Detection of Several Carbohydrates Using Boron-doped Diamond Electrodes Modified with Nickel Hydroxide Nanoparticles

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  • TEIXEIRA Milena E.
    Department of Analytical Chemistry, Institute of Chemistry, Universidade Estadual Paulista (UNESP)
  • SEDENHO Graziela C.
    Department of Analytical Chemistry, Institute of Chemistry, Universidade Estadual Paulista (UNESP)
  • STRADIOTTO Nelson R.
    Department of Analytical Chemistry, Institute of Chemistry, Universidade Estadual Paulista (UNESP)

書誌事項

公開日
2015
資源種別
journal article
DOI
  • 10.2116/analsci.31.773
公開者
社団法人 日本分析化学会

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説明

In this work the electrooxidations of glucose, galactose, mannose, rhamnose, xylose and arabinose are studied at a nickel hydroxide nanoparticle modified boron-doped diamond electrode and compared to an unmodified electrode. These carbohydrates are very important in the second-generation ethanol production process. Nickel hydroxide modified boron-doped diamond was characterized by scanning electron microscopy and energy dispersive X-ray. Electrochemical impedance spectroscopy was employed to study the interface properties of surface-modified electrodes in the absence and presence of the carbohydrates. Limits of detection were 5.3 × 10−5, 6.8 × 10−5, 2.7 × 10−4, 6.9 × 10−5, 8.8 × 10−5 and 2.6 × 10−5 mol L−1 for glucose, galactose, mannose, rhamnose, arabinose, xylose, respectively.

収録刊行物

  • Analytical Sciences

    Analytical Sciences 31 (8), 773-780, 2015

    社団法人 日本分析化学会

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