Ultrafast one-pot anodic preparation of Co 3 O 4 /nanoporous gold composite electrode as an efficient nonenzymatic amperometric sensor for glucose and hydrogen peroxide
作者: Yuanjiao PeiMing HuXueyong TangWei HuangZelin LiShu ChenYue Xia
作者单位: 1Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, Hunan Engineering Laboratory for Petrochemicals and Materials, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha, 410081, China
2The Second Affiliated Hospital of Hunan University of TCM, Changsha, 410005, China
3Key Laboratory of Theoretical Organic Chemistry and Function Molecule of Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
刊名: Analytica Chimica Acta, 2019, Vol.1059 , pp.49-58
来源数据库: Elsevier Journal
DOI: 10.1016/j.aca.2019.01.059
关键词: Co 3 O 4 /NPG composition electrodeOne-pot strategyNonenzymatic sensingGlucoseHydrogen peroxide
英文摘要: Abstract(#br)For fabrication of composite electrode, one-pot strategy is highly attractive for convenience and efficiency. Here, a self-supporting Co 3 O 4 /nanoporous gold (NPG) composite electrode was one-pot prepared via one-step in situ anodization of a smooth gold electrode in a CoCl 2 solution within 100 s. It worked as a bifunctional electrocatalyst for glucose oxidation and H 2 O 2 reduction in NaOH solution. Under optimized conditions, the electrocatalytic oxidation of glucose exhibits a wide linear range from 2 μM to 2.11 mM with a limit of detection as low as 0.085 μM (S/N = 3) and an ultrahigh sensitivity of 4470.4 μA mM −1 cm −2 . Detection of glucose in human serum samples are also realized with results comparable to those from local hospital. The electrocatalytic reduction...
全文获取路径: Elsevier  (合作)
分享到:
来源刊物:
影响因子:4.387 (2012)

×
关键词翻译
关键词翻译
  • amperometric 测量电流的
  • anodic 阳极的
  • nonenzymatic 非酶的
  • efficient 有用的
  • electrode 电极
  • preparation 预备
  • sensor 感受器
  • glucose 葡萄糖
  • hydrogen 
  • composite 复合的