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author:

Jin, Guixiao (Jin, Guixiao.) [1] | Lu, Lijun (Lu, Lijun.) [2] | Gao, Xiaoyao (Gao, Xiaoyao.) [3] | Li, Mei-Jin (Li, Mei-Jin.) [4] | Qiu, Bin (Qiu, Bin.) [5] | Lin, Zhenyu (Lin, Zhenyu.) [6] | Yang, Huanghao (Yang, Huanghao.) [7] | Chen, Guonan (Chen, Guonan.) [8]

Indexed by:

EI

Abstract:

A new electrochemiluminescence (ECL) reagent, iridium(III) complex (Ir(III) complex), has been synthesized and applied to develop an ECL biosensor for thrombin. The Ir(III) complex has been conjugated to aptamers firstly and adsorbed on magneto-controlled magnetic graphene oxide. In the presence of the target (thrombin), the aptamers will release into solution and result in increased ECL intensity. The enhanced ECL intensity has a direct relationship with the logarithm of thrombin concentration in the range of 2.0 × 10 -9 to 5.0 × 10-8 mol/L. The detection limit was 1.3 × 10-9 mol/L (S/N = 3). The proposed method has good stability and reproducibility. © 2012 Elsevier Ltd. All Rights Reserved.

Keyword:

Enzymes Graphene Iridium compounds Magnetism

Community:

  • [ 1 ] [Jin, Guixiao]Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Ministry of Education, Fuzhou, Fujian 350002, China
  • [ 2 ] [Lu, Lijun]Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Ministry of Education, Fuzhou, Fujian 350002, China
  • [ 3 ] [Gao, Xiaoyao]Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Ministry of Education, Fuzhou, Fujian 350002, China
  • [ 4 ] [Li, Mei-Jin]Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Ministry of Education, Fuzhou, Fujian 350002, China
  • [ 5 ] [Qiu, Bin]Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Ministry of Education, Fuzhou, Fujian 350002, China
  • [ 6 ] [Lin, Zhenyu]Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Ministry of Education, Fuzhou, Fujian 350002, China
  • [ 7 ] [Yang, Huanghao]Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Ministry of Education, Fuzhou, Fujian 350002, China
  • [ 8 ] [Chen, Guonan]Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Ministry of Education, Fuzhou, Fujian 350002, China

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Source :

Electrochimica Acta

ISSN: 0013-4686

Year: 2013

Volume: 89

Page: 13-17

4 . 0 8 6

JCR@2013

5 . 5 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 30

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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