Petur Weihe Dalsgaard

Petur Weihe Dalsgaard

Guest researcher


  1. 2023
  2. Published

    Deep Learning-Enabled MS/MS Spectrum Prediction Facilitates Automated Identification Of Novel Psychoactive Substances

    Wang, F., Pasin, Daniel Joel, Skinnider, M. A., Liigand, J., Kleis, J. N., Brown, D., Oler, E., Sajed, T., Gautam, V., Harrison, S., Greiner, R., Foster, L. J., Dalsgaard, Petur Weihe & Wishart, D. S., 2023, In: Analytical Chemistry. 95, 50, p. 18326-18334

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Forensic drug screening by liquid chromatography hyphenated with high-resolution mass spectrometry (LC-HRMS)

    Heinsvig, Pia Johansson, Noble, C., Dalsgaard, Petur Weihe & Mardal, Marie, 2023, In: TrAC - Trends in Analytical Chemistry. 162, 12 p., 117023.

    Research output: Contribution to journalReviewResearchpeer-review

  4. Published

    Improvement of screening methods in systematic toxicological analysis using highresolution mass spectrometry

    Pan, Meiru, Linnet, Kristian & Dalsgaard, Petur Weihe, 2023, Copenhagen: University of Copenhagen. 45 p.

    Research output: Book/ReportPh.D. thesisResearch

  5. Published

    Overview of systematic toxicological analysis strategies and their coverage of substances in forensic toxicology

    Rygaard, K., Pan, Meiru, Nielsen, Marie Katrine Klose, Dalsgaard, Petur Weihe, Rasmussen, B. S. & Linnet, Kristian, 2023, In: Analytical Science Advances. 4, 3-4, p. 96-103

    Research output: Contribution to journalReviewResearchpeer-review

  6. Published

    Scalable Analysis of Untargeted LC-HRMS Data by Means of SQL Database Archiving

    Mardal, Marie, Dalsgaard, Petur Weihe, Rasmussen, Brian Schou, Linnet, Kristian & Mollerup, Christian Brinch, 2023, In: Analytical Chemistry. 95, 10, p. 4592–4596

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. 2022
  8. Published

    Identification of the synthetic cannabinoid‐type new psychoactive substance, CH‐PIACA, in seized material

    Pasin, Daniel Joel, Nedahl, Michael, Mollerup, Christian Brinch, Tortzen, C., Reitzel, Lotte Ask & Dalsgaard, Petur Weihe, 15 Sep 2022, In: Drug Testing and Analysis. 14, 9, p. 1645–1651 7 p.

    Research output: Contribution to journalLetterResearchpeer-review

  9. Published

    A New Strategy for Efficient Retrospective Data Analyses for Designer Benzodiazepines in Large LC-HRMS Datasets

    Pan, Meiru, Rasmussen, B. S., Dalsgaard, Petur Weihe, Mollerup, Christian Brinch, Nielsen, Marie Katrine Klose, Nedahl, Michael, Linnet, Kristian & Mardal, Marie, 2022, In: Frontiers in Chemistry. 10, 11 p., 868532.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published
  11. Published

    Comparison of Comprehensive Screening Results in Postmortem Blood and Brain Tissue by UHPLC–QTOF-MS

    Hansen, Stine Lund, Dalsgaard, Petur Weihe, Linnet, Kristian & Rasmussen, Brian Schou, 2022, In: Journal of Analytical Toxicology. 46, 9, p. 1053–1058

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published
  13. Published
  14. Published

    Multi-library synchronization for suspect screening using LC-HRMS: The importance of InChIkeys

    Dalsgaard, Petur Weihe, Mollerup, Christian Brinch & Pasin, Daniel Joel, 2022, In: Toxicologie Analytique et Clinique. 24, 3, Suppl., p. S105 1 p.

    Research output: Contribution to journalConference abstract in journalResearchpeer-review

  15. Published
  16. 2021
  17. Published

    Comprehensive UHPLC-HR-MSE screening workflow optimized for use in routine laboratory medicine: Four workflows in one analytical method

    Mardal, Marie, Fuskevåg, O. & Dalsgaard, Petur Weihe, Jan 2021, In: Journal of Pharmaceutical and Biomedical Analysis. 196, 8 p., 113936.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    A deep generative model enables automated structure elucidation of novel psychoactive substances

    Skinnider, M. A., Wang, F., Pasin, Daniel Joel, Greiner, R., Foster, L. J., Dalsgaard, Petur Weihe & Wishart, D. S., 2021, In: Nature Machine Intelligence. 3, 11, p. 973-984

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published
  20. Published
  21. Published
  22. Published
  23. 2020
  24. Published

    Identification of new psychoactive substances in seized material using UHPLC-QTOF-MS and an online mass spectral database

    Cüpper, M., Dalsgaard, Petur Weihe & Linnet, Kristian, Nov 2020, In: Journal of Analytical Toxicology. 44, 9, p. 1047-1051 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Ketamine analogues: Comparative toxicokinetic in vitro–in vivo extrapolation and quantification of 2-fluorodeschloroketamine in forensic blood and hair samples

