1 条结果 关键词:纳米机电生物传感器 ×

A nanoelectromechanical biosensor based on precise quantification and control of DNA orientation.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference 2011 Spuhler PS, Sola L, Zhang X, Monroe M 等 7 人

本文提出一种基于光谱自干涉荧光显微镜(SSFM)的纳米机电生物传感器,用于精确量化表面锚定双链DNA(dsDNA)的取向与构象。研究以二氧化硅(SiO2)表面为基底,采用新型两性三维聚合物支架进行功能化,并将胺功能化dsDNA探针端接于聚合物上。该聚合物等电点约为6.5,在pH高于6.5时带净负电,低于6.5时带净正电,从而通过静电...