Nanocomposites of Graphene with Ferrocene or Hemin: Preparation and Application in Electrochemical Sensing

Figure 5

Schematic illustration of the pseudobienzyme aptasensor with PAMMA-rGO as nanocarrier and hemin/G-quadruplex as NADH oxidase and HRP-mimicking DNAzyme. (Reprinted with permission from [53]. Copyright 2013 Elsevier).