New Developments in Capillary Electrophoresis. Development and Improvement of Capillary Electrophoresis. Formation of a reverse parabolic flow profile with electroosmosis in capillary zone electrophoresis and the behavior of zone progress related to the application of a pulsed electric field.

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Other Title
  • キャピラリー電気泳動法の新展開 キャピラリー電気泳動法・手法の開発・改良 電気浸透流における逆放物線状フロープロフィルの形成とパルス電場によるゾーン先端の挙動
  • 電気浸透流における逆放物線状フロープロフィルの形成とパルス電場によるゾーン先端の挙動
  • デンキ シントウリュウ ニ オケル ギャク ホウブツ センジョウ フロープロフ
  • 電気浸透流における逆放物線状フロープロフィルの形成とパルス電場によるゾーン先端の挙動(「特集」キャピラリー電気泳動法の新展開)

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Abstract

The flow profile of electroosmosis in capillary-zone electrophoresis was observed using a microscope-CCD-video system, rectangular capillary (50×1000 μm) and fused-silica capillary (75 μm in diameter). A rhodamine 6 G-methanol solution was used as a fluorescent sample solution. The front zone of electrosomosis forms a reverse parabolic flow profile. The flow speed at the center of a cross-section of capillary was 0.4% lower than that at the near the wall. The progress of frontal zone while an applying pulsed electric field was observed. It was found that the growth and decay is very rapid, less than 1/15 second (which is equal to the time resolution in this experiment).

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 46 (6), 409-414, 1997

    The Japan Society for Analytical Chemistry

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