Determination of psilocin and 4-hydroxyindole-3-acetic acid in plasma by HPLC-ECD and pharmacokinetic profiles of oral and intravenous psilocybin in man

Felix Hasler, Daniel Bourquin, Rudolf Brenneisen, +2

Pharmaceutica Acta Helvetiae

4-Hydroxyindole-3-acetic AcidMedicineIntravenous PsilocybinPharmacokinetic ProfilesNeuropharmacology +4

Analysis of 3,4-Methylenedioxymethamphetamine (MDMA) and its Metabolites in Plasma and Urine by HPLC-DAD and GC-MS

H. J. Helmlin, K. Bracher, Daniel Bourquin, +3

Journal of Analytical Toxicology

Renal excretion profiles of psilocin following oral administration of psilocybin: a controlled study in man

Felix Hasler, Daniel Bourquin, Rudolf Brenneisen, +1

Journal of Pharmaceutical and Biomedical Analysis

Renal Excretion ProfilesUrologyMedicineChronic Kidney DiseaseOral Administration +2

Determination of morphine-3-glucuronide in human urine by capillary zone electrophoresis and micellar electrokinetic capillary chromatography

Paul Wernly, Wolfgang Thormann, Daniel Bourquin, +1

Journal of Chromatography B Biomedical Sciences and Applications

Human UrineCapillary Zone ElectrophoresisMedicineDrug PurityBioanalysis +6

Pharmacodynamics and pharmacokinetics of intravenously, orally and rectally administered diacetylmorphine in opioid dependents, a two-patient pilot study within a heroin-assisted treatment program

E. Gyr, Rudolf Brenneisen, Daniel Bourquin, +3

International Journal of Clinical Pharmacology and Therapeutics

Two-patient Pilot StudyHeroin-assisted Treatment ProgramRectal DiacetylmorphinePharmacotherapyDrug Treatment +15

High-performance liquid chromatographic monitoring of intravenously administered diacetylmorphine and morphine and their metabolites in human plasma

Daniel Bourquin, Thomas Lehmann, Robert Hämmig, +2

Journal of Chromatography B Biomedical Sciences and Applications

Therapeutic Drug MonitoringMedicineDrug PurityBioanalysisMass Spectrometry +12

Confirmation of cannabis abuse by the determination of 11-nor-δ9-tetrahydrocannabinol-9-carboxylic acid in urine with high-performance liquid chromatography and electrochemical detection

Daniel Bourquin, Rudolf Brenneisen

Journal of Chromatography B Biomedical Sciences and Applications

Cannabis UseSubstance AbuseDrug AnalysisPsychoactive DrugElectrochemical Detection +8

Determination of 18β-glycyrrhetinic acid in biological fluids from humans and rats by solid-phase extraction and high-performance liquid chromatography

Felix Hasler, Reto Krapf, Rudolf Brenneisen, +2

Journal of Chromatography B Biomedical Sciences and Applications

Biological FluidsBiochemistryMedicineBioanalysisGlycobiology +9

Determination of phenylethylamines in hallucinogenic cactus species by high-performance liquid chromatography with photodiode-array detection

H. J. Helmlin, Daniel Bourquin, Rudolf Brenneisen

Journal of Chromatography A

Photodiode-array DetectionEngineeringPhotochemistryMedicineHallucinogenic Cactus Species +7

DIACETYLMORPHINE AND ITS METABOLITES IN PLASMA BY HPLC WITH DIODE-ARRAY AND ATMOSPHERIC PRESSURE IONIZATION MASS SPECTROMETRIC DETECTION

Daniel Bourquin, Petra Bundeli, Thomas Lehmann, +1

Journal of Liquid Chromatography & Related Technologies

Diode-array DetectionPeak AssignmentSpectrochemical AnalysisPharmacodynamic ModelingAnalytical Instrumentation +18