Advances in covalent organic frameworks in separation science.
Hai-Long Qian1, Cheng-Xiong Yang2, Wen-Long Wang1
1State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China; Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
Covalent organic frameworks (COFs) offer tunable properties for advanced analytical separations. This review highlights their use as sorbents and stationary phases in chromatography and extraction techniques.
Area of Science:
- Materials Science
- Analytical Chemistry
- Separation Science
Background:
- Covalent organic frameworks (COFs) are crystalline polymers formed via covalent bonds.
- COFs possess advantageous properties like high surface area, porosity, and stability.
- These characteristics make them suitable for various separation applications.
Purpose of the Study:
- To review the current applications of COFs and their composites in analytical separation science.
- To explore the potential of COFs as materials for extraction and chromatography.
- To provide an outlook on future research directions for COFs in separations.
Main Methods:
- Review of literature on COF applications in analytical separation science.
- Analysis of COFs as sorbents in solid phase extraction.
- Evaluation of COFs as coatings for solid phase microextraction.
- Assessment of COFs as stationary phases in GC, HPLC, and CEC.
Main Results:
- COFs and their composites show promise as sorbents for solid phase extraction.
- COFs are explored as effective coatings for solid phase microextraction.
- COFs demonstrate potential as novel stationary phases for GC, HPLC, and CEC.
Conclusions:
- COFs offer significant potential for advancing analytical separation science.
- Further research into COFs can lead to improved separation technologies.
- COFs provide a valuable reference for future studies in separation applications.
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