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Inhibition of Electrochemical Fouling against Biomolecules on a Diamond-Like Carbon Electrode

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Abstract

An anti-fouling ability of diamond-like carbon (DLC) electrodes to biological macromolecules has been investigated from a decrease in the electrochemical redox current of Fe(CN)64–/3–, used as a redox marker. A DLC electrode and a glassy carbon (GC) electrode were immersed in a solution containing bovine serum albumin (BSA) or DNA. The GCs treated with biological macromolecules gave rise to a significant decrease in the currents, while there was no signal decreases from the treated DLCs. The signals from the DLCs remain essentially unchanged for at least 24 h at a 10 mg/mL concentration level of BSA.

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Authors and Affiliations

  1. Graduate School of Material Science, University of Hyogo, 3-2-1 Kouto, Kamigori, Ako-gun, Hyogo, 678-1297, Japan

    Takuya Goto, Tomoyuki Yasukawa, Kazuhiro Kanda & Fumio Mizutani

  2. JST-CREST, 5 Sanbancho, Chiyoda, Tokyo, 102-0075, Japan

    Tomoyuki Yasukawa

  3. Laboratory of Advanced Science and Technology for Industry, University of Hyogo, 3-1-2 Kouto, Kamigori, Ako-gun, Hyogo, 678-1205, Japan

    Shinji Matsui

Authors
  1. Takuya Goto
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  2. Tomoyuki Yasukawa
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  3. Kazuhiro Kanda
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  4. Shinji Matsui
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  5. Fumio Mizutani
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Correspondence to Tomoyuki Yasukawa.

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Goto, T., Yasukawa, T., Kanda, K. et al. Inhibition of Electrochemical Fouling against Biomolecules on a Diamond-Like Carbon Electrode. ANAL. SCI. 27, 91–94 (2011). https://doi.org/10.2116/analsci.27.91

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  • DOI: https://doi.org/10.2116/analsci.27.91

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