2 条结果 关键词:三维DNA网络 ×

Boron Carbon Nitride Nanosheets-Ru Nanocomposite Self-Enhancement Electrochemiluminescence Emitter with a Three-Dimensional DNA Network Structure as a Signal Amplifier for Ultrasensitive Detection of TK1 mRNA.

Analytical chemistry 2022 Hu J, Zhang Y, Chai Y, Yuan R

本研究通过氮化硼碳纳米片(BCN NSs)与三(4,4'-二羧酸-2,2'-联吡啶)钌(II)二氯化物(Ru(dcbpy)3Cl2)化学交联,制备了自增强纳米复合材料BCN NSs-Ru,并将其作为发射体构建电化学发光(ECL)生物传感器,用于超灵敏检测癌症标志物人胸苷激酶1(TK1)mRNA。BCN NSs边缘的氨基和不饱和硼原子...

Target-Induced 3D DNA Network Structure as a Novel Signal Amplifier for Ultrasensitive Electrochemiluminescence Detection of MicroRNAs.

Analytical chemistry 2019 Zhang Y, Chai Y, Wang H, Yuan R

本文提出由催化发夹组装(CHA)产生的目标诱导三维DNA网络(T-3D Net)作为新型信号放大器,构建microRNA超灵敏电化学发光(ECL)生物传感器。常规CHA每循环仅产生一条输出DNA,而该策略利用DNA功能化磁珠(MBs)和金纳米颗粒(AuNPs)形成T-3D Net,每循环产生多条输出DNA;通过溶解AuNPs使网络崩...