Lucigenin Chemiluminescence in Mixed-Surfactant Vesicles Formed from Aqueous Mixtures of Octyltrimethylammonium Chloride and Sodium Dodecanoate

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  • KIMURA Naoya
    Department of Applied Chemistry, Graduate School of Engineering, Tokyo Metropolitan University
  • OHNO Ken-ichi
    Department of Applied Chemistry, Graduate School of Engineering, Tokyo Metropolitan University School of Pharmaceutical Sciences, Showa University
  • YAMADA Masaaki
    Department of Applied Chemistry, Graduate School of Engineering, Tokyo Metropolitan University

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Other Title
  • ルシゲニン化学発光の反応場としての塩化オクチルトリメチルアンモニウム‐ドデカン酸ナトリウム混合ベシクル
  • ルシゲニン化学発光の反応場としての塩化オクチルトリメチルアンモニウム-ドデカン酸ナトリウム混合ベシクル
  • ルシゲニン カガク ハッコウ ノ ハンノウバ ト シテ ノ エンカ オクチルトリメチルアンモニウム ドデカンサン ナトリウム コンゴウ ベシクル

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Abstract

Mixed-surfactant vesicles, which have the possibility of controlling the reaction pathways, formed from aqueous mixtures of octyltrimethylammonium chloride and sodium dodecanoate, were evaluated for a chemiluminescence (CL) reaction medium by means of a batch method. The lucigenin CL based on the oxidation by superoxide was chosen as a model CL system. The lucigenin CL intensity was enhanced by a factor of 65 in mixed vesicles (pH 9.2) compared with no use of a surfactant. This enhancement was greater than those in other ordered surfactant aggregates, and thought to be caused by the increased CL quantum yield, which resulted from a change in the reaction pathway in the mixed vesicular medium. The present lucigenin CL system can be used for the CL determination of biological analytes under nearly neutral conditions.<br>

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 54 (8), 723-726, 2005

    The Japan Society for Analytical Chemistry

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