Figure 2

(A) Schematics for different states of ssDNA probes binding on a gold surface. (B) The formation of a mercaptohexanol (MCH) monolayer preventing contacts between the DNA backbone and the substrate (adapted from Tarlov et al.74). (C) Schematic illustration of Exo III-powered stochastic DNA walkers moving on spherical nucleic acid (SNA) surfaces (adapted from Qu et al.77).

© De Gruyter