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Published on: August 21, 2021
Au-Pt nanozyme-based multifunctional hydrogel dressing for diabetic wound healing
Bo Zhang1, Yinjuan Lv2, Chenggong Yu2
1CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China; Nano Science and Technology Institute, University of Science and Technology of China, Suzhou 215123, China.
A new self-healing hydrogel dressing (OHCN) effectively treats diabetic chronic wounds by managing the wound microenvironment. This advanced dressing promotes faster healing through its multifunctional properties.
Area of Science:
- Biomaterials Science
- Wound Healing Research
- Nanotechnology in Medicine
Background:
- Diabetic chronic wound healing presents significant clinical challenges due to hyperglycemia, oxidative stress, hypoxia, and infection.
- The complex wound microenvironment impedes effective tissue repair in diabetic patients.
Purpose of the Study:
- To develop a multifunctional, self-healing hydrogel dressing (OHCN) for accelerated diabetic wound repair.
- To investigate the efficacy of OHCN in regulating the diabetic wound microenvironment.
Main Methods:
- Fabrication of OHCN hydrogel by integrating Au-Pt alloy nanoparticles into an OHA-CMCS hydrogel via Schiff-base reaction.
- Evaluation of the hydrogel's self-healing, antibacterial, glucose-lowering, antioxidant, and oxygen-generating properties.
- Assessment of the OHCN hydrogel's performance in ameliorating the pathological microenvironment and promoting diabetic wound healing.
Main Results:
- The OHCN hydrogel exhibited excellent self-healing and antibacterial capabilities.
- Au-Pt alloy nanoparticles provided glucose-lowering, oxidative stress alleviation, and oxygen generation functions.
- The synergistic action of the hydrogel and nanoparticles significantly improved the diabetic wound microenvironment and accelerated healing.
Conclusions:
- The developed nanozyme-decorated multifunctional hydrogel (OHCN) offers a promising strategy for managing diabetic chronic wounds.
- OHCN effectively addresses the multifaceted challenges of the diabetic wound microenvironment, leading to enhanced repair.
- This innovative hydrogel dressing represents an efficient approach for improved diabetic wound management.
