Multiplex electrical detection of avian influenza and human immunodeficiency virus with an underlap-embedded silicon nanowire field-effect transistor.
本文报道了一种基于欠叠嵌入式硅纳米线场效应晶体管(underlap-embedded SiNW-FET)的无标记电学生物传感器,用于检测禽流感(AI)和人类免疫缺陷病毒(HIV)的抗原–抗体结合。器件在体硅晶圆上通过自上而下工艺制备:采用各向同性与各向异性刻蚀结合形成硅纳米线,并通过自对准双栅和倾斜离子注入精确控制欠叠区域。传感信号...