Development and Application of Electroanalytical Methods in Biomedical Fields

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  • Kusu Fumiyo
    School of Pharmacy, Tokyo University of Pharmacy and Life Sciences

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  • バイオメディカル領域における電気分析法の開発と応用
  • バイオメディカル リョウイキ ニ オケル デンキ ブンセキホウ ノ カイハツ ト オウヨウ

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Abstract

  To summarize our electroanalytical research in the biomedical field over the past 43 years, this review describes studies on specular reflection measurement, redox potential determination, amperometric acid sensing, HPLC with electrochemical detection, and potential oscillation across a liquid membrane. The specular reflection method was used for clarifying the adsorption of neurotransmitters and their related drugs onto a gold electrode and the interaction between dental alloys and compound iodine glycerin. A voltammetric screening test using a redox potential for the antioxidative effect of flavonoids was proposed. Amperometric acid sensing based on the measurement of the reduction prepeak current of 2-methyl-1,4-naphthoquinone (VK3) or 3,5-di-tert-buty1-1,2-benzoquinone (DBBQ) was applied to determine acid values of fats and oils, titrable acidity of coffee, and enzyme activity of lipase, free fatty acids (FFAs) in serum, short-chain fatty acids in feces, etc. The electrode reactions of phenothiazines, catechins, and cholesterol were applied to biomedical analysis using HPLC with electrochemical detection. A three-channel electrochemical detection system was utilized for the sensitive determination of redox compounds in Chinese herbal medicines. The behavior of barbituric acid derivatives was examined based on potential oscillation measurements.<br>

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  • YAKUGAKU ZASSHI

    YAKUGAKU ZASSHI 135 (3), 415-430, 2015-03-01

    The Pharmaceutical Society of Japan

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