Journal of Nanomaterials / 2020 / Article / Fig 3

Research Article

Simultaneous Voltammetric Determination of Uric Acid, Xanthine, and Hypoxanthine Using CoFe2O4/Reduced Graphene Oxide-Modified Electrode

Figure 3

SEM images of (a) CoFe2O4/carbon spheres and (b) CoFe2O4. (c) TEM image of rGO. (d) SEM image of CoFe2O4/rGO.
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