v solids. |
| Storage Conditions | 2-8 °C; do not freeze |
| Package Specifications | 10 mL, 50 mL and 100 mL |
| Product Form | Aqueous colored polystyrene microsphere suspension |
| Key Features | Internally dyed particles Red and blue options 0.20-0.40 µm listed sizes Carboxyl-functionalized surface |
| Concentration | 4.0% w/v solids |
| Product Type | Colored polystyrene microspheres |
| Function / Efficacy | Visible particle labels for immunoassay and agglutination formats. |
| Functional Group | Carboxyl |
| Color | Red or blue |
| Storage Buffer | Purified water containing 0.05% w/v ProClin 300 |
| Matrix | Polystyrene |
| Particle Size | General range 0.05-20 µm; listed red and blue options 0.20-0.40 µm |
| Ligand / Bonded Phase | Carboxyl surface modification |
For research use only, not for clinical use.
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