Wide Linear-Range Detecting Nonenzymatic Glucose Biosensor Based on CuO Nanoparticles Inkjet-Printed on Electrodes

被引：190

作者：

Ahmad, Rafiq ^{[1
]}

Vaseem, Mohammad ^{[1
]}

Tripathy, Nirmalya ^{[1
]}

Hahn, Yoon-Bong ^{[1
,2
]}

机构：

[1] Chonbuk Natl Univ, Sch Semicond & Chem Engn, Dept BIN Fus Technol, Jeonju 561756, South Korea

[2] Chonbuk Natl Univ, Nanomat Proc Res Ctr, Jeonju 561756, South Korea

来源：

ANALYTICAL CHEMISTRY | 2013年 / 85卷 / 21期

基金：

新加坡国家研究基金会;

关键词：

ASCORBIC-ACID; AMPEROMETRIC DETERMINATION; COPPER ELECTRODES; URIC-ACID; SENSOR; PERFORMANCE; NANOSTRUCTURES; DOPAMINE; FILM; NANOSPHERES;

D O I：

10.1021/ac402925r

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Inkjet-printed copper oxide nanoparticles (CuO NPs) on silver electrodes were used to fabricate the nonenzymatic glucose biosensor. The inkjet-printed CuO NPs electrodes produced high and reproducible sensitivity of 2762.5 mu Am M-1 cm(-2) at an applied potential of +0.60 V with the wide linear-detecting range of 0.05-18.45 mM and the detection limit of similar to 0.5 mu M (S/N = 3). The long-term stability and reproducibility of sensor in glucose electro-oxidation resulted from the chemical stability of CuO NPs and pore-like structure formed on Ag surface, which prevented the CuO NPs from conglomeration and the interference of oxygen in the air. Significantly, the effect of interfering species, such as AA, UA, and DA were negligible, whereas sugar derivatives (lactose, fructose, and mannose) show insignificant interference. Finally, the electrode was applied to analyze glucose concentration in human serum samples.

引用

页码：10448 / 10454

页数：7

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