Disposable Nonenzymatic Uric Acid and Creatinine Sensors Using PAD Coupled with Screen-Printed Reduced Graphene Oxide-Gold Nanocomposites

Figure 2

SEM images of (a) bare SPCE, (b) GO, (c) PDA-rGO, (d) rGO/Au, (e) PDA-rGO/Au (inset of Figure 2(e) shows TEM image), and (f) EDX pattern and its corresponding quantitative analysis of PDA-rGO/Au.

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