Search for dissertations about: "Niklas Tyrefors"

Found 3 swedish dissertations containing the words Niklas Tyrefors.

  2. 1. Determination of acetylcholine and choline using liquid chromatography and enzyme mediated detection : with emphasis on microdialysis samples

    Author : Niklas Tyrefors; Uppsala universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP;

    Abstract : .... READ MORE

  4. 2. Essays on Labor Economics : The Role of Government in Labor Supply Choices

    Author : Niklas Blomqvist; Peter Skogman Thoursie; Martin Olsson; Björn Tyrefors; Spencer Bastani; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Involuntary Part-time Employment; Labor Supply; Tax Elasticity; Refugees; Immigration; Integration; Natural Resource Extraction; Family Resources; Health; Economics; nationalekonomi;

    Abstract : "Right to Work Full-time" Policies and Involuntary Part-time EmploymentThis paper investigates the effect of right to full-time policies implemented to decrease involuntary part-time work for public care workers employed by Swedish municipalities. Taking advantage of a staggered decision process, these policies are evaluated using a difference-in-differences approach. READ MORE

  5. 3. Development of LC-MS/MS Methods for the Analysis of Chiral and Achiral Pharmaceuticals and Metabolites in Aqueous Environmental Matrices

    Author : Victoria K.H. Barclay; Curt Pettersson; Monika Johansson; Niklas Tyrefors; Mohamed Abdel-Rehim; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Environmental water matrices; chiral separation; LC-MS MS; trace analysis; method development; active pharmaceutical ingredients; metabolites; Analytical Pharmaceutical Chemistry; Analytisk farmaceutisk kemi;

    Abstract : This thesis describes the development of liquid chromatography tandem mass spectrometry (LC-MS/MS) methods for the trace analysis of active pharmaceutical ingredients (APIs) and their metabolites in aqueous environmental matrices. The research was focused on the development of chiral LC-MS/MS methods for the analysis of fluoxetine and metoprolol, as well as their chiral metabolites in environmental water samples. READ MORE