Analysis of oxybutynin and N-desethyloxybutynin in human urine by dispersive liquid–liquid microextraction (DLLME) and capillary electrophoresis (CE)

2015 ◽  
Vol 7 (20) ◽  
pp. 8763-8770 ◽  
Author(s):  
B. J. Moreira ◽  
K. B. Borges ◽  
A. R. M. de Oliveira ◽  
C. M. de Gaitani
Keyword(s):  
Capillary Electrophoresis ◽  
Human Urine ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction

A DLLME/CE method was developed to the determination of oxybutynin (OXY) and N-desethyloxybutynin (DEO) in human urine.

scholarly journals Evaluation of dispersive liquid–liquid microextraction in the stereoselective determination of cetirizine following the fungal biotransformation of hydroxyzine and analysis by capillary electrophoresis

Talanta ◽  
2013 ◽  
Vol 116 ◽  
pp. 743-752 ◽  
Author(s):  
Simone Silveira Fortes ◽  
Thiago Barth ◽  
Niege Araçari Jacometti Cardoso Furtado ◽  
Mônica Tallarico Pupo ◽  
Cristiane Masetto de Gaitani ◽  
...  
Keyword(s):  
Capillary Electrophoresis ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction

Determination of UV-327 and its metabolites in human urine using dispersive liquid-liquid microextraction and gas chromatography-tandem mass spectrometry

2021 ◽  
Vol 13 (35) ◽  
pp. 3978-3986
Author(s):  
Corinna Fischer ◽  
Thomas Göen
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Tandem Mass Spectrometry ◽  
Human Urine ◽  
Tandem Mass ◽  
Extraction Solvent ◽  
Chromatography Tandem Mass Spectrometry ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction

A method is presented for the extraction of the UV stabilizer UV-327 and its metabolites from urine with acetonitrile (disperser solvent) and chloroform (extraction solvent), followed by instrumental analysis of the trimethylsilylated analytes.

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