Electrochemiluminescent determination of L-cysteine with a flow-injection analysis system


Autoria(s): Zhu L; Li YX; Zhu GY
Data(s)

2003

Resumo

A flow-injection electrochemiluminescent method for L-cysteine determination has been developed based on its enhancement of the electrochemiluminecence of luminol at a glassy carbon electrode. This method is simple and sensitive for cysteine determination. Under the selected experimental parameters, the linear range for cysteine concentration was 1.0 x 10(-6) - 5.0 x 10(-5) mol/l, and the detection limit was 0.67 mumol/l (SIN = 3). The relative standard deviation for 11 measurements of 1.0 x 10(-5) mol/l cysteine was 4.5%. The proposed method has been applied to. the detection of cysteine in pharmaceutical injections with satisfactory results.

Identificador

http://ir.ciac.jl.cn/handle/322003/18037

http://www.irgrid.ac.cn/handle/1471x/153558

Idioma(s)

英语

Fonte

Zhu L;Li YX;Zhu GY.Electrochemiluminescent determination of L-cysteine with a flow-injection analysis system,ANALYTICAL SCIENCES,2003,19(4):575-578

Palavras-Chave #ELECTROGENERATED CHEMILUMINESCENCE #AMINO THIOLS #LUMINOL #ELECTRODE
Tipo

期刊论文