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  • Title: Biosensor based on chemiluminescence for serum uric acid determination.
    Author: Liu J, Guo J, Li G.
    Journal: Chin J Biotechnol; 1995; 11(3):177-83. PubMed ID: 8679934.
    Abstract:
    A biosensor based on luminol chemiluminescent reaction and immobilized uricase column for serum uric acid determination has been developed. The response time by the sensor for various concentrations of serum uric acid was 47 sec with a 17-microliters sample volume at 40 samples per hr. The linear range of standard curve was from 1 mg/dL up to 20 mg/dL of serum uric acid. The imprecision within a day was 3.22% to 4.36%. The day-to-day imprecision was 6.18% to 7.80%. The recovery rate by the method was 93% to 109%. Compared with the standard colorimetric method employed, the enzymatic kit revealed that the linear regression and correlation coefficient were Y = 0.4 + 0.938x and r = 0.9909, respectively. The immobilized uricase column retained 94% of its original activity even after over 2000 runs for five and half months of continual usage.
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