Zinc Alginate Hydrogels with Embedded RL-QN15 Peptide-Loaded Hollow Polydopamine Nanoparticles for Diabetic Wound Healing Therapy

Zinc alginate hydrogel embedded with hollow dopamine nanoparticles exhibited no obvious toxicity against keratinocytes, human umbilical vein endothelial cells, human skin fibroblasts, and mice.