Flow-injection chemiluminescence determination of catecholamines

被引：13
|
作者：
Wolyniec, Elzbieta [1 ]
Niedzwiedzka, Urszula [1 ]
Kojlo, Anatol [1 ]
机构：
[1] Univ Bialystok, Inst Chem, PL-15399 Bialystok, Poland
来源：
INSTRUMENTATION SCIENCE & TECHNOLOGY | 2007年 / 35卷 / 02期
关键词：
catecholamines; chemiluminescence; flow-injection analysis; pharmaceuticals;
D O I：
10.1080/10739140601128284
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new flow-injection chemiluminescence method is proposed for the determination of catecholamines, including adrenaline, dopamine, and L-Dopa. The method is based on the chemiluminescence ( CL) produced during the oxidation of catecholamines by sodium hypochlorite in an alkaline medium. The CL intensity is greatly increased when 2,7-dichlorofluoresceine is used as a sensitizer. The calibration graphs are linear in the range of 3-80 mu g/mL for adrenaline and L-Dopa and 3-50 mu g/mL for dopamine. The influence of foreign compounds was studied and the method was applied to the determination of catecholamines in pharmaceutical formulations.
引用
收藏
页码：219 / 231
页数：13
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