Fig. 15
From: A review on silver-mediated DNA base pairs: methodology and application
The principle diagram of DNA metal ion binding (C-Ag+-C, T-Hg2+-T) to detect SNP. Hydroquinone reduces metal ions. If it is mercury, gold ions are added to make a gold amalgam. DPV is used for detection, and mismatches are distinguished by comparing the peaks of silver and gold amalgam(reproduced with permission from Ref. [37],© Sensors and Actuators B: Chemical 2020)