1 条结果 关键词:微流控生物芯片 ×

Highly sensitive detection of human cancer antigens by an immunogold-silver assay chip coupled with a polythiophene-based optical sensor.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference 2016 Pires NM, Tao Dong

本文报道一种用于临床样品中蛋白质或癌抗原检测的新型方法,将免疫金-银检测微流控生物芯片与聚噻吩基有机光电探测器(OPD)耦合。玻璃生物芯片表面经硅烷化、聚乙二醇/生物素-PEG封闭、链霉亲和素和生物素化抗体修饰,用于捕获癌胚抗原(CEA);样品中抗体修饰金纳米颗粒与抗原结合后形成免疫复合物,金纳米颗粒催化银增强液中的银离子还原为金属...