Figure 1.
Schematic representation of the design strategy for formation and dissolution of aptamer-based hydrogel based on aptamers as (A) crosslinkers in (a) DNA functional polymer hydrogels [Reprinted with permission from Wang et al. (83). Copyright (2008) American Chemical Society] and (b) pure DNA hydrogels [Reprinted with permission from Previtera et al. (82). Copyright (2013) American Chemical Society]. (B) Bioactive groups or as tags for functionalization [Reprinted with permission from Lai et al. (84). Copyright (2019) American Chemical Society].