Quantification of cationic anti-malaria agent methylene blue in different human biological matrices using cation exchange chromatography coupled to tandem mass spectrometry

enthalten in: Journal of chromatography / B | 2008

von Burhenne, J. | Riedel, K. | Rengelshausen, J. | +5

Monitoring of lopinavir and ritonavir in peripheral blood mononuclear cells, plasma, and ultrafiltrate using a selective and highly sensitive LC/MS/MS assay

enthalten in: Journal of chromatography / B | 2007

von Ehrhardt, M. | Möck, M. | Haefeli, W. | +2

Monitoring of lopinavir and ritonavir in peripheral blood mononuclear cells, plasma, and ultrafiltrate using a selective and highly sensitive LC-MS-MS assay

enthalten in: Journal of chromatography / B | 2007

von Ehrhardt, M. | Möck, M. | Haefeli, W. | +2

Simultaneous determination of hypericin and hyperforin in human plasma with liquid chromatography-tandem mass spectrometry

enthalten in: Journal of chromatography / B | 2005

von Riedel, K. | Rieger, K. | Martin-Facklam, M. | +3

Highly sensitive determination of saquinavir in biological samples using liquid chromatography-tandem mass spectrometry

enthalten in: Journal of chromatography / B | 2003

von Burhenne, J. | Riedel, K. | Martin-Facklam, M. | +2

Highly sensitive determination of saquinavir in biological samples using liquid chromatography-tandem mass spectrometry

enthalten in: Journal of chromatography / B | 2003

von Burhenne, J. | Riedel, K. | Martin-Facklam, M. | +2

Enantioselective quantitation of the ecstasy compound (R)- and (S)-N-ethyl-3,4-methylenedioxyamphetamine and its major metabolites in human plasma and urine

enthalten in: Journal of chromatography / B | 2003

von Buechler, J. | Schwab, M. | Mikus, G. | +6

Rapid, highly sensitive method for the determination of morphine and its metabolites in body fluids by liquid chromatography-mass spectrometry

enthalten in: Journal of chromatography / B | 1999

von Schänzle, G. | Li, S. | Mikus, G. | +1

Highly sensitive gas chromatographic-tandem mass spectrometric method for the determination of morphine and codeine in serum and urine in the femtomolar range

enthalten in: Journal of chromatography / B | 1999

von Hofmann, U. | Seefried, S. | Schweizer, E. | +3