Non-enzymatic glucose sensors based on controllable nanoporous gold/copper oxide nanohybrids

Xinxin Xiao; Meng'En Wang; Hui Li; Yichuan Pan; Pengchao Si

doi:10.1016/j.talanta.2014.03.030

Non-enzymatic glucose sensors based on controllable nanoporous gold/copper oxide nanohybrids

Xinxin Xiao
, Meng'En Wang
, Hui Li
, Yichuan Pan
, Pengchao Si

Binghamton University Research Foundation

Binghamton University

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

83 Scopus citations

Abstract

A kind of dealloyed nanoporous gold (NPG)/ultrathin CuO film nanohybrid for non-enzymatic glucose sensing has been prepared by a simple, in-situ, time-saving and controllable two-step electrodeposition. The three-dimensional and bicontinuous nanoporous structure of the nanocomposites have been characterized by scanning electron microscope (SEM) and transmission electron microscopy (TEM), and the electrochemical tests have been estimated by cyclic voltammetry and single potential step chronoamperometry (SPSC). The optimal NPG/CuO electrode exhibits great electrocatalytic activity towards glucose oxidation and also shows obvious linear response to glucose up to 12 mM with a high sensitivity of 374.0 μA cm^-2 mM^-1 and a good detection limit of 2.8 μM (S/N=3), as well as strong tolerance against chloride poisoning and interference of ascorbic acid and uric acid.

Original language	English
Pages (from-to)	366-371
Number of pages	6
Journal	Talanta
Volume	125
DOIs	https://doi.org/10.1016/j.talanta.2014.03.030
State	Published - Jul 1 2014

Keywords

Copper oxide
Glucose
Nanoporous gold
Non-enzymatic

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10.1016/j.talanta.2014.03.030

Cite this

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title = "Non-enzymatic glucose sensors based on controllable nanoporous gold/copper oxide nanohybrids",

abstract = "A kind of dealloyed nanoporous gold (NPG)/ultrathin CuO film nanohybrid for non-enzymatic glucose sensing has been prepared by a simple, in-situ, time-saving and controllable two-step electrodeposition. The three-dimensional and bicontinuous nanoporous structure of the nanocomposites have been characterized by scanning electron microscope (SEM) and transmission electron microscopy (TEM), and the electrochemical tests have been estimated by cyclic voltammetry and single potential step chronoamperometry (SPSC). The optimal NPG/CuO electrode exhibits great electrocatalytic activity towards glucose oxidation and also shows obvious linear response to glucose up to 12 mM with a high sensitivity of 374.0 μA cm-2 mM-1 and a good detection limit of 2.8 μM (S/N=3), as well as strong tolerance against chloride poisoning and interference of ascorbic acid and uric acid.",

keywords = "Copper oxide, Glucose, Nanoporous gold, Non-enzymatic",

author = "Xinxin Xiao and Meng'En Wang and Hui Li and Yichuan Pan and Pengchao Si",

year = "2014",

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doi = "10.1016/j.talanta.2014.03.030",

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TY - JOUR

T1 - Non-enzymatic glucose sensors based on controllable nanoporous gold/copper oxide nanohybrids

AU - Xiao, Xinxin

AU - Wang, Meng'En

AU - Li, Hui

AU - Pan, Yichuan

AU - Si, Pengchao

PY - 2014/7/1

Y1 - 2014/7/1

N2 - A kind of dealloyed nanoporous gold (NPG)/ultrathin CuO film nanohybrid for non-enzymatic glucose sensing has been prepared by a simple, in-situ, time-saving and controllable two-step electrodeposition. The three-dimensional and bicontinuous nanoporous structure of the nanocomposites have been characterized by scanning electron microscope (SEM) and transmission electron microscopy (TEM), and the electrochemical tests have been estimated by cyclic voltammetry and single potential step chronoamperometry (SPSC). The optimal NPG/CuO electrode exhibits great electrocatalytic activity towards glucose oxidation and also shows obvious linear response to glucose up to 12 mM with a high sensitivity of 374.0 μA cm-2 mM-1 and a good detection limit of 2.8 μM (S/N=3), as well as strong tolerance against chloride poisoning and interference of ascorbic acid and uric acid.

AB - A kind of dealloyed nanoporous gold (NPG)/ultrathin CuO film nanohybrid for non-enzymatic glucose sensing has been prepared by a simple, in-situ, time-saving and controllable two-step electrodeposition. The three-dimensional and bicontinuous nanoporous structure of the nanocomposites have been characterized by scanning electron microscope (SEM) and transmission electron microscopy (TEM), and the electrochemical tests have been estimated by cyclic voltammetry and single potential step chronoamperometry (SPSC). The optimal NPG/CuO electrode exhibits great electrocatalytic activity towards glucose oxidation and also shows obvious linear response to glucose up to 12 mM with a high sensitivity of 374.0 μA cm-2 mM-1 and a good detection limit of 2.8 μM (S/N=3), as well as strong tolerance against chloride poisoning and interference of ascorbic acid and uric acid.

KW - Copper oxide

KW - Glucose

KW - Nanoporous gold

KW - Non-enzymatic

UR - https://www.scopus.com/pages/publications/84898072719

U2 - 10.1016/j.talanta.2014.03.030

DO - 10.1016/j.talanta.2014.03.030

M3 - Article

C2 - 24840458

SN - 0039-9140

VL - 125

SP - 366

EP - 371

JO - Talanta

JF - Talanta

ER -

Non-enzymatic glucose sensors based on controllable nanoporous gold/copper oxide nanohybrids

Abstract

Keywords

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