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Micro-electromembrane extraction across multiple aqueous and organic phases for selective pretreatment of raw biological samples
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SYSNO ASEP 0468000 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Micro-electromembrane extraction across multiple aqueous and organic phases for selective pretreatment of raw biological samples Author(s) Kubáň, Pavel (UIACH-O) RID, ORCID
Boček, Petr (UIACH-O) RID
Seip, K. F. (NO)
Gjelstad, A. (NO)
Pedersen-Bjergaard, S. (NO)Number of authors 5 Source Title CECE 2016. 13th International Interdisciplinary Meeting on Bioanalysis. - Brno : Ústav analytické chemie AV ČR, v. v. i., 2016 / Foret František ; Křenková Jana ; Drobníková Iveta ; Klepárník Karel - ISBN 978-80-904959-4-4 Pages s. 158-161 Number of pages 4 s. Publication form Online - E Action CECE 2016. International Interdisciplinary Meeting on Bioanalysis /13./ Event date 17.10.2016 - 19.10.2016 VEvent location Brno Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords micro-electromembrane extraction ; sample pretreatment techniques ; biological samples Subject RIV CB - Analytical Chemistry, Separation R&D Projects GA16-09135S GA ČR - Czech Science Foundation (CSF) Institutional support UIACH-O - RVO:68081715 Annotation Micro-electromembrane extraction (μ-EME) across multiple aqueous and organic
solutions was developed for selective extractions of various analytes from untreated
biological samples. The novel approach requires μL volumes of samples and organic
solvents, which form consecutive immiscible plugs in a transparent polymeric capillary
and the extraction process is accelerated by application of d.c. voltage. Number of the
plugs, their composition, volume and sequence in the extraction capillary can be chosen
specifically for each particular application and high variability and selectivity of the
extraction process can be achieved. In this contribution, we demonstrate suitability of
a five-phase μ-EME system for simultaneous extractions of cations and anions from
urine and for selective extractions of basic analytes based on their acid-base strength
from plasma.Workplace Institute of Analytical Chemistry Contact Iveta Drobníková, drobnikova@iach.cz, Tel.: 532 290 234 Year of Publishing 2017
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