Ultrasensitive electrogenerated chemiluminescence biosensor for the determination of mercury ion incorporating G4 PAMAM dendrimer and Hg(II)-specific oligonucleotide.
本文报道了一种基于汞特异性寡核苷酸(MSO)和钌(II)配合物(Ru1)的电化学发光(ECL)生物传感器,用于高灵敏、高选择性地检测汞离子。传感器以涂覆单层壁碳纳米管的玻璃碳电极为基底,共价固定ECL探针NH2-(CH2)6-oligo(ethylene oxide)6-MSO↔Dend-Ru1。Dend-Ru1由Ru1与第4代聚酰...