Magnetic solids in analytical chemistry: A review

Magnetic solids are widely used in detection and analytical systems because of the performance advantages they offer compared to similar solids that lack magnetic properties. These solids can be used to pre-concentrate analytes and for the magnetic separation and molecular identification of biomolec...

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Bibliographic Details
Published in:Analytica chimica acta 2010-08, Vol.674 (2), p.157-165
Main Authors: Aguilar-Arteaga, K., Rodriguez, J.A., Barrado, E.
Format: Article
Language:English
Subjects:
Analytical chemistry
Biomolecules
Characterization
Chemistry
Exact sciences and technology
General, instrumentation
Inorganic
Magnetic solids
Organic
Pre-concentration
Separation
Synthesis
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Summary:Magnetic solids are widely used in detection and analytical systems because of the performance advantages they offer compared to similar solids that lack magnetic properties. These solids can be used to pre-concentrate analytes and for the magnetic separation and molecular identification of biomolecules, and organic and inorganic species. Magnetic solid separation techniques also offer benefits over centrifugation, filtration, and solid-phase extraction. In this review, we describe the synthesis, characterization and applications of a series of solids including silica supports, carbon nanotubes, alumina, organic polymers and other materials, mostly containing magnetite or paramagnetic metals. Also addressed are the future perspectives of magnetic solid applications.
ISSN:0003-2670
1873-4324
DOI:10.1016/j.aca.2010.06.043