Mesomorphic Effect of Discotic-type Liquid-crystalline Compounds as Neutral Carriers on Potentiometric Ion-sensing Membranes

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著者

    • NISHIMURA Hiroshi
    • Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology
    • SHIBUTANI Yasuhiko
    • Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology
    • SUGINO Takushi
    • Research Institute for Cell Engineering, National Institute of Advanced Industrial Science and Technology (AIST)
    • SHIMIZU Yo
    • Nanotechnology Research Institutes, National Institute of Advanced Industrial Science and Technology (AIST)

抄録

Mesomorphic porphyrin, 5,10,15,20-tetrakis(4-<I>n</I>-dodecylphenyl)porphyrin (C<SUB>12</SUB>TPPH<SUB>2</SUB>) and the cobalt complex C<SUB>12</SUB>TPPCo were used as neutral carriers of ion-selective electrodes (ISEs) to investigate the mesomorphic effect in potentiometric cation- and anion-sensing membranes. The selectivity coefficiency of a potentiometric cation-sensing membrane incorporating C<SUB>12</SUB>TPPH<SUB>2</SUB> was drastically affected by heat-induced phase transitions of ionophoric liquid-crystalline compound. This paper is the first report that proved the heat-induced phase transition of ionophoric liquid-crystalline compound in the potentiometric ion-sensing membrane. It is noteworthy that selectivity sequence of the potentiometric cation-sensing membrane is remarkable changed by the mesomorphic effect. Furthermore, mesomorphic effect on a potentiometric anion-sensing membrane incorporating C<SUB>12</SUB>TPPCo was also demonstrated.

収録刊行物

  • Chemistry letters  

    Chemistry letters 37(4), 450-451, 2008-04-05 

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10021079733
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    03667022
  • データ提供元
    CJP書誌  J-STAGE 
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