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A novel sensitive non-enzymatic glucose sensor

Chinese Chemical Letters 2007年第2期18卷 189-191页

作者： Xin Huang Kang Zhi Bin Mai Xiao Yong Zou Pei Xiang Cai Jin Yuan Mo School of Chemistry and Chemical Engineering Sun Yat-Sen University Guangzhou 510275 China College of Science Guangdong Ocean University Zhanjiang 524088 China

Cu nanoclusters were electrochemically deposited on the film of a Nafion-solubilized multi-wall carbon nanotubes (CNTs) modified glassy carbon electrode (CNTs-GCE), which fabricated a Cu-CNTs composite sensor (Cu-CNTs-GCE) to detect glucose with non-enzyme. The linear range is 7.0 × 10?7 to 3.5 × 10?3 mol/L with a high sensitivity of 17.76 μA/(mmol L), with a low detection limit 2.1 × 10?7 mol/L, fast response time (within 5 s), good reproducibility and stability.

关键词： Copper nanoclusters Carbon nanotubes Glucose non-enzymatic sensor Electrodeposition

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non-enzymatic Glucose sensor Based on the Novel Flower Like Morphology of Nickel Oxide

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Soft Nanoscience Letters 2013年第4期3卷 46-50页

作者： Z.H.Ibupoto K.Khun V.Beni M.Willander Division of Physical Electronics and Nanotechnology Department of Science and TechnologyLinköping UniversityCampus NorrkopingNorrkopingSweden Department of Physics Chemistryand Biology(IFM)Linkoping UniversityLinkopingSwe-den

In this study, novel nickel oxide (NiO) flowers like nanostructures were fabricated onto gold coated glass substrate by hydrothermal method using high alkaline pH medium. The structural study of nickel oxide nanostructures was performed by scanning electron microscopy (SEM) and X-ray differaction (XRD) techniques. Nickel oxide nanostructures are highly dense, uniform and possess good crystalline quality. The so prepared structures were investigated for their electrochemical properties by cyclic voltammetry and amperometric techniques. The nickel oxide flower like morphology has shown good electrochemical performances for the oxidation of glucose. The presented sensing material was able to detected glucose in a wide range of concentration of 0.001 mM to 8 mM with a high sensitivity (123 μmA/mM) and regression coefficient of 0.99. Moreover, the NiO nanostructures based sensor is highly reproducible, stable, exhibiting a fast response time and selective in the response. All the obtained results indicate the potential use of this material in the development of enzyme free sensors for the detection of glucose.

关键词： Nickel Oxide non-enzymatic sensor Glucose Selective Stable

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