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. Author manuscript; available in PMC: 2022 Nov 26.
Published in final edited form as: ACS Nano. 2021 Jul 6;15(7):11441–11450. doi: 10.1021/acsnano.1c01150

Figure 2.

Figure 2.

Bench-top DNA origami nanoarray fabrication. (A) Schematic illustration of the DNA origami patterning process through 2D nanosphere close-packing, selective passivation, lift-off, and finally, Mg2+-mediated origami placement. (B, C) SEM images of nanosphere close-packing (top view and cross-section), respectively. (D) AFM images of binding sites. (E, F) AFM images of microscale origami placement. (inset) 2D FFT demonstrating close-packing. Experimental results demonstrate data analogous to schematic depiction (A) of process steps.