[Research advances in covalent organic framework materials for sample pretreatment]

Area of Science:

• Materials Science
• Analytical Chemistry

Context:

• Covalent organic frameworks (COFs) are crystalline porous materials constructed from covalently bonded organic monomers.
• COFs offer tunable structures, low density, and large surface areas, making them attractive for various applications.
• Their potential in analytical chemistry, particularly for sample pretreatment, is an emerging area of research.

Purpose:

• To review the application of porous COFs and their composites in analytical chemistry sample pretreatment.
• To explore the use of COFs in techniques such as dispersive solid-phase extraction, solid phase micro-extraction, and magnetic solid phase extraction.

Summary:

• Porous COFs and their composites are effective materials for sample pretreatment in analytical chemistry.
• Their unique properties enable applications in dispersive solid-phase extraction, solid phase micro-extraction, and magnetic solid phase extraction.
• This review consolidates recent advancements in utilizing COFs for enhanced sample preparation.

Impact:

• Highlights the versatility of COFs beyond traditional applications.
• Provides a comprehensive overview for researchers in analytical chemistry and materials science.
• Demonstrates the potential of COFs to improve the efficiency and effectiveness of sample pretreatment methods.