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author:

Kong, D. (Kong, D..) [1] | Liu, Y. (Liu, Y..) [2] | Wang, Z. (Wang, Z..) [3] | Jiang, L. (Jiang, L..) [4] | Cheng, J. (Cheng, J..) [5] | Xu, L. (Xu, L..) [6] | Zhuang, Q. (Zhuang, Q..) [7] | Lu, C.-H. (Lu, C.-H..) [8] | Chi, Y. (Chi, Y..) [9] | Wei, Q.-H. (Wei, Q.-H..) [10]

Indexed by:

Scopus

Abstract:

Ribavirin (RBV), a synthesized broad-spectrum antiviral drug, was found to significantly quench the electrochemiluminescence (ECL) emission of Ru(bpy)32 +/triethylamine (TEA) system in a pH 11.5 phosphate buffer solution. Based on the UV–visible absorption spectra, cyclic voltammograms and ECL curves study, we reckoned that the ECL quenching may be attributed to the interaction between RBV and the electrogenerated TEA free radical-a strongly reducing free radical which can effectively enhance the ECL of Ru(bpy)32 +. Based on the quenching effect of RBV on Ru(bpy)32 +/TEA, a simple, rapid and sensitive method for the analysis of RBV was proposed. Under the optimal conditions, the logarithm of RBV concentration versus the quenched ECL intensity was linear over the ranges of 2 × 10− 7–5 × 10− 5 M, with a detection limit of 8.5 × 10− 8 M (S/N = 3) in a pH = 11.5 0.05 M phosphate buffer solution containing 5.0 × 10− 6 M Ru(bpy)32 + and 1.0 × 10− 6 M TEA. To verify its practicability, the proposed method was employed to the determination of RBV in tablets and the recoveries were ranged from 93%–102%. © 2017 Elsevier B.V.

Keyword:

Electrochemiluminescence; Quenching; Ribavirin; Ru(bpy)32 +

Community:

  • [ 1 ] [Kong, D.]College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
  • [ 2 ] [Kong, D.]Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou UniversityFujian 350108, China
  • [ 3 ] [Liu, Y.]College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
  • [ 4 ] [Wang, Z.]College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
  • [ 5 ] [Cheng, J.]College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
  • [ 6 ] [Xu, L.]College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
  • [ 7 ] [Zhuang, Q.]College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China

Reprint 's Address:

  • [Wei, Q.-H.]Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou UniversityChina

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Source :

Journal of Electroanalytical Chemistry

ISSN: 1572-6657

Year: 2017

Volume: 801

Page: 1-6

3 . 2 3 5

JCR@2017

4 . 1 0 0

JCR@2023

ESI HC Threshold:226

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 8

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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