期刊
TALANTA
卷 70, 期 2, 页码 353-357出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.talanta.2006.02.053
关键词
capillary electrophoresis; chemiluminescence; immunoassay; clenbuterol
A competitive immunoassay for clenbuterol (CLB) based on capillary electrophoresis with chemiluminescence (CL) detection was established. The method was based on the competitive reaction of horseradish peroxidase (HRP)-labeled CLB (CLB-HRP) and free CLB with anti-CLB antiserum. The factors affecting the electrophoresis and CL detection were systematically investigated with HRP as a model sample. Under the optimal conditions, the tracer CLB-HRP and the immunoassay complex were separated, and the linear range and the detection limit (S/N=3) for CLB were 5.0-40 nmol l(-1) and 1.2 nmol l(-1), respectively. The proposed method has been applied satisfactorily in the analysis of urine sample. (c) 2006 Elsevier B.V. All rights reserved.
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