Determination of growth hormone secretagogue pralmorelin (GHRP-2) and its metabolite in human urine by liquid chromatography/electrospray ionization tandem mass spectrometry

2010 ◽  
Vol 24 (14) ◽  
pp. 2046-2056 ◽  
Author(s):  
Masato Okano ◽  
Mitsuhiko Sato ◽  
Ayako Ikekita ◽  
Shinji Kageyama
Keyword(s):  
Mass Spectrometry ◽  
Growth Hormone ◽  
Liquid Chromatography ◽  
Tandem Mass Spectrometry ◽  
Electrospray Ionization ◽  
Human Urine ◽  
Tandem Mass ◽  
Growth Hormone Secretagogue ◽  
Ionization Tandem Mass Spectrometry

Determination of parabens in human urine by liquid chromatography coupled with electrospray ionization tandem mass spectrometry

2014 ◽  
Vol 6 (15) ◽  
pp. 5566-5572 ◽  
Author(s):  
Shaoyou Lu ◽  
Shihan Gong ◽  
Shengtao Ma ◽  
Xiangying Zeng ◽  
Zhiqiang Yu ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Liquid Chromatography ◽  
Tandem Mass Spectrometry ◽  
Electrospray Ionization ◽  
Human Urine ◽  
Tandem Mass ◽  
Methyl Ethyl ◽  
Sensitive Method ◽  
Ionization Tandem Mass Spectrometry

A simple and sensitive method was developed for the simultaneous determination of methyl, ethyl,n-propyl,n-butyl, and benzyl parabens in human urine by liquid chromatography coupled with electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS).

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