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N Latex BTP Assay

Rapid Detection of CSF leakage and Easier Estimation of RRF

Analytical Assay Performance

Assay principleLatex-enhanced immunonephelometry
Sample typehuman serum, heparinized and EDTA- plasma, urine, CSF, and CSF containing nasal or ear secretions
Measuring time12 minutes
Reference rangeCSF: 8.89 – 25.9 mg/L
Serum: ≤0.70 mg/L
Urine: ≤3.75 mg/L
Initial measuring range0.22 – 14.0 mg/L
Once-opened reagent stability         

7 days (BN ProSpec® System)

3 days with evaporation stoppers on BN™ II System
Calibration frequency4 weeks
PrecisionRepeatability: < 6.1%
Within-lab: <
6.6%
Antigen excess securityup to 101 mg/L on BN ProSpec® System
up to 111 mg/L on BN™ II System

The products/features shown on this webpage are not commercially available in all countries. Due to regulatory reasons their future availability cannot be guaranteed. Please contact your local Siemens organization for further details.

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