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Updated: Jun 18, 2026

Extraction of Aqueous Metabolites from Cultured Adherent Cells for Metabolomic Analysis by Capillary Electrophoresis-Mass Spectrometry
Published on: June 9, 2019
Developments and applications of capillary microextraction techniques: a review
Hiroyuki Kataoka1, Atsushi Ishizaki, Yuko Nonaka
1School of Pharmacy, Shujitsu University, 1-6-1, Nishigawara, Okayama 703-8516, Japan. hkataoka@shujitsu.ac.jp
Abstract:
Sample preparation is important for isolating desired components from complex matrices and greatly influences their reliable and accurate analysis. Recent trends in sample preparation include miniaturization, automation, high-throughput performance, and reduction in solvent consumption and operation time. This review focuses on novel microextraction techniques using capillaries for off-line and on-line sample preparation. Open-tubular trapping (OTT), in-tube solid-phase microextraction (SPME), wire-in-tube SPME, fiber-in-tube solid-phase extraction (SPE), sorbent-packed capillary in-tube SPME and monolithic capillary in-tube SPME are critically evaluated and applications of these techniques in biological, pharmaceutical, environmental and food analyses are summarized.
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