Separation and quantification of paraquat and diquat in serum and urine by capillary electrophoresis
β Scribed by E. Vinner; M. Stievenart; L. Humbert; D. Mathieu; M. Lhermitte
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 121 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0269-3879
- DOI
- 10.1002/bmc.81
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Capillary electrophoresis CE and mass spectrometry MS were investigated for the analysis of paraquat and diquat herbicides. The mass spectrometer Ε½ . was a home-built time-of-flight instrument TOFMS equipped with an electro-Ε½ . spray ionization ESI source. A coaxial liquid sheath ESI source was util
## Abstract We describe a new CE method with UVβdetection for the quantification of histidine (His) and its methylated forms 1βmethylhistidine and 3βmethylhistidine, both in plasma and urine. Analytes were basically resolved using a 60βmmol/L Trisβphosphate run buffer pH 2.2 in less than 12βmin. Th