【原著】 チミン共有結合型ポリアリルアミン膜による水銀(II) イオンの輸送

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タイトル別名
  • 【Original Contribution】 Mercury(II)Ion Transport Across Polyallylamine Membrane fixed with Thymine
  • チミン共有結合型ポリアリルアミン膜による水銀(Ⅱ)イオンの輸送
  • チミン キョウユウ ケツゴウガタ ポリアリルアミンマク ニ ヨル スイギン(Ⅱ)イオン ノ ユソウ

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Polyallylamine (PAA)membrane fixed with thymine, one of a nucleic acid base which binds to a mercury (II)ionselectively was made by dehydration condensation of the thymine 1–acetic acid to PAA. The flux of a mercury (II)ion and a transport selectivity of a mercury (II)ion over a copper (II)ion were estimated by the transport experimentacross the polyallylamine (PAA)membrane fixed with thymine. As compared with the membrane which does nothave thymine, the flux of the mercury (II)ion became 1.8 times larger by the PAA membrane fixed with thymine.The transport selectivity over the copper (II)ion of a mercury (II)ion became 1.8 times by reduction treatment of thePAA membrane fixed with thymine. By the reduction of the membrane, since the complexing site of a mercury (II)ion increased, the selectivity of a mercury (II)ion increased. Since the concentration in the membrane of the mercu-ry (II)ion was 3.3 times that of the copper (II)ion, the mercury (II)ion forms the complex more stable than the cop-per ion in the PAA membrane.

収録刊行物

  • 膜

    膜 39 (5), 337-343, 2014

    日本膜学会

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