Direct electrochemical DNA biosensor based on reduced graphene oxide and metalloporphyrin nanocomposite
Sensors and Actuators B: Chemical(2017)
摘要
•sDNA is fixed on reductive graphene oxide thanks to a metalloporphyrin through a stable link.•MnTPP/RGO platform provides to be a good candidate for direct DNA detection.•cDNA is detected with a detection limit of 6.1×10−14M by EIS measurement.
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关键词
DNA sensor,Manganese(III) tetraphenylporphyrin,Reduced graphene oxide,EIS measurement
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