Advances on cyclodextrin-based supramolecular imprinted polymers and their extraction applications.

Area of Science:

• Supramolecular chemistry
• Polymer science
• Analytical chemistry

Background:

• Cyclodextrins (CDs), cyclic oligosaccharides, possess a unique hydrophobic cavity-hydrophilic shell structure.
• This structure makes them effective supramolecular hosts in molecular imprinting.
• The synergy between imprinting sites and CD cavities led to cyclodextrin-based supramolecular imprinted polymers (CD-SMIPs).

Purpose of the Study:

• To systematically review the synthetic strategies of CD-SMIPs.
• To critically analyze the current applications of CD-SMIPs in various analytical fields.
• To propose future development directions for CD-SMIPs.

Main Methods:

• Elaboration of synthetic strategies including electropolymerization and click chemistry.
• Analysis of applications in environmental, food, and biological analysis.
• Discussion of future trends like computational molecular design and chiral recognition engineering.

Main Results:

• CD-SMIPs utilize hydrophobic cavities for selective analyte encapsulation and hydrophilic shells for stability and compatibility.
• These materials function effectively as stationary phases, separation media, purification adsorbents, and enrichment materials.
• Significant research attention has been drawn to CD-SMIPs due to their performance.

Conclusions:

• CD-SMIPs offer a powerful platform for high-performance molecular recognition materials.
• Their applications are expanding in chromatography, environmental, food, and biological analyses.
• Future advancements lie in computational design and chiral recognition engineering for enhanced precision analysis and green chemistry.