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Determination of epinephrine based on its enhancement for electrochemiluminescence of lucigenin.
MedLine Citation:
PMID:  18969831     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
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)molL(-1). The detection limit (defined as S/N = 3) was 2.4 x 10(-8)molL(-1), and the relative standard deviation was 2.7% for 1.0 x 10(-7)molL(-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.
Authors:
Yingying Su; Jian Wang; Guonan Chen
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Talanta     Volume:  65     ISSN:  1873-3573     ISO Abbreviation:  Talanta     Publication Date:  2005 Jan 
Date Detail:
Created Date:  2008-10-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2984816R     Medline TA:  Talanta     Country:  England    
Other Details:
Languages:  eng     Pagination:  531-6     Citation Subset:  -    
Affiliation:
Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, PR China.
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