2 条结果 关键词:Fe@Fe2O3核壳纳米项链 ×

Sensitively electrochemical detection of the DNA damage in situ by electro-Fenton reaction based on Fe@Fe2O3 core-shell nanonecklace and multi-walled carbon nanotube composite.

Analytica chimica acta 2010 Wang X, Jiao K

本文提出一种用于原位模拟金属介导DNA损伤途径的电化学生物传感器。传感膜中以恒定速率原位产生用于DNA损伤的Fenton试剂(H2O2和铁离子),H2O2与铁离子进一步反应生成羟基自由基,后者攻击膜内DNA。上述DNA损伤过程与生物体内发生的金属诱导损伤类似。DNA损伤通过监测电化学指示剂Co(phen)3 3+的差分脉冲伏安(DP...

Electrochemical sensing the DNA damage in situ induced by a cathodic process based on Fe@Fe(2)O(3) core-shell nanonecklace and Au nanoparticles mimicking metal toxicity pathways in vivo.

Biosensors & bioelectronics 2009 Wang X, Yang T, Jiao K

基于Fe@Fe2O3核壳纳米项链与金纳米颗粒阴极过程的DNA原位损伤灵敏电化学传感由新型生物传感器实现。该传感器由玻碳电极(GCE)修饰多层膜构成,包括聚二甲基二烯丙基氯化铵(PDDA)、Fe@Fe2O3核壳纳米项链与金纳米颗粒混合物、PDDA和双链DNA(ds-DNA)分层。阴极过程以恒定速率连续产生铁离子和H2O2(Fenton...