FIGURE 8.

(A) S-Ag coordination bonds between thiolated bovine serum albumin (BSA-SH), thiolated polypeptide (KK-SH), and Ag⁺ to form hydrogel (Cheng et al., 2020). Images were adapted with permission from Cheng et al. (2020). Copyright 2020, John Wiley and Sons. (B) With copper ion as peroxidase-like agent, hydrogel crosslinked with copper ion significantly deceased survival rates of DR- S. aureus (i) and DR- E. coli (ii) (Qiu et al., 2020). Images were adapted with permission from Qiu et al. (2020). Copyright 2020, Springer Nature.