IgG Subclass 1–4 Immunoassays
The Comprehensive Solution for IgG Determination
Assay characteristics
| N Antiserum IgG/Subclass 1 | N Antiserum IgG/Subclass 2 | N Latex IgG3 | N Latex IgG4 | |
|---|---|---|---|---|
| Assay principle | Latex-enhanced immunonephelometry | |||
| Sample types | Human serum, EDTA plasma, heparinized plasma | |||
| Reference ranges* | 4.05 – 10.11 | 1.69 – 7.86 | 0.11 – 0.85 | 0.03 – 2.01 |
| Initial measuring range | 0.85 - 27 | 0.35 - 11 | 0.033 - 2.1 | 0.052 - 3.3 |
| Measuring time | 6 | 12 | 2+6 incl. pre-reaction | 2+6 incl. pre-reaction |
| Once-opened reagent stability | 2 weeks on BN ProSpec® System, 3 days (6 days with evaporation stoppers) on BN™ II System | 2 weeks on BN ProSpec® System, 3 days (6 days with evaporation stoppers) on BN™ II System | 2 weeks on BN ProSpec® System, 5 days (10 days with evaporation stoppers) on BN™ II System | 2 weeks on BN ProSpec® System, 5 days (10 days with evaporation stoppers) on BN™ II System |
| Calibration frequency | 4 weeks | 4 weeks | 4 weeks | 4 weeks |
| Precision (total CV) | ≤ 3% @ 3.6 g/L | < 3.0% @ 1.8 g/L | ≤ 6% @ 0.84 g/L | < 3% @ 0.507 g/L |
*The above reference ranges (2.5th to 97.5th percentile in g/L) were established by testing samples from 279 apparently healthy adults from Central Europe (data on file). Please refer to the download section for pediatric reference ranges.
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