Multifunctional Composite Hydrogels for Bacterial Capture, Growth/Elimination, and Sensing Applications

Area of Science:

• Materials Science and Microbiology
• Biomaterials Engineering
• Drug Delivery Systems

Background:

• Hydrogels, cross-linked hydrophilic polymer networks, are increasingly vital in bacterial/antibacterial research and infection management.
• Rising bacterial infections and antimicrobial resistance necessitate advanced therapeutic and diagnostic strategies.

Purpose of the Study:

• To review hydrogel properties crucial for bacterial studies and infection control.
• To explore hydrogel functionalization for bacterial capture, growth modulation, and sensing.
• To highlight strategies for developing multifunctional hydrogels to combat bacterial infections and antimicrobial resistance.

Main Methods:

• Review of physicochemical characteristics and inherent properties of hydrogels.
• Analysis of surface and network functionalization techniques for hydrogels.
• Examination of hydrogel modes of action in bacterial capture, adhesion, growth, elimination, and sensing.

Main Results:

• Hydrogels can be engineered for diverse functions including bacterial capture, detection, growth control, and antibiotic delivery.
• Multifunctional and composite hydrogels demonstrate synergistic antibacterial effects and enhanced capabilities.
• Novel hydrogel strategies are emerging to manage and understand bacterial infections and antimicrobial resistance.

Conclusions:

• Hydrogels offer tunable properties for developing advanced antibacterial and diagnostic tools.
• Multifunctional hydrogels represent a promising frontier in tackling antimicrobial resistance.
• The principles discussed are adaptable for applications beyond microbiology.