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. 2021 Apr 8;14(8):1852. doi: 10.3390/ma14081852

Figure 6.

Figure 6

(a) Digital photograph of the as-assembled MSCs. (b) The surface SEM image of cellulose paper substrate. (c) The surface SEM image of MWCNT interdigitated microelectrodes. (d) The surface SEM image of the interface between BPVA-Pluronic hydrogel electrolyte and MWCNT interdigitated microelectrodes.