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. 2020 Jun 1;5(23):13940–13947. doi: 10.1021/acsomega.0c01333

Figure 2.

Figure 2

Fabrication steps of (a) the anode layer and (b) the cathode layer of the MFC sensor; (c) the cross-section of the assembled device; and (d) photo image of the MFC sensor with size.