2 resultados para IMMUNOANALYSIS


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A flow injection amperometric immunoassay system based on the use of screen-printed carbon electrode for the detection of mouse IgG was developed. An immunoelectrode strip, on which an immunosorbent layer and screen-printed carbon electrode were integrated, and a proposed flow cell have been fabricated. The characterization of the flow immunoassay system and parameters affecting the performance of the immunoassay system were studied and optimized. Amperometric detection at 0.0 V (versus Ag/AgCl) resulted in a linear detection range of 30-700 ng ml(-1), with a detection limit of 3 ng ml(-1). The signal variation among electrode strips prepared from variant batch did not exceed 8.5% (n = 7) by measuring 0.5 mug ml(-1) antigen standard solution.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)