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author:

Chen, Xiao-mei (Chen, Xiao-mei.) [1] | Cai, Zhi-min (Cai, Zhi-min.) [2] | Lin, Zhi-jie (Lin, Zhi-jie.) [3] | Jia, Tian-tian (Jia, Tian-tian.) [4] | Liu, Hai-zhu (Liu, Hai-zhu.) [5] | Jiang, Ya-qi (Jiang, Ya-qi.) [6] | Chen, Xi (Chen, Xi.) [7]

Indexed by:

EI

Abstract:

A novel non-enzymatic electrochemiluminescence (ECL) sensor based on palladium nanoparticles (PdNPs)-functional carbon nanotubes (FCNTs) was discovered for glucose detection. PdNPs were homogeneously modified on FCNTs using a facile spontaneous redox reaction method. Their morphologies were characterized by transmission electron microscopy (TEM). Based on ECL experimental results, the PdNPs-FCNTs-Nafion film modified electrode displayed high electrocatalytic activity towards the oxidation of glucose. The free radicals generated by the glucose oxidation reacted with the luminol anion (LH-), and enhanced the ECL signal. Under the optimized conditions, the linear response of ECL intensity to glucose concentration was valid in the range from 0.5 to 40 μmol L-1 (r2 = 0.9974) with a detection limit (S/N = 3) of 0.09 μmol L-1. In addition, the modified electrode presented high resistance towards the poisoning of chloride ion, high selectivity and long-term stability. In order to verify the sensor reliability, it was applied to the determination of glucose in glucose injection samples. The results indicated that the proposed approach provided a highly sensitive, more facile method with good reproducibility for glucose determination, promising the development of a non-enzymatic ECL glucose sensor. © 2009 Elsevier B.V. All rights reserved.

Keyword:

Carbon nanotubes Chlorine compounds Electrodes Free radicals Glucose Glucose sensors High resolution transmission electron microscopy Nanoparticles Palladium Redox reactions

Community:

  • [ 1 ] [Chen, Xiao-mei]Department of Chemistry, Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
  • [ 2 ] [Cai, Zhi-min]Department of Chemistry, Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
  • [ 3 ] [Lin, Zhi-jie]Department of Chemistry, Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
  • [ 4 ] [Jia, Tian-tian]Department of Chemistry, Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
  • [ 5 ] [Liu, Hai-zhu]Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety, Fuzhou University, Fuzhou, 350002, China
  • [ 6 ] [Jiang, Ya-qi]Department of Chemistry, Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
  • [ 7 ] [Chen, Xi]Department of Chemistry, Key Laboratory of Analytical Sciences of the Ministry of Education, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
  • [ 8 ] [Chen, Xi]State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China

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Source :

Biosensors and Bioelectronics

ISSN: 0956-5663

Year: 2009

Issue: 12

Volume: 24

Page: 3475-3480

5 . 4 2 9

JCR@2009

1 0 . 7 0 0

JCR@2023

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 66

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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