Surface functionalized cryogels - characterization methods, recent progress in preparation and application

Area of Science:

• Polymer Science
• Materials Science
• Chemical Engineering

Background:

• Cryogels are sponge-like polymeric materials with diverse applications.
• Functionalization enhances cryogel properties like biocompatibility and responsivity.
• Existing reviews lack focus on functionalization evaluation and characterization.

Purpose of the Study:

• To provide a comprehensive overview of cryogel functionalization characterization methods.
• To discuss novel functional monomers and functionalization strategies.
• To emphasize the importance of functionalization for tailored cryogel properties.

Main Methods:

• Literature review of recent characterization techniques for functional cryogels.
• Analysis of synthetic polymers, biopolymers, and hybrid approaches for cryogel functionalization.
• Discussion of functional (macro-)monomers and ligand-based functionalization.

Main Results:

• Identification of key characterization methods for assessing cryogel functionalization.
• Overview of emerging functional monomers and advanced functionalization strategies.
• Demonstration of diverse functionalization approaches using synthetic and biological polymers.

Conclusions:

• Accurate characterization is crucial for evaluating cryogel functionalization success.
• Novel functional monomers and strategies enable the development of advanced cryogels.
• Functionalization is key to producing cryogels with precisely tailored properties for specific applications.