Fig. 8

Schematic illustration of stimuli-responsive hydrogel-based other biosensing applications. A Schematic of the LF-NMR biosensor based on Switchable DNA hydrogel. Reproduced with permission from Ref. [86]. B Schematic representation for the PEC biosensor based on PD-responsive DNA hydrogel and Bi₂Sn₂O₇/Bi₂S₃heterojunction. Reproduced with permission from Ref.[51]