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K-ASSAY
Since 1983
K-Assay
 
Clinical Diagnostics
Immunoassay Reagents
 
ASO (WHO)
Anti-Streptolysin O (WHO)
The ASO assay's calibrators have been standardized against the WHO
(World Health Organization) NIBSC Anti-Streptolysin O standard material.
Cat. No.: KAI-078
Type.: Reagent
Method: Immunoturbidimetric
Format: Liquid
Linearity: 20 - 1,000 IU/mL
Sample: Serum


KIT COMPOSITION
Cat. No. KAI-078
R1:   4 X 20 mL buffer
R2:   4 X 20 mL Streptolysin O latex suspension

Tests / Kit:   400 (Hitachi 717)
(Can Vary Based On Analyzer Model)
    
KAI-078
Click Image To Enlarge       

Click here for an example package insert.

Click here for the Safety Data Sheets (SDS):
Reagent-1 (R-1)
Reagent-2 (R-2)

Click here for information about recommended calibrators and controls.


INTENDED USE
For the quantitative determination of antibody to streptolysin O (ASO) in patient serum based on immunoturbidimetric assay as an aid in the diagnosis of Group A streptococcus infections.
FOR IN VITRO DIAGNOSTIC USE.

REAGENT PREPARATION
The reagents are ready to use and do not require reconstitution.

STORAGE AND HANDLING
All reagents should be stored refrigerated (2-8°C).  Return all reagents to 2-8°C promptly after use.  Unopened reagents can be used for one year from the date of manufacture, as indicated by the expiration date on the package and bottle labels.  Opened reagents can be used for one month if stored at 2-8°C.

PERFORMANCE
Precision
When a sample is assayed 20 times, the CV is ≤ 5%.

Accuracy / Correlation
y = 1.03x - 0.87
r = 0.994
n = 84
x = company A's ASO assay (U/mL)
y = K-ASSAY ®   ASO (WHO) assay (IU/mL)

Assay Range
20 - 1,000 IU/mL

INTERFERENCE
Bilirubin F and C :     No interference up to 40 mg/dL
Formazin :     No interference up to 3,000 FTU
Hemoglobin :     No interference up to 500 mg/dL