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| Product Name | Immunoassay Standard Diluent, Protein-Based |
| Catalog No. | ATR-B-YJL-0186 |
| Description | A carefully formulated protein-containing diluent optimized for the preparation of standard curves and dilution of unknown samples in quantitative sandwich and competitive immunoassays. |
| Intended Use | Creating standard curves for quantitative ELISA, multiplex bead-based assays, and electrochemiluminescence immunoassays while minimizing matrix-dependent signal variation. |
| Principle / Technology | Protein matrix mimics biological sample composition to normalize matrix effects between recombinant standards and clinical samples; buffer components maintain antibody binding kinetics. |
| Detection Method | Standard curve parallelism analysis, spike-and-recovery testing in multiple sample matrices |
| Sample Type | Recombinant protein standards, calibrator proteins, clinical serum and plasma samples |
| Performance Range / Specifications | Parallelism between standard curve and sample dilution series within 80–120% |
| Sensitivity / LOD | N/A |
| Specificity | No detectable reactivity with assay components; certified IgG free |
| Reaction Conditions / Protocol | Use undiluted; prepare standard dilutions in polypropylene tubes to minimize protein adsorption. |
| Components / Formulation | Tris-buffered saline pH 7.4, BSA or other carrier protein, non-ionic surfactant, antimicrobial preservative |
| Storage Conditions | 2–8°C |
| Shelf Life | 18 months |
| Package Specifications | 100 mL, 500 mL |
| Product Form | Liquid, ready to use |
| Quality Control | Spike recovery 90–110% across 5 sample matrices; intra-lot CV <5% |
| Key Features | Matrix-matched to clinical samples; ready to use; reduces standard curve drift; validated across multiple assay platforms |
For research use only, not for clinical use.
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