The application of deep eutectic solvent-based magnetic nanofluid in analytical sample preparation.

Area of Science:

• Analytical Chemistry
• Green Chemistry
• Materials Science

Background:

• Deep eutectic solvents (DESs) are emerging as environmentally friendly alternatives in analytical chemistry due to their low toxicity and biodegradability.
• Magnetic nanofluids offer unique properties for sample preparation, but their integration with DESs for analytical applications requires comprehensive assessment.
• Traditional sample preparation methods often rely on large volumes of organic solvents, posing environmental and health concerns.

Purpose of the Study:

• To review the preparation methods of DES-based magnetic nanofluids.
• To assess the application of DES-based magnetic nanofluids in various microextraction techniques for analytical sample pretreatment.
• To highlight the role of these systems in enhancing the efficiency and sustainability of analytical methods.

Main Methods:

• Summarized preparation techniques for DES-based magnetic nanofluids.
• Reviewed applications in vortex-assisted, ultrasonic-assisted, dispersive, and microfluidic-based microextraction.
• Analyzed studies focusing on the stability and performance of these nanofluids in sample pretreatment.

Main Results:

• DES-based magnetic nanofluids demonstrate high extraction recoveries and low detection limits across diverse analytes and matrices.
• These systems significantly reduce organic solvent consumption, aligning with green chemistry principles.
• The stability of magnetic nanofluids is crucial for effective sample pretreatment.

Conclusions:

• DES-based magnetic nanofluids represent a sustainable and efficient tool for analytical sample preparation and microextraction.
• Further research is needed to refine these materials for optimized performance in analytical applications.
• This review serves as a valuable reference for advancing green analytical chemistry practices.