Production and Characterization of Biodegradable Wound Dressings Containing Silver-Loaded Zeolite Complexes

Area of Science:

• Biomaterials Science
• Materials Engineering
• Wound Care Technology

Background:

• Biodegradable wound dressings are crucial for effective wound healing.
• Incorporating antimicrobial agents can enhance dressing performance.
• Starch and brewers' spent grain offer sustainable biomaterial sources.

Purpose of the Study:

• To develop and characterize novel biodegradable wound dressings.
• To investigate the effect of silver-loaded zeolite complexes (ZeAg) on dressing properties.
• To evaluate the potential of these dressings for advanced wound care.

Main Methods:

• Four formulations of starch and brewers' spent grain-based wound dressings with varying ZeAg concentrations (0, 0.5, 1, 2% w/v) were prepared using thermopressing.
• Morphological, structural, and mechanical properties were assessed.
• Water absorption and water vapor permeability were evaluated.

Main Results:

• All dressings exhibited a rough, porous surface structure.
• No significant differences in thickness, density, solubility, or water vapor permeability were observed across formulations.
• The 0.5% ZeAg formulation showed enhanced water absorption.
• The 2.0% ZeAg formulation exhibited improved mechanical properties (tensile strength, elongation at break, elastic modulus).

Conclusions:

• Incorporating silver-loaded zeolite complexes into starch-based wound dressings enhances their functional properties.
• The developed dressings show promise for advanced wound care applications due to improved water absorption and mechanical integrity.
• Optimizing ZeAg concentration can tailor dressing performance for specific wound healing needs.