    Davidsen, A. B., Mardal, Marie, Holm, N. B., Andreasen, A. K., Johansen, Sys Stybe, Noble, C., Dalsgaard, Petur Weihe & Linnet, Kristian, 20 Feb 2020, In: Journal of Pharmaceutical and Biomedical Analysis. 180, 113049.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    How to perform spectrum-based LC-HR-MS screening for more than 1,000 NPS with HighResNPS consensus fragment ions

    Davidsen, A., Mardal, Marie, Linnet, Kristian & Dalsgaard, Petur Weihe, 2020, In: PLoS ONE. 15, 11, 12 p., e0242224.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    In vitro and in vivo metabolism and detection of 3-HO-PCP, a synthetic phencyclidine, in human samples and pooled human hepatocytes using high resolution mass spectrometry

    Davidsen, A. B., Mardal, Marie, Johansen, Sys Stybe, Dalsgaard, Petur Weihe & Linnet, Kristian, 2020, In: Drug Testing and Analysis. 12, 7, p. 987-993 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. 2019
  29. Published

    HighResNPS.com: An Online Crowd-Sourced HR-MS Database for Suspect and Non-targeted Screening of New Psychoactive Substances

    Mardal, Marie, Andreasen, M. F., Mollerup, Christian Brinch, Stockham, P., Telving, R., Thomaidis, N. S., Diamanti, K. S., Linnet, Kristian & Dalsgaard, Petur Weihe, Sep 2019, In: Journal of Analytical Toxicology. 43, 7, p. 520-527

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published
  31. Published
  32. Published

    Glycine‐modified growth hormone secretagogues identified in seized doping material

    Gajda, P. M., Holm, N. B., Hoej, L. J., Rasmussen, Brian Schou, Dalsgaard, Petur Weihe, Reitzel, Lotte Ask & Linnet, Kristian, Feb 2019, In: Drug Testing and Analysis. 11, 2, p. 350-354

    Research output: Contribution to journalLetterResearchpeer-review

  33. 2018
  34. Published

    Postmortem analysis of three methoxyacetylfentanyl-related deaths in Denmark and in vitro metabolite profiling in pooled human hepatocytes

    Mardal, Marie, Johansen, Sys Stybe, Davidsen, A. B., Telving, R., Jornil, J. R., Dalsgaard, Petur Weihe, Hasselstrøm, J. B., Øiestad, Å. M., Linnet, Kristian & Andreasen, M. F., Sep 2018, In: Forensic Science International. 290, p. 310-317

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    Metabolite Profiling of Methoxyacetylfentanyl in Pooled Human Hepatocytes and Quantitation in Biological Samples from a Postmortem Forensic Case

    Mardal, Marie, Johansen, Sys Stybe, Davidsen, A. B., Dalsgaard, Petur Weihe & Linnet, Kristian, 28 Aug 2018.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  36. Published

    Metabolism of the synthetic cannabinoids AMB-CHMICA and 5C-AKB48 in pooled human hepatocytes and rat hepatocytes analyzed by UHPLC-(IMS)-HR-MSE

    Mardal, Marie, Dalsgaard, Petur Weihe, Qi, B., Mollerup, Christian Brinch, Annaert, P. & Linnet, Kristian, 15 Apr 2018, In: Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences. 1083, p. 189-197 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published
  38. Published
  39. 2017
  40. Published
  41. Published

    Targeted and non-targeted drug screening in whole blood by UHPLC-TOF-MS with data-independent acquisition

    Mollerup, Christian Brinch, Dalsgaard, Petur Weihe, Mardal, Marie & Linnet, Kristian, Jul 2017, In: Drug Testing and Analysis. 9, 7, p. 1052–1061 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Analytical Profiling of Airplane Wastewater: a New Matrix for Mapping Worldwide Patterns of Drug Use and Abuse

    Mardal, Marie, Aarestrup, F. M., Rasmussen, Brian Schou, Mollerup, Christian Brinch, Dalsgaard, Petur Weihe & Linnet, Kristian, 2017, In: Scandinavian Journal of Forensic Science. 23, 1, p. 7-12

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. 2015
  44. Published

    Metabolites of 5F-AKB-48, a synthetic cannabinoid receptor agonist, identified in human urine and liver microsomal preparations using liquid chromatography high-resolution mass spectrometry

    Holm, N. B., Pedersen, A. J., Dalsgaard, Petur Weihe & Linnet, Kristian, Mar 2015, In: Drug Testing and Analysis. 7, 3, p. 199-206 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. 2014
  46. Published

    Identification of peptide and protein doping related drug compounds confiscated in Denmark between 2007-2013

    Hartvig, R. A., Holm, N. B., Dalsgaard, Petur Weihe, Reitzel, Lotte Ask, Müller, Irene Breum & Linnet, Kristian, Dec 2014, In: Scