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. 2023 Nov 24;12(12):1656. doi: 10.3390/antibiotics12121656

Figure 9.

Figure 9

Top view FE-SEM images of a ZnO NR array surface after inactivation of E. coli under dark conditions. The length of the arrays was (a) 0.5 μm, (b) 1 μm, (c) 2 μm, and (d) 4 μm. Reprinted with permission from Ref. [83]. Copyright 2020 Elsevier.