Analytical Chemistry for Advanced Technologies. Miniaturized analytical system using fibrous packing media.

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  • 高度技術を支える分析化学　　ファイバーを媒体とするマイクロ分析システム
  • ファイバーを媒体とするマイクロ分析システム
  • ファイバー オ バイタイ ト スル マイクロ ブンセキ システム

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Description

The miniaturization of analytical systems is the most important issue in recent analytical chemistry, since it realizes high performance, rapid analysis with low-cost operation and environmental compatibility. In a typical analytical system, two major processes exist, such as a procedure for sample preparation and another procedure for actual analysis. In the former part, extraction and preconcentration are the major purposes for preparing analytical samples before analysis. As a conventional method, liquid-liquid extraction (LLE) or solid-phase extraction (SPE) are popular. In the latter part, separating components in an analytical sample and then identifying and quantifying each isolated component should be performed by using chromatography and spectroscopy as the hyphenated system. Liquid chromatography (LC) coupled with photodiode array UV/Vis detection and/or mass spectrometric detection (MS) are very popular. At the present time, although many attempts have been made to realize a miniaturized system, we are still far from realizing the most ideal and useful one. In our previous investigations, a miniaturized analytical system for practical applications using a novel “fiber-in-tube” configuration was developed and applied to the sample-preparation process as an SPE medium. Fiber-packed columns have been studied in capillary separations, such as microcolumn LC, capillary electrochromatography (CEC) and gas chromatography (GC). In this article, recent results concerning the miniaturization of these analytical systems are reviewed while mainly focusing on a novel usage of synthetic polymeric fibrous materials.

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 50 (12), 775-783, 2001

    The Japan Society for Analytical Chemistry

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