Document Type

Journal Article

Department/Unit

Department of Chemistry

Title

Current developments in clinical sample preconcentration prior to elemental analysis by atomic spectrometry: A comprehensive literature review

Language

English

Abstract

Sample preconcentration is important for metal analysis in complex clinical matrices due to the low concentration of analytes and high salt content. The limited amount of sample available also increases the challenges of extraction and determination of the analytes. In spite of the increase in sensitivity of instruments, such ultra-trace levels of the metals are still difficult to determine accurately. Researchers have adopted various strategies to improve the efficiency and selectivity of the extraction. The use of chemicals and time for analysis can also be reduced by scaling down the analysis to the micro-level. This review discusses four aspects of the recent development in metal preconcentration in clinical samples, namely the use of ionic liquids (ILs) in extraction, sorption by nanomaterials, preconcentration using surfactants, and automation. The publications reviewed cover the period between 2008 to late 2013. © 2014 The Royal Society of Chemistry.

Publication Date

2014

Source Publication Title

Journal of Analytical Atomic Spectrometry

Volume

29

Issue

2

Start Page

234

End Page

241

Publisher

Royal Society of Chemistry

DOI

10.1039/C3JA50316J

Link to Publisher's Edition

http://dx.doi.org/10.1039/C3JA50316J

ISSN (print)

02679477

ISSN (electronic)

13645544

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