Analytical Microextraction Techniques


M. Valcárcel, S. Cárdenas, R. Lucena

DOI: 10.2174/97816810837971170101
eISBN: 978-1-68108-379-7, 2016
ISBN: 978-1-68108-380-3

Indexed in: EBSCO.

Sample treatment has been the focus of intensive research in the last 20 years since it still remains a bottleneck in precise analytic...[view complete introduction]
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Solid Phase Extraction Based on Magnetic Nanoparticles

- Pp. 277-305 (29)

Ángel Ríos and Mohammed Zougagh


Magnetic nanoparticles (MNPs) are attracting great interest for developing solid phase extraction (SPE). Nanoparticles involved in SPE processes present clear advantages with respect conventional SPE materials because of their high stability, simple preparation, and the short time involved in the sample preparation; avoiding time-consuming column passing and filtration, as it is in conventional SPE methods. In this e-book chapter, the progress involving MNPs used for SPE is presented and discussed. Taken into account the different types of MNPs used in this field, the different MNPs obtained by attaching inorganic components (e.g., metal oxides, carbon, noble and semiconductor metals), or organic molecules (e.g., surfactants and magnetic molecularly imprinted polymers, MMIP), are described through recent reported analytical applications of MNPs in SPE. The potential transfer of these analytical tools for daily work in routine laboratories is also pointed out.

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