Willem Niesing

Liquid chromatography with triple-quadrupole and quadrupole-time-of-flight mass spectrometry for the determination of micro-constituents – a comparison

R. Vreeken, W. Niessen, U. Brinkman, 2004, Analytical and bioanalytical chemistry.

Identification of Residues by LC/MS/MS According to the New European Union Guidelines: Application to the Trace Analysis of Veterinary Drugs and Contaminants in Biological and Environmental Matrices

A. Stolker, E. Hogendoorn, E. Dijkman, 2003 .

Potential of capillary-column-switching liquid chromatography-tandem mass spectrometry for the quantitative trace analysis of small molecules. Application to the on-line screening of drugs in water.

L. Stolker, F. Hernández, E. Pitarch, 2004, Journal of chromatography. A.

Liquid chromatography with triple-quadrupole or quadrupole-time of flight mass spectrometry for screening and confirmation of residues of pharmaceuticals in water

U. Brinkman, A. Stolker, Udo A Th Brinkman, 2004, Analytical and bioanalytical chemistry.

Determination of nicotine and cotinine in rat plasma by liquid chromatography-tandem mass spectrometry.

A. Stolker, E. Hogendoorn, W. Vleeming, 2003, Journal of chromatography. A.