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author:

Feng, Y. (Feng, Y..) [1] | Wu, H. (Wu, H..) [2] | Wei, J. (Wei, J..) [3] | Chen, L. (Chen, L..) [4] | Chi, Y. (Chi, Y..) [5]

Indexed by:

Scopus

Abstract:

This work is to construct an electrochemiluminescent (ECL) sensor with improved accuracy for the detection of Cu 2+ . The improved accuracy is achieved by utilizing a reaction system to realize Cu 2+ dose-dependent dual suppression of ECL recovery from gold nanoparticle-graphitic carbon nitride nanosheet naonohybrid (Au-CNNS) film. The ECL sensor shows sensitive response to Cu 2+ in the concentration range of 5 nM to 500 nM with an enlarged slope, and high specificity attributed to the high affinity of CNNS-Cu 2+ complex and the high catalytic activity of Cu(NH 3 ) 6 2+ to decompose H 2 O 2 in the reaction system. The proposed ECL sensor with improved accuracy may prove valuable in future biomedical applications. © 2018 Elsevier B.V.

Keyword:

Copper; Dual suppression; Electrochemiluminescent sensor; Graphitic carbon nitride nanosheets

Community:

  • [ 1 ] [Feng, Y.]Key Laboratory for Analytical Science of Food Safety and Biology, Ministry of Education, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
  • [ 2 ] [Feng, Y.]College of Chemical Engineering, Fuzhou, Fujian 350108, China
  • [ 3 ] [Wu, H.]Key Laboratory for Analytical Science of Food Safety and Biology, Ministry of Education, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
  • [ 4 ] [Wei, J.]College of Chemical Engineering, Huaqiao University, Xiamen, 361021, China
  • [ 5 ] [Chen, L.]College of Chemical Engineering, Huaqiao University, Xiamen, 361021, China
  • [ 6 ] [Chi, Y.]Key Laboratory for Analytical Science of Food Safety and Biology, Ministry of Education, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China

Reprint 's Address:

  • [Chen, L.]College of Chemical Engineering, Huaqiao UniversityChina

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Source :

Journal of Electroanalytical Chemistry

ISSN: 1572-6657

Year: 2019

Volume: 834

Page: 145-149

3 . 8 0 7

JCR@2019

4 . 1 0 0

JCR@2023

ESI HC Threshold:184

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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