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- 2018
基于铁氰化钾电子媒介体及醛基吡啶盐的电化学免疫传感器
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Abstract:
摘要 采用聚二烯丙基二甲基氯化铵(PDDA)将铁氰化钾电子媒介体固定在电极表面，构建免标记的电化学免疫传感器. 醛基吡啶盐不仅作为基底物质直接固定抗体，还可以很好地增强电极表面的导电性能. 将构建的传感器用于肿瘤标志物甲胎蛋白的检测. 其线性范围为0.01-20 ng·mL-1，检测下限为0.004 ng·mL-1（3 S/N）. 此传感器的构建简单方便、无标记、特异性好，为甲胎蛋白及其他肿瘤标志物提供了新的检测方法
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