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Improvement in Sensitivity of Electrochemical Glucose Biosensor Based on CuO/Au@MWCNTs Nanocomposites
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  • Journal title : Applied Chemistry for Engineering
  • Volume 27, Issue 2,  2016, pp.145-152
  • Publisher : The Korean Society of Industrial and Engineering Chemistry
  • DOI : 10.14478/ace.2015.1117
 Title & Authors
Improvement in Sensitivity of Electrochemical Glucose Biosensor Based on CuO/Au@MWCNTs Nanocomposites
Park, Mi-Seon; Bae, Tae-Sung; Lee, Young-Seak;
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In this study, CuO was introduced on MWCNTs dispersed with Au nanoparticles to improve the glucose sensing capability of electrochemical biosensors. Nano-cluster shaped CuO was synthesized due to the presence of Au nanoparticle, which affects glucose sensing performance. The biosensor featuring CuO/Au@MWCNTs nanocomposite as an electrode material when 0.1 mole of CuO was synthesized showed the highest sensitivity of , which is 4 times better than that of MWCNTs based biosensors. In addition, it shows a wider linear range from 0 to 10 mM and lower limit of detection (LOD) of 0.008 mM. These results demonstrate that CuO/Au@MWCNTs nanocomposite sensors are superior to other CuO based biosensors which are attributed that the nano-cluster shaped CuO is favorable for the electrochemical reaction with glucose molecules.
electrochemical glucose biosensor;non-enzymatic system;nanocomposite;copper oxide;multi-walled carbon nanotube;
 Cited by
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