• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

1998 Fiscal Year Final Research Report Summary

Molecular Design of Alkali Metal Ion Probes for Use in Aqueous Media

Research Project

Project/Area Number 09650893
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 工業分析化学
Research InstitutionTohoku University

Principal Investigator

HAYASHITA Takashi  Tohoku University Dept.of Chem.Associate Professor, 大学院・理学研究科, 助教授 (70183564)

Co-Investigator(Kenkyū-buntansha) TAKAGI Makoto  Tohoku University Dept.of Mol.Chem.Professor, 大学院・工学研究科, 教授 (90037739)
NISHIZAWA Seiichi  Tohoku University Dept.of Chem.Research Associate, 大学院・理学研究科, 助手 (40281969)
UCHIDA Tatsuya  Tohoku University Dept.of Chem.Research Associate, 大学院・理学研究科, 助手 (30261548)
Project Period (FY) 1997 – 1998
KeywordsChromoionophore / Fluoroionophore / Crown Ether / Micelle / Cyclodextrin / Alkali Metal Ion / Sensing / Aqueous Media
Research Abstract

A selective colorimetry of alkali metal cations in aqueous micellar solution containingsym-(alkyyl)(2-hydroxy-5-nitrobenzyloxy)dibenzo-1 6-crown-5 (1) has been examined. Colorimetric behavior were found to be strongly affected by the surface charge of micellar species and a selective colorimetry of Na^+ was performed in the anionic micellar solution containing lipophilic DB 16C5 chromoionophore. By introducing pyrenecarboxamide unit into DB16C5 skeleton (2), a fluorescent response for Na^+ binding is expected. It was found that proton dissociation of the carboxamido moiety in fluoroionophore was promoted by Na^+ binding, which resulted in an efficient ratiometric emission due to internal charge transfer (ICT) from the donorcarboxamido anion to the pyrene acceptor. No fluorescent response was induced by the presence of Li^+ or Cs^+. Thus fluoroionophore 2 exhibited a dual emission response with high Na^+ selectivity in 4 : 1 1 , 4-dioxane-water (v/v). The benzo-15-crown-5 (B15C5) fluoroionophore 3 can be classified as a photoinduced electron transfer (PET) sensor. A moderate Na^+ selectivity is obtained for 3 based on a 1 : 1 complex formation ability of the B 1 5C5 moiety in a non-aqueoussolution. In contrast, 3 was found to work as a novel ion probe in the presence of gamma-CyD, and it achieved high sensitivity and selectivity for K^+ even in the presence of Na^+. The results revealed that 3 formed a 2 : 1 complex with high selectivity for K^+ in the presence of gamma-CyD, and it exhibited both monomer and dimer emission in water.

  • Research Products

    (10 results)

All Other

All Publications (10 results)

  • [Publications] A.Yamauchi, T.Hayashita, S.Nishizawa, N.Teramae, et al.: "“Benzo-15-crown-5 Fluoroionophore/g-Cyclodextrin Complex with Remarkably High Potassium Ion Sensitivity and Selectivity in Water"" J.Am.Chem.Soc.121. 2319-2320 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Kuboyama, S.Nakamura, M.Takagi, T.Hayashita et al.: "“Selective Colorimetry of Sodium Ion in Anionic Micellar Solution Containing Dibenzo-16-crown-5 Chromoionophore"" Chem.Lett.,. 1998. 373-374 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Hayashita, N.Teramae, T.Kuboyama, M.Takagi et al.: "“Chromoionophores Based on Crown Ethers and Related Structures for Alkali Metal Ion Sensing in Aqueous Media"" J.Inclusion Phenom.Mol.Recog.Chem.32. 251-265 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Hayashita, K.Kunogi, H.Yamamoto, S.Shinkai et al.: ""Selective Colorimetry of Sodium Ion in Acidic Aqueous Media by Calix[4]crown Chromoionophore"" Anal.Sci.13. 161-166 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] R.A.Bartsch, T.Hayashita: "ACS Symposium Series ; ACS Books : Washington, DC Chapter 12" "Metal Ion Separations with Lariat Ether Ion-Exchange Resins", 183-193 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A.Yamauchi, T.Hayashita, S.Nishizawa, N.Teramae, et al.: "Benzo-15-crown-5 Fluoroionophore/g-Cyclodextrin Complex with Remarkably High Potassium Ion Sensitivity and Selectivity in Water" J.Am.Chem.Soc.121. 2319-2320 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Hayashita, N.Teramae, T.Kuboyama, M.takagi et al.: "Chromoionophores Based on Crown Ethers and Related Structures for Alkali Metal Ion Sensing in Aqueous Media" J.Inclusion Phenom.Mol.Recog.Chem.32. 251-265 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Kuboyama, S.Nakamura, M.Takagi, T.Hayashita et al.: "Selective Colorimetry of Sodium Ion in Anionic Micellar-Solution Containing Dibenzo-16-crown-5 Chromoionophore" Chem.Lett.373-374 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Hayashita, K.Kunogi, H.Yamamoto, S.Shinkai et al.: "Selective Colorimetry of Sodium Ion in Acidic Aqueous Media by Calix [4] crown Chromoionophore" Anal.Sci.13. 161-166 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] R.A.Bartsch, T.Hayashita: "Metal Ion Separations with Lariat Ether Ion-Exchange Resins" ACS Symposium Series ; ACS Books : Washington, DC Chapter. 12. 183-193 (1999)

    • Description
      「研究成果報告書概要(欧文)」より

URL: 

Published: 1999-12-08  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi