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. 2022 Jan 16;22(2):675. doi: 10.3390/s22020675

Figure 3.

Figure 3

SEM micrographs of MWCNTs in sonicated solutions of (A) dH2O, (B) enzymatic solution, and (C) MES buffer solution. Typical heterogeneous surfaces are demonstrated by carbon SPEs (A) contributing to MWCNT aggregate formation (B). Under enzymatic interaction, MWCNTs demonstrate more homogeneous dispersion with the electrode surface (C).