Marie Katrine Klose Nielsen

Simultaneous screening and quantification of 52 common pharmaceuticals and drugs of abuse in hair using UPLC–TOF-MS

Marie Katrine Klose Nielsen, Sys Stybe Johansen, Petur Weihe Dalsgaard et al. · Forensic Science International · 2010 · 155 citations

Drug Safety, Simultaneous Screening, Medicine +11

Determination of 19 drugs of abuse and metabolites in whole blood by high-performance liquid chromatography–tandem mass spectrometry

Marie Kjærgaard Bjørk, Marie Katrine Klose Nielsen, Lotte Ø. Markussen et al. · Analytical and Bioanalytical Chemistry · 2009 · 103 citations

Biochemistry, Bioanalysis, Mass Spectrometry +11

Validation of a method for the targeted analysis of 96 drugs in hair by UPLC–MS/MS

Camilla Montesano, Sys Stybe Johansen, Marie Katrine Klose Nielsen · Journal of Pharmaceutical and Biomedical Analysis · 2013 · 76 citations

Targeted Analysis, Medicine, Bioanalysis +8

Determination of Olanzapine in Whole Blood Using Simple Protein Precipitation and Liquid Chromatography-Tandem Mass Spectrometry

Marie Katrine Klose Nielsen, Sys Stybe Johansen · Journal of Analytical Toxicology · 2009 · 49 citations · Full text

Whole Blood, Pharmacotherapy, Whole Blood Samples +16

Hair analysis in toxicological investigation of drug-facilitated crimes in Denmark over a 8-year period

Xin Wang, Sys Stybe Johansen, Marie Katrine Klose Nielsen et al. · Forensic Science International · 2018 · 48 citations

Substance Abuse, Drug-facilitated Crimes, Medicine +13