Figure 2From: DNA-templated synthesis of PtAu bimetallic nanoparticle/graphene nanocomposites and their application in glucose biosensorPhotographic and TEM images and EDS spectra. (A) Photographic images of (a) unmodified GR and (b) ss-DNA/GR in water. TEM images of (B) ss-DNA/GR and (C) PtAuNP/ss-DNA/GR nanocomposites. (D) EDS spectra of PtAuNP/ss-DNA/GR nanocomposites.Back to article page