Highly Selective Fluoride Ion Detection Based on a Fluorescent Alizarin-o-Aminomethylphenylboronic Acid Ensemble in Aqueous MeOH Solution

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著者

    • KUBO Yuji
    • Department of Applied Chemistry, Graduate School of Science and Engineering, Saitama University
    • ISHIDA Tomohisa
    • Department of Applied Chemistry, Graduate School of Science and Engineering, Saitama University
    • MINAMI Tsuyoshi
    • Department of Applied Chemistry, Graduate School of Science and Engineering, Saitama University

抄録

A self-organized fluorescent sensor consisting of alizarin and <I>o</I>-aminomethylphenylboronic acid <B>1</B> is presented, the ensemble shows highly selective fluoride ion-response in H<SUB>2</SUB>O–MeOH (1:4 w/w) at pH 5.5. Compound <B>1</B> (p<I>K</I><SUB>a</SUB> = 5.63) at pH 5.5 in the solution follows the equilibrium: alizarin–<B>1</B> + H<SUP>+</SUP> <B>1</B>H<SUP>+</SUP> + alizarin. Thus, F<SUP>−</SUP> added into the solution preferably binds to <B>1</B>H<SUP>+</SUP> to allow the ensemble to release alizarin, resulting in a fluorescence quenching.

収録刊行物

  • Chemistry letters  

    Chemistry letters 35(9), 996-997, 2006-09-05 

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10018062846
  • 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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