The electrooxidation of organic acids at boron-doped diamond electrodes |
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| Affiliation: | 1. Department of Chemistry, Faculty of Sciences, Karadeniz Technical University, 61080 Trabzon, Turkey;2. Department of Chemical Engineering, Engineering Faculty, Marmara University, 34722 Göztepe, Istanbul, Turkey;3. Department of Chemistry, Faculty of Science, Istanbul Technical University, Maslak, Istanbul, Turkey;1. Department of Nanofusion Technology, Pusan National University, 30 Jangjeon-dong, Geumjung-gu, Busan 609-735, Republic of Korea;2. School of Mechanical Engineering, Pusan National University, 30 Jangjeon-dong, Geumjung-gu, Busan 609-735, Republic of Korea;3. Department of Nano Energy Engineering, Pusan National University, 30 Jangjeon-dong, Geumjung-gu, Busan 609-735, Republic of Korea;1. Department of Chemistry, College of Science, Nanjing Agricultural University, Nanjing 210095, China;2. Suzhou Key Laboratory of Environment and Biosafety, Suzhou Academy of Southeast University, Dushuhu Lake Higher Education Town, Suzhou 215123, China;3. State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096, China;1. Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901, Ribeirão Preto, SP, Brazil;2. Université de Poitiers, UMR CNRS 7285, IC2MP, TSA 51106, 86073, Poitiers Cedex 09, France;1. Department of Chemistry, College of Science, Nanjing Agricultural University, Nanjing 210095, China;2. Suzhou Key Laboratory of Environment and Biosafety, Suzhou Academy of Southeast University, Dushuhu Lake Higher Education Town, Suzhou 215123, China;3. State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096, China |
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| Abstract: | The electrooxidation of citric acid, malic acid, alanine and cysteine at boron-doped diamond (BDD) electrodes and glassy carbon (GC) electrodes was investigated by use of cyclic voltammetry. Well-defined, irreversible peaks were obtained for the oxidation of citric acid and cysteine. Malic acid and alanine exhibit discernible responses. This preliminary study has shown that BDD has better sensitivity than GC for these compounds. Except for cysteine, none of the studied compounds exhibits a recognizable oxidation peak at GC electrodes at millimolar concentration levels. |
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