精品文档---下载后可任意编辑AuITO 杂化双极电极电致化学发光生物传感器的开题报告摘要:本文提出一种基于 AuITO 杂化双极电极的电致化学发光生物传感器,旨在有效提高生物分子检测的灵敏度和特异性
通过先后注入金纳米颗粒和 ITO 纳米线将 AuITO 杂化电极构建而成,进一步采纳生物素- Streptavidin - biotinylated DNA(B-S-D)系统作为检测分子,建立了一种新型的电化学发光检测方法
在此基础上,通过优化传感器工作电位、掺杂硫化氢电极和调节发光时间等手段,探究了传感器性能的影响因素,得出该传感器具有极高的检测性能
该传感器能够在非标记的情况下对靶生物分子进行检测,具有高灵敏度、高特异性和高稳定性
在不断优化改良之后,将有望广泛应用于医学诊断和生物学实验讨论中
关键字:AuITO 杂化电极;电致化学发光;生物传感器;检测性能Abstract:This paper proposes a new type of electrochemical luminescence biosensor based on AuITO hybrid bipolar electrodes, aiming to effectively improve the sensitivity and specificity of bio-molecule detection
The AuITO hybrid electrode was constructed by injecting gold nanoparticles and ITO nanowires in turn
Then, the biotin-streptavidin-biotinylated DNA (B-S-D) system was used as a detection molecule to es