Nanoporous gold for enzyme-free electrochemical glucose sensors

L. Y. Chen; X. Y. Lang; T. Fujita; M. W. Chen

doi:10.1016/j.scriptamat.2011.03.025

Nanoporous gold for enzyme-free electrochemical glucose sensors

L. Y. Chen, X. Y. Lang, T. Fujita, M. W. Chen

Advanced Institute for Materials Research (AIMR)

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

64 Citations (Scopus)

Abstract

We report the detection of non-enzyme electrochemical glucose using nanoporous gold (NPG) as electrodes. The free-standing NPG films showed a robust and sensitive current response to glucose. The effects of pore sizes, detecting potentials and chloride ions on glucose oxidation were systematically investigated. NPG with a smaller pore size possesses higher sensitivity. In addition, the NPG electrodes can effectively avoid interference from the oxidation of common organic interferents in body liquids. The high sensitivity and selectivity make NPG promising electrodes for applications in electrochemical biosensors.

Original language	English
Pages (from-to)	17-20
Number of pages	4
Journal	Scripta Materialia
Volume	65
Issue number	1
DOIs	https://doi.org/10.1016/j.scriptamat.2011.03.025
Publication status	Published - 2011 Jun

Keywords

Biosensor
Catalysis
Nanostructure
Porous materials

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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10.1016/j.scriptamat.2011.03.025

Cite this

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title = "Nanoporous gold for enzyme-free electrochemical glucose sensors",

abstract = "We report the detection of non-enzyme electrochemical glucose using nanoporous gold (NPG) as electrodes. The free-standing NPG films showed a robust and sensitive current response to glucose. The effects of pore sizes, detecting potentials and chloride ions on glucose oxidation were systematically investigated. NPG with a smaller pore size possesses higher sensitivity. In addition, the NPG electrodes can effectively avoid interference from the oxidation of common organic interferents in body liquids. The high sensitivity and selectivity make NPG promising electrodes for applications in electrochemical biosensors.",

keywords = "Biosensor, Catalysis, Nanostructure, Porous materials",

author = "Chen, {L. Y.} and Lang, {X. Y.} and T. Fujita and Chen, {M. W.}",

note = "Funding Information: This research was sponsored by the Grant-in-Aid Wakate-B ; Global COE for Materials Research and Education ; Iketani Science and Technology Foundation ; Murata Science Foundation ; Inamori Foundation ; and World Premier International (WPI) Research Center Initiative for Atoms, Molecules and Materials , MEXT , Japan. ",

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T1 - Nanoporous gold for enzyme-free electrochemical glucose sensors

AU - Chen, L. Y.

AU - Lang, X. Y.

AU - Fujita, T.

AU - Chen, M. W.

N1 - Funding Information: This research was sponsored by the Grant-in-Aid Wakate-B ; Global COE for Materials Research and Education ; Iketani Science and Technology Foundation ; Murata Science Foundation ; Inamori Foundation ; and World Premier International (WPI) Research Center Initiative for Atoms, Molecules and Materials , MEXT , Japan.

PY - 2011/6

Y1 - 2011/6

N2 - We report the detection of non-enzyme electrochemical glucose using nanoporous gold (NPG) as electrodes. The free-standing NPG films showed a robust and sensitive current response to glucose. The effects of pore sizes, detecting potentials and chloride ions on glucose oxidation were systematically investigated. NPG with a smaller pore size possesses higher sensitivity. In addition, the NPG electrodes can effectively avoid interference from the oxidation of common organic interferents in body liquids. The high sensitivity and selectivity make NPG promising electrodes for applications in electrochemical biosensors.

AB - We report the detection of non-enzyme electrochemical glucose using nanoporous gold (NPG) as electrodes. The free-standing NPG films showed a robust and sensitive current response to glucose. The effects of pore sizes, detecting potentials and chloride ions on glucose oxidation were systematically investigated. NPG with a smaller pore size possesses higher sensitivity. In addition, the NPG electrodes can effectively avoid interference from the oxidation of common organic interferents in body liquids. The high sensitivity and selectivity make NPG promising electrodes for applications in electrochemical biosensors.

KW - Biosensor

KW - Catalysis

KW - Nanostructure

KW - Porous materials

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Nanoporous gold for enzyme-free electrochemical glucose sensors

Abstract

Keywords

ASJC Scopus subject areas

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