引用本文:
Li Jun Li, Si Guang Li, Hai Yan Li, Zhuo Cai, Hao Cheng. Determination of ephedrine and codeine in human urine by cation-selective exhaustive injection and sweeping micellar electrokinetic chromatography[J]. Chinese Chemical Letters,
2009, 20(1): 84-87.
doi:
10.1016/j.cclet.2008.10.014
Citation: Li Jun Li, Si Guang Li, Hai Yan Li, Zhuo Cai, Hao Cheng. Determination of ephedrine and codeine in human urine by cation-selective exhaustive injection and sweeping micellar electrokinetic chromatography[J]. Chinese Chemical Letters, 2009, 20(1): 84-87. doi: 10.1016/j.cclet.2008.10.014
Citation: Li Jun Li, Si Guang Li, Hai Yan Li, Zhuo Cai, Hao Cheng. Determination of ephedrine and codeine in human urine by cation-selective exhaustive injection and sweeping micellar electrokinetic chromatography[J]. Chinese Chemical Letters, 2009, 20(1): 84-87. doi: 10.1016/j.cclet.2008.10.014
Determination of ephedrine and codeine in human urine by cation-selective exhaustive injection and sweeping micellar electrokinetic chromatography
摘要:
A sensitive method for the determination of ephedrine and codeine in human urine by capillary electrophoresis (CE) was described. In order to improve the sensitivity, two online concentration techniques including cation-selective exhaustive injection (CSEI) and sweeping micellar electrokinetic chromatography (sweeping-MEKC) were used. Under the optimum conditions, the detection limits (S/N=3) were 0.10 μg/L for ephedrine and 0.80 μg/L for codeine. This method was successfully applied to real urine sample analysis.
English
Determination of ephedrine and codeine in human urine by cation-selective exhaustive injection and sweeping micellar electrokinetic chromatography
Abstract:
A sensitive method for the determination of ephedrine and codeine in human urine by capillary electrophoresis (CE) was described. In order to improve the sensitivity, two online concentration techniques including cation-selective exhaustive injection (CSEI) and sweeping micellar electrokinetic chromatography (sweeping-MEKC) were used. Under the optimum conditions, the detection limits (S/N=3) were 0.10 μg/L for ephedrine and 0.80 μg/L for codeine. This method was successfully applied to real urine sample analysis.
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