Noncovalent Aggregation for Diverse Properties in Hydrogels: A Comprehensive Review

Area of Science:

• Materials Science
• Chemistry
• Physics

Background:

• Hydrogel research has rapidly expanded, bridging fundamental science with materials applications.
• A cohesive understanding of hydrogel research is needed to drive innovation.
• Noncovalent interactions are crucial for hydrogel microstructure and properties.

Purpose of the Study:

• To review the role of noncovalent interactions in hydrogel aggregation.
• To explore how synthetic hydrogels utilize noncovalent forces inspired by nature.
• To discuss methods for inducing these interactions and resulting properties.

Main Methods:

• Review of existing literature on noncovalent interactions in hydrogels.
• Analysis of how hydrogen bonds and hydrophobic interactions contribute to hydrogel networks.
• Discussion of methods to control these interactions and material properties.

Main Results:

• Noncovalent interactions are critical for forming microstructures that enhance hydrogel properties.
• Synthetic hydrogels can mimic natural architectures using forces like hydrogen bonds and hydrophobic interactions.
• Manipulation of these interactions leads to tunable, adaptable hydrogel materials.

Conclusions:

• Noncovalent interactions are a powerful tool for designing advanced hydrogels.
• Understanding and controlling these interactions enables the development of materials for bioengineering, robotics, and soft electronics.
• This review provides insights into creating functional hydrogels with significant practical value.