Current trends in solid-phase microextraction (SPME) fibre coatings.

Area of Science:

• Analytical Chemistry
• Materials Science

Background:

• Solid-phase microextraction (SPME) is a widely used technique for sample preparation.
• The performance of SPME is highly dependent on the properties of the fiber coating.
• There is a continuous need for developing new and improved SPME fiber coatings.

Purpose of the Study:

• To provide a comprehensive overview of known and innovative fiber coatings for SPME.
• To discuss the properties, advantages, and disadvantages of various SPME fiber coatings.
• To analyze the applications of SPME fiber coatings in analyte extraction, focusing on polar compounds.

Main Methods:

• Critical review of existing literature on SPME fiber coatings.
• Analysis of manufacturing approaches for both commercial and novel coatings.
• Evaluation of the application of different coatings for extracting various analytes.

Main Results:

• Detailed discussion of commercially available SPME fiber coatings, including their characteristics.
• Exploration of novel fiber coating materials and their preparation methodologies.
• Analysis of SPME applications, highlighting effectiveness for polar analytes in polar matrices.

Conclusions:

• Fiber coatings are crucial for SPME efficiency and selectivity.
• Both established and emerging coating technologies offer distinct advantages for specific applications.
• Further development in fiber coating materials is essential for advancing SPME capabilities, particularly for challenging sample types.