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Intended Use For IN VITRO quantitative determination of Albumin in serum or plasma using manual or automated applications.
Method Principle BCG dye at a pH of 4.2 and in the presence of a non-ionic surfactant Brij-35 specifically binds albumin to form a colored BCG-Albumin complex with maximum absorbance at 630nm. The increase in absorbance is directly proportional to the Albumin concentration present in the sample.
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Method Performance Characteristics Sensitivity: The sensitivity of this method is 0.140-0.180 absorbance units per g/dL. Linear Range: In this method there is no significant nonlinearity over the range of 0-6 g/dL. Precision: Within-run and day-to-day precision is summarized below. |


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Albumin |
Within-Run |
Total |
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Mean |
SD |
CV |
SD |
CV |
|
g/dL |
g/dL |
% |
g/dL |
% |
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1.2 |
0.04 |
3.50 |
0.05 |
4.30 |
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3.4 |
0.05 |
1.40 |
0.07 |
2.00 |
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5.6 |
0.06 |
1.10 |
0.06 |
1.00 |
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Correlation Data |
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Parameter |
Data Observed |
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N |
197 |
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Range |
1.6-5.2 g/dL |
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Regression |
Y= 1.039 - 0.12 |
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Correlation |
r = 0.999 |
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Sy.x |
0.09 |