Antibacterial Hydrogels for Wound Dressing Applications: Current Status, Progress, Challenges, and Trends.

Area of Science:

• Biomaterials Science
• Wound Healing Research
• Infectious Disease Treatment

Background:

• Chronic wound bacterial infections present significant medical challenges, necessitating advanced treatments.
• Hydrogels are ideal for moist wound healing due to their biocompatibility and water retention.
• There is a critical need for wound dressings with effective antibacterial and anti-inflammatory properties.

Purpose of the Study:

• To review and categorize antibacterial hydrogels for infected wound treatment.
• To discuss recent advancements in hydrogel materials and antibacterial mechanisms.
• To examine emerging therapies and future trends in smart hydrogel wound dressings.

Main Methods:

• Categorization of antibacterial hydrogels by material composition and antibacterial action.
• Review of recent scientific literature on hydrogel-based wound therapies.
• Analysis of novel preparation techniques including nanozymes, photothermal therapy (PTT), photodynamic therapy (PDT), and metal-organic frameworks (MOFs).

Main Results:

• Hydrogels offer a promising platform for infected wound management.
• Emerging technologies like PTT, PDT, MOFs, and nanozymes enhance hydrogel therapeutic potential.
• Smart hydrogels demonstrate multi-functionality, responsiveness, and on-demand drug delivery capabilities.

Conclusions:

• Antibacterial hydrogels are evolving towards high-performance, multi-functional, and intelligent wound dressings.
• Future research should focus on biocompatibility, sustained antibacterial efficacy, and responsiveness for optimal therapeutic outcomes.
• Continued development of smart hydrogels is crucial for addressing challenges in chronic wound infection treatment.