Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 54, Issue -, Pages 11-23Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2013.10.010
Keywords
Coating; Complex matrix; Emerging organic contaminant; Extraction; Monolithic material; Polar compound; Polar contaminant; Sol-gel technology; Sample preparation; Stir-bar sorptive extraction
Categories
Funding
- Ministry of Science and Innovation [CTQ2011-24179]
- Department of Innovation, Universities and Enterprises [SGR 223]
- Department of Innovation, Universities and Enterprises
- European Social Fund
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Stir-bar sorptive extraction (SBSE) is a sample-preparation technique that allows the sorptive extraction and preconcentration of emerging organic contaminants (EOCs) from complex matrices. Since its introduction, this technique has been widely applied in environmental, food and biological research, followed by gas chromatography (GC) or liquid chromatography (LC). However, the single commercially-available coating for SBSE, based on polydimethylsiloxane (PDMS), has become its principal limitation, so use of SBSE has been reduced to the extraction of apolar or moderately polar compounds. In recent years, there has been growing interest in developing more polar in-house coatings for SBSE and, therefore, extend the applicability of this sorptive extraction technique. Different approaches to synthesis of polar coatings for SBSE have been developed, with sol-gel technology and monolithic materials being notable examples. This review focuses on the commonest and novel strategies for synthesizing new coatings for SBSE to enhance the extraction of polar EOCs and their applications. (C) 2013 Elsevier Ltd. All rights reserved.
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