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In situ Observation of Trace Amounts of Adsorbed species at Alloy Electrode/Solution Interface

Research Project

Project/Area Number 06650937
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 工業分析化学
Research InstitutionTokyo University of Pharmacy and Life Science

Principal Investigator

KUSU Fumiyo  Tokyo University of Pharmacy and Life Scinece, School of Pharmacy, Associate Professor, 薬学部, 助教授 (70057371)

Project Period (FY) 1994 – 1995
Project Status Completed (Fiscal Year 1995)
Budget Amount *help
¥2,200,000 (Direct Cost: ¥2,200,000)
Fiscal Year 1995: ¥300,000 (Direct Cost: ¥300,000)
Fiscal Year 1994: ¥1,900,000 (Direct Cost: ¥1,900,000)
KeywordsSpecular reflection / Voltammetry / Electrochemical quartz crystal microbalance / Alloy electrode / solution interfaces / Adsorption / Drugs / Dental alloy / 合金
Research Abstract

An apparatus for in situ observation of adsorbed species at alloy electrode/solution interfaces was developed in the present research. It permitted observation of drug adsorption on dental alloy electrodes. The obtained results are as follows.
1. An apparatus for in situ observation of adsorbed species at alloy electrode The apparatus consists of equipments for voltammetry, specular reflection, in situ electrochemical quartz crystal microbalance (EQCM) etc. Eltctrochemical properties of various dental alloy electrodes in artificial saliva were obtained by voltammetry. Usefulness of the specular reflection and EQCM for studying adsorption of iodide ion on gold electrode was assessed.
2. Adsorption and surface reaction of druge at alloy of precious metals Interactions between dental alloys of precious metals and oral germicidal drugs were examined using the apparatus. A very thin films, one or two monolayr, of AgI and CuI were formed on the alloy surfaces in artificial saliva containing compound iodine glycerin.
3. Interaction between alloy of base metals and compound iodine glycerin. No surface layr was observed on dental alloy of base metal in arificial salive containing compound iodine glycerin. Elution of metal ions from Ni-Cr alloy was caused by iodine in compound iodine glycerin.
The apparatus was shown useful for in situ observation of trace substances at alloy electrode/solution interfaces.

Report

(3 results)
  • 1995 Annual Research Report   Final Research Report Summary
  • 1994 Annual Research Report
  • Research Products

    (6 results)

All Other

All Publications (6 results)

  • [Publications] 楠 文代: "Elution of Nickel Ions from Dental Ni-Cr Alloy by Compound Iodine Glycerin in Artificial Saliva" 表面技術. 46. 377-378 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 荒井健介,楠 文代,野口直人,高村喜代子,大澤久男: "Selective Determination of Chloride and Bromide Ions in Serum by Cyclic Voltammetry" Anal. Biochem.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 荒井健介,楠 文代,大江慶司,高村喜代子: "Adsorption of Iodide Ion on Polycrystalline Gold Studied by the Specular Reflection Method and the Electrochemical Quartz Crystal Microbalance" Electrochim. Acta.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Fumiyo Kusu, et al.: "Elution of Nickel Ions from Dental Ni-Cr Alloy by Compound Iodine Glycerin in Artificial Saliva" Hyomen Gijutu. 46. 377-378 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Kensuke Araiu, et al.: "Selective Determination of Chloride and Bromide Ions in Serum by Cyclic Voltammetry" Anal. Biochem. (to be published).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Kensuke Araiu, et al.: "Adsorption of Iodide Ion on Polycrystalline Gold Studied by the Specular Reflection Method and the Electrochemical Quartz Crystal Microbalance" Electrochim. Acta. (to be published).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary

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Published: 1994-04-01   Modified: 2016-04-21  

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