Figure 5From: In Situ Synthesis of Reduced Graphene Oxide and Gold Nanocomposites for Nanoelectronics and BiosensingThe drain current ( I d ) versus drain voltage ( V d ) curves (at V g = 40 V) of the bare rGO-Au device, the same device with immobilized probe DNA, and the same device after hybridization of the complementary (a) or single-base mismatched (b) DNA strands (DNA concentration is 200 nM).Back to article page