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Cobalt(II) Schiff Base/Large Mesoporous Carbon Composite Film Modified Electrode as Electrochemical Biosensor for Hydrogen Peroxide and Glucose
Author(s) -
Lu Jing,
Ju Jian,
Bo Xiangjie,
Wang Huan,
Guo Liping
Publication year - 2013
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.201300344
Subject(s) - glucose oxidase , cobalt , schiff base , cyclic voltammetry , biosensor , materials science , electrode , electrochemistry , hydrogen peroxide , carbon paste electrode , mesoporous material , detection limit , inorganic chemistry , nuclear chemistry , chemistry , polymer chemistry , nanotechnology , catalysis , organic chemistry , chromatography
A simple method was developed to prepare a cobalt(II) Schiff base (Co(salen))/large mesoporous carbon (LMC) composite film. The structure and electrocatalytic performance of the Co(salen)/LMC film were investigated by scanning electron microscopy (SEM) and cyclic voltammetry (CV). The Co(salen)/LMC film exhibits high electrocatalytic activity toward H 2 O 2 , such as low detection limit (8.5×10 −7  M) and wide linear concentration range (2.0×10 −6 –8.9×10 −3  M). Furthermore, glucose oxidase (GOD) was self‐assembled on the surface of the Co(salen)/LMC film modified electrode. Determination of glucose in human blood serum with satisfying result was investigated by the resulting biosensor.

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