Antimicrobial Nano-Zinc Oxide Biocomposites for Wound Healing Applications: A Review

Area of Science:

• Biomaterials Science
• Nanotechnology
• Wound Healing Research

Background:

• Chronic wounds represent a growing global health challenge, exacerbated by aging populations and rising antimicrobial resistance (AMR).
• Current treatments are becoming less effective due to AMR, necessitating novel therapeutic strategies.
• Antimicrobial bionanocomposites, integrating biomacromolecules with nanoparticles, offer a promising alternative.

Purpose of the Study:

• To review recent advancements in nano-zinc oxide bionanocomposite (nZnO-BNC) materials for wound healing.
• To analyze the preparation techniques, properties, and performance of nZnO-BNCs.
• To identify challenges and opportunities in the field of nZnO-BNCs for wound care.

Main Methods:

• Comprehensive literature review of nZnO-BNC materials, focusing on films, hydrogels, and electrospun bandages.
• Analysis of studies detailing preparation methods and their impact on material properties (mechanical, barrier, swelling, optical, thermal, etc.).
• Survey of antimicrobial assays against various bacterial strains and evaluation of wound-healing studies.

Main Results:

• nZnO-BNCs exhibit promising antimicrobial and anti-inflammatory properties due to zinc oxide nanoparticles.
• Material properties are significantly influenced by preparation techniques, affecting performance.
• Extensive antimicrobial data exists, but standardized testing procedures and a full understanding of the antimicrobial mechanism are lacking.

Conclusions:

• nZnO-BNCs are a promising class of materials for chronic wound management, offering combined benefits of biocompatibility and antimicrobial activity.
• Standardized testing protocols are crucial for comparing antibacterial efficacy and advancing clinical translation.
• Further research should focus on elucidating the antimicrobial mechanisms and optimizing nZnO-BNC design for enhanced wound healing.