膜・界面における物質の認識に関する基礎研究

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タイトル別名
  • Fundamental studies on membranes and interfaces for specific recognition of ions and molecules.
  • マク カイメン ニ オケル ブッシツ ノ ニンシキ ニ カンスル キソ ケンキ

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Recent studies from the author's laboratory were critically reviewed. Four different types of new sensors were constructed and evaluated : i) Uphill transport membrane electrodes, ii) Electrochemical immunoassay with protein-pendant liposomes and ion selective electrodes, iii) Biological polyanion sensor using lipophilic macrocyclic polyamines and iv) Carrier transport membrane electrode. Also, fundamental studies on the recognition of chemical species at membrane surfaces were made. As for the liquid membrane, some comparative measurements were made between membrane potentials and extractability of solvent extraction for several common ion associate systems. A new empirical rule was found from this. In this connection, mass transport across the interface of liquid membrane ion selective electrodes was measured simultaneously with membrane potentials using a specially designed microcell. Photo-responsive crown ethers were used to construct photo-switching ion selective liquid membrane sensors. Also, the charge separation process at the CuS solid membrane and LaF3 solid membranes was studied in terms of surface stoichiometry vs. membrane potentials. pH response of platinum electrodes in various protein solution was correlated with the isoelectric point of each adsorbed protein.

収録刊行物

  • 分析化学

    分析化学 35 (7), 559-573, 1986

    公益社団法人 日本分析化学会

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