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A review on magnetic field-assisted solid-phase microextraction techniques

journal contribution
posted on 2023-05-20, 10:13 authored by Heidari, N, Alireza GhiasvandAlireza Ghiasvand
The use of electromagnetic waves to improve the efficiency of analytical separation methods has received high attention in recent years. This is done in two ways, one involving the use of a magnetic absorbents and the other one using an external magnetic field to enhance the extraction efficiency. In this review, the application of magnetic field for enhancing the selectivity and sensitivity of analytical sample preparation methods, by focusing on solid-phase microextraction (SPME), is surveyed and evaluated. Additionally, the efficiency and reliability of different magnetic sorbent-enhanced SPME and magnetic field-enhanced SPME methods are discussed. It was revealed that applying an external magnetic field in the SPME techniques improves the analytical figure of merits, particularly in complex matrices like human body fluids. It was demonstrated that the use of the external magnetic field in SPME can increase fiber’s lifespan. Additionally, the enhancing effect of the external electromagnetic field, due to the paramagnetic attraction and diamagnetic repulsion, is discussed.

History

Publication title

Journal of Liquid Chromatography and Related Technologies

Volume

43

Issue

3-4

Pagination

75-82

ISSN

1082-6076

Department/School

School of Natural Sciences

Publisher

Marcel Dekker Inc

Place of publication

270 Madison Ave, New York, USA, Ny, 10016

Rights statement

Copyright 2019 Taylor & Francis Group, LLC

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the chemical sciences

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