Voltammetric response of phenylboronic acid monolayer-modified gold electrode to sugars

Shigehiro Takahashi; Yoshitomo Kashiwagi; Tomonori Hoshi; Jun Ichi Anzai

doi:10.2116/analsci.20.757

Voltammetric response of phenylboronic acid monolayer-modified gold electrode to sugars

Shigehiro Takahashi, Yoshitomo Kashiwagi, Tomonori Hoshi, Jun Ichi Anzai

HOSP - Clinical Research, Innovation and Education Center

Tohoku University

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

The surface of a gold (Au) disk electrode was modified with a self-assembled monolayer consisting of phenylboronic acid moiety to fabricate a voltammetric sensor sensitive to sugars. The modified Au electrode exhibited a voltammetric response to sugars in the presence of Fe(CN)₆ ^3- ion in the sample solution at neutral pH. The peak current of the cyclic voltammograms decreased depending on the type and concentration of sugars. The dynamic range of the electrode is 3-100 mM for glucose and mannose and 1-30 mM for fructose. The sugar sensor can be used repeatedly after rinsing in 10 mM acetate buffer (pH 4.5).

Original language	English
Pages (from-to)	757-759
Number of pages	3
Journal	Analytical Sciences
Volume	20
Issue number	5
DOIs	https://doi.org/10.2116/analsci.20.757
Publication status	Published - 2004 May

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abstract = "The surface of a gold (Au) disk electrode was modified with a self-assembled monolayer consisting of phenylboronic acid moiety to fabricate a voltammetric sensor sensitive to sugars. The modified Au electrode exhibited a voltammetric response to sugars in the presence of Fe(CN)6 3- ion in the sample solution at neutral pH. The peak current of the cyclic voltammograms decreased depending on the type and concentration of sugars. The dynamic range of the electrode is 3-100 mM for glucose and mannose and 1-30 mM for fructose. The sugar sensor can be used repeatedly after rinsing in 10 mM acetate buffer (pH 4.5).",

author = "Shigehiro Takahashi and Yoshitomo Kashiwagi and Tomonori Hoshi and Anzai, {Jun Ichi}",

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AU - Anzai, Jun Ichi

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N2 - The surface of a gold (Au) disk electrode was modified with a self-assembled monolayer consisting of phenylboronic acid moiety to fabricate a voltammetric sensor sensitive to sugars. The modified Au electrode exhibited a voltammetric response to sugars in the presence of Fe(CN)6 3- ion in the sample solution at neutral pH. The peak current of the cyclic voltammograms decreased depending on the type and concentration of sugars. The dynamic range of the electrode is 3-100 mM for glucose and mannose and 1-30 mM for fructose. The sugar sensor can be used repeatedly after rinsing in 10 mM acetate buffer (pH 4.5).

AB - The surface of a gold (Au) disk electrode was modified with a self-assembled monolayer consisting of phenylboronic acid moiety to fabricate a voltammetric sensor sensitive to sugars. The modified Au electrode exhibited a voltammetric response to sugars in the presence of Fe(CN)6 3- ion in the sample solution at neutral pH. The peak current of the cyclic voltammograms decreased depending on the type and concentration of sugars. The dynamic range of the electrode is 3-100 mM for glucose and mannose and 1-30 mM for fructose. The sugar sensor can be used repeatedly after rinsing in 10 mM acetate buffer (pH 4.5).

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Voltammetric response of phenylboronic acid monolayer-modified gold electrode to sugars

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