Nanofibers as advanced sorbents for on-line solid phase extraction in liquid chromatography: A tutorial.

Area of Science:

• Analytical Chemistry
• Materials Science

Background:

• Polymers in nanofiber format offer significant potential as sorbents for various extraction techniques.
• Nanofiber-based extraction is a developing field with increasing applications.

Purpose of the Study:

• To provide an overview of directly coupling nanofiber-based extraction techniques with liquid chromatography.
• To discuss the practical aspects, optimization, and challenges of using nanofibers in high-pressure chromatography.

Main Methods:

• Demonstration of fiber arrangements in conventional extraction cartridges.
• Discussion on the selection criteria for suitable nanomaterials (surface density, wettability, mechanical stability).
• Optimization strategies for on-line extraction procedures.

Main Results:

• Exploration of pros and cons of using nanofibers for extraction in high-pressure chromatography systems.
• Presentation of several practical examples and author experiences.
• Summary of numerous reports on the topic.

Conclusions:

• Nanofiber-based extraction coupled with liquid chromatography presents a promising approach for analytical separations.
• Future perspectives include advanced nanofiber materials and polymer fiber modifications for enhanced performance.