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.
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...