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Publication
Current trends on microextraction by packed sorbent – fundamentals, application fields, innovative improvements and future applications
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Advisor(s)
Abstract(s)
MEPS, the acronym of microextraction by packed sorbent, is a simple, fast and user- and environmen tally-friendly miniaturization of the popular solid-phase extraction technique (SPE). In fact, it has been
widely shown that MEPS can easily replace SPE for most, if not all, previous applications. It can attain this
with obvious gains in sample and solvent usage, which is greatly reduced without compromising the
extraction efficiency. Furthermore, MEPS can be operated with semiautomatic electronic syringes, making
it very reliable and versatile, particularly to handle very low and very high sample volumes. This review will
focus on the strengths and weaknesses of this technique and the different MEPS architectures commer cially available in the context of the MEPS applications reported in the last five years. Additionally, innova tive improvements will be highlighted, particularly those related with new applications and recent MEPS
configurations and sorbents, such as the controlled directional flow or the innovative µSPEed variant.
Description
Keywords
Microextraction by packed sorbent MEPS . Faculdade de Ciências Exatas e da Engenharia Centro de Química da Madeira
Citation
Pereira, J. A., Gonçalves, J., Porto-Figueira, P., Figueira, J. A., Alves, V., Perestrelo, R., ... & Câmara, J. S. (2019). Current trends on microextraction by packed sorbent–fundamentals, application fields, innovative improvements and future applications. Analyst, 144(17), 5048-5074. DOI: 10.1039/C8AN02464B