N Latex BTP Assay
Rapid Detection of CSF leakage and Easier Estimation of RRF
Analytical Assay Performance
| Assay principle | Latex-enhanced immunonephelometry |
| Sample type | human serum, heparinized and EDTA- plasma, urine, CSF, and CSF containing nasal or ear secretions |
| Measuring time | 12 minutes |
| Reference range | CSF: 8.89 – 25.9 mg/L Serum: ≤0.70 mg/L Urine: ≤3.75 mg/L |
| Initial measuring range | 0.22 – 14.0 mg/L |
| Once-opened reagent stability | 7 days (BN ProSpec® System) 3 days with evaporation stoppers on BN™ II System |
| Calibration frequency | 4 weeks |
| Precision | Repeatability: < 6.1% Within-lab: < 6.6% |
| Antigen excess security | up to 101 mg/L on BN ProSpec® System up to 111 mg/L on BN™ II System |
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