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author:

Su, YY (Su, YY.) [1] | Wang, JA (Wang, JA.) [2] | Chen, GN (Chen, GN.) [3] (Scholars:陈国南)

Indexed by:

EI Scopus SCIE

Abstract:

Epinephrine was found to be able to strongly enhance the electrochemiluminescence (ECL) of lucigenin system by using the anodic potential sweep. Based on which. a novel ECL method for the determination of epinephrine was developed. Under the optimum condition, the enhanced ECL intensity was linear with the epinephrine concentration in the range of 4.0 x 10(-8) to 2.0 x 10(-7) mol L-1. The detection limit (defined as S/N = 3) was 2.4 x 10(-8) mol L-1, and the relative standard deviation was 2.7% for 1.0 x 10(-7) mol L-1 epinephrine (n = 11). The method was successfully applied to the determination of epinephrine in pharmaceutical samples with satisfactory results. In addition, the possible mechanism for the lucigenin ECL system in the presence of epinephrine has also been discussed. (C) 2004 Elsevier B.V. All rights reserved.

Keyword:

anodic potential sweep electrochemiluminescence epinephrine lucigenin

Community:

  • [ 1 ] Fuzhou Univ, Dept Chem, Fuzhou 350002, Peoples R China

Reprint 's Address:

  • 陈国南

    [Chen, GN]Fuzhou Univ, Dept Chem, Fuzhou 350002, Peoples R China

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Source :

TALANTA

ISSN: 0039-9140

Year: 2005

Issue: 2

Volume: 65

Page: 531-536

2 . 3 9 1

JCR@2005

5 . 6 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 79

SCOPUS Cited Count: 83

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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