(A) Wound closure after treatment with TCTS hydrogel and gauze as control at days 7, 14, and 21. Reproduced with permission [169]. Copyright 2020, Elsevier. (B) Antibacterial behavior of TCTS -40%β -GP and AMP -TCTS -40%β -GP hydrogels against ATCC and resistant A. baumannii. All AMP -TCTS -40%β -GP hydrogels possess antibacterial activity against strains. SEM images of resistant A. baumannii are treated with TCTS -40%β -GP and AMP -TCTS - 40%β -GP hydrogels. Reproduced with permission [171]. Copyright 2020, Elsevier. (C) Evaluation of antibacterial activity in infected wound treated by CSDP hydrogel-PACT against MDR-S. aureus at days 1, 3, 5, 7, 10, and 14. Reproduced with permission [5]. Copyright 2020, American Chemical Society. (D) Antibacterial activity of the vesicles and prototype (20% TCDA vesicles contain photosensitive antibacterial agents) hydrogel against P. aeruginosa. SEM micrographs of P. aeruginosa bacteria grown on vesicles containing photosensitizer. (Right: P. aeruginosa with irradiated vesicles; Middle: P. aeruginosa with vesicles, in the dark; Left: P. aeruginosa). Reproduced with permission [197]. Copyright 2020, WILEY.