Synthesis of copper nanorods for non-enzymatic amperometric sensing of glucose

Xiangjian Liu; Wenxiu Yang; Lulu Chen; Jianbo Jia

doi:10.1007/s00604-016-1878-4

Synthesis of copper nanorods for non-enzymatic amperometric sensing of glucose

Xiangjian Liu, Wenxiu Yang, Lulu Chen, Jianbo Jia^*

^*Corresponding author for this work

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

48 Citations (Scopus)

Abstract

An electrochemical non-enzymatic glucose sensor based on copper nanorods (CuNRs) was developed. The CuNRs were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction spectroscopy, and X-ray photoelectron spectroscopy. The results display a layer of rough cuprous oxide that is formed on the surface of CuNRs. The CuNR- modified glassy carbon electrode exhibits an outstanding capability in terms of nonenzymatic sensing of glucose. The sensor displays high sensitivity (1490 μA•mM⁻¹•cm⁻²), fast response time (less than 5 s), a low detection limit of 8 nM (S/N = 3), long term stability, and excellent anti-fouling ability. The sensor was applied to the detection of glucose in (spiked) human serum and in black ice tea, with relative standard deviations (for n = 6) of 1.7 % and 1.9 %, respectively. [Figure not available: see fulltext.]

Original language	English
Pages (from-to)	2369-2375
Number of pages	7
Journal	Microchimica Acta
Volume	183
Issue number	8
DOIs	https://doi.org/10.1007/s00604-016-1878-4
Publication status	Published - 1 Aug 2016
Externally published	Yes

Keywords

Cuprous oxide
Cyclic voltammetry
Electrochemical sensor
Electrooxidation
Glassy carbon electrode
Nafion
Nanomaterial

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10.1007/s00604-016-1878-4

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title = "Synthesis of copper nanorods for non-enzymatic amperometric sensing of glucose",

abstract = "An electrochemical non-enzymatic glucose sensor based on copper nanorods (CuNRs) was developed. The CuNRs were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction spectroscopy, and X-ray photoelectron spectroscopy. The results display a layer of rough cuprous oxide that is formed on the surface of CuNRs. The CuNR- modified glassy carbon electrode exhibits an outstanding capability in terms of nonenzymatic sensing of glucose. The sensor displays high sensitivity (1490 μA•mM−1•cm−2), fast response time (less than 5 s), a low detection limit of 8 nM (S/N = 3), long term stability, and excellent anti-fouling ability. The sensor was applied to the detection of glucose in (spiked) human serum and in black ice tea, with relative standard deviations (for n = 6) of 1.7 \% and 1.9 \%, respectively. [Figure not available: see fulltext.]",

keywords = "Cuprous oxide, Cyclic voltammetry, Electrochemical sensor, Electrooxidation, Glassy carbon electrode, Nafion, Nanomaterial",

author = "Xiangjian Liu and Wenxiu Yang and Lulu Chen and Jianbo Jia",

note = "Publisher Copyright: {\textcopyright} 2016, Springer-Verlag Wien.",

year = "2016",

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doi = "10.1007/s00604-016-1878-4",

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T1 - Synthesis of copper nanorods for non-enzymatic amperometric sensing of glucose

AU - Liu, Xiangjian

AU - Yang, Wenxiu

AU - Chen, Lulu

AU - Jia, Jianbo

PY - 2016/8/1

Y1 - 2016/8/1

N2 - An electrochemical non-enzymatic glucose sensor based on copper nanorods (CuNRs) was developed. The CuNRs were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction spectroscopy, and X-ray photoelectron spectroscopy. The results display a layer of rough cuprous oxide that is formed on the surface of CuNRs. The CuNR- modified glassy carbon electrode exhibits an outstanding capability in terms of nonenzymatic sensing of glucose. The sensor displays high sensitivity (1490 μA•mM−1•cm−2), fast response time (less than 5 s), a low detection limit of 8 nM (S/N = 3), long term stability, and excellent anti-fouling ability. The sensor was applied to the detection of glucose in (spiked) human serum and in black ice tea, with relative standard deviations (for n = 6) of 1.7 % and 1.9 %, respectively. [Figure not available: see fulltext.]

AB - An electrochemical non-enzymatic glucose sensor based on copper nanorods (CuNRs) was developed. The CuNRs were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction spectroscopy, and X-ray photoelectron spectroscopy. The results display a layer of rough cuprous oxide that is formed on the surface of CuNRs. The CuNR- modified glassy carbon electrode exhibits an outstanding capability in terms of nonenzymatic sensing of glucose. The sensor displays high sensitivity (1490 μA•mM−1•cm−2), fast response time (less than 5 s), a low detection limit of 8 nM (S/N = 3), long term stability, and excellent anti-fouling ability. The sensor was applied to the detection of glucose in (spiked) human serum and in black ice tea, with relative standard deviations (for n = 6) of 1.7 % and 1.9 %, respectively. [Figure not available: see fulltext.]

KW - Cuprous oxide

KW - Cyclic voltammetry

KW - Electrochemical sensor

KW - Electrooxidation

KW - Glassy carbon electrode

KW - Nafion

KW - Nanomaterial

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JO - Microchimica Acta

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IS - 8

ER -

Synthesis of copper nanorods for non-enzymatic amperometric sensing of glucose

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Keywords

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