Stir-bar sorptive extraction: A view on method optimisation,novel applications,limitations and potential solutions |
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Authors: | A Prieto O Basauri R Rodil A Usobiaga LA Fernández N Etxebarria O Zuloaga |
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Institution: | 1. Department of Analytical Chemistry, University of the Basque Country, P.O. Box 644, 48080 Bilbao, Spain;2. Department of Analytical Chemistry, Nutrition and Food Sciences, IIAA—Institute for Food Analysis and Research, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain |
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Abstract: | Introduced in 1999 as a novel solventless sample preparation method, stir-bar sorptive extraction (SBSE) has become a popular analytical technique for the pre-concentration of organic compounds into a polydimethylsiloxane (PDMS)-coated stir-bar. In the last 10 years, hundreds of applications in the environmental, food and biomedical fields can be found in the literature. However, only PDMS-coated stir-bars are commercially available, which reduces the applicability of SBSE to the extraction of the non-polar compounds due to the poor extractability of more polar analytes. In this review, a view on method optimisation, limitations, potential solutions such as in-house coatings and derivatisation and novel applications in multi-residue analysis and passive sampling are revised. |
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Keywords: | Stir-bar sorptive extraction (SBSE) Optimisation Trace analysis Multi-residue analysis Derivatisation In-house coatings Passive sampling Matrix effect |
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