Highly ordered mesoporous carbons as electrode material for the construction of electrochemical dehydrogenase- and oxidase-based biosensors

By comparing the electrochemical performance of ordered mesoporous carbons with that of CNTs as electrode material for the construction of alcohol dehydrogenase - and glucose oxidase -biosensors in this work, we reveal that OMCs could be a favorable and promising carbon electrode material for constructing other electrochemical dehydrogenase- and oxidase-based biosensors, which may have wide potential applications in biocatalysis, bioelectronics and biofuel cells

Ming Zhou; Li Shang; Bingling Li; Lijian Huang; Shaojun Dong

2008

Scholarcy highlights

  • In this work, the excellent catalytic activity of highly ordered mesoporous carbons to the electrooxidation of nicotinamide adenine dinucleotide and hydrogen peroxide was described for the construction of electrochemical alcohol dehydrogenase and glucose oxidase-based biosensors
  • The high density of edge-plane-like defective sites and high specific surface area of OMCs could be responsible for the electrocatalytic behavior at OMCs modified glassy carbon electrode, which induced a substantial decrease in the overpotential of NADH and H2O2 oxidation reaction compared to carbon nanotubes modified glassy carbon electrode
  • As an amperometric glucose biosensor, Nafion/GOD–OMCs/GE showed large determination range, high sensitivity, fast and stable response to glucose as well as the effective discrimination to the possible interferences, which may make it to readily satisfy the need for the routine clinical diagnosis of diabetes
  • By comparing the electrochemical performance of OMCs with that of CNTs as electrode material for the construction of ADH- and GOD-biosensors in this work, we reveal that OMCs could be a favorable and promising carbon electrode material for constructing other electrochemical dehydrogenase- and oxidase-based biosensors, which may have wide potential applications in biocatalysis, bioelectronics and biofuel cells
  • By comparing the electrochemical performance of ordered mesoporous carbons with that of CNTs as electrode material for the construction of alcohol dehydrogenase- and glucose oxidase-biosensors in this work, we reveal that OMCs could be a favorable and promising carbon electrode material for constructing other electrochemical dehydrogenase- and oxidase-based biosensors, which may have wide potential applications in biocatalysis, bioelectronics and biofuel cells

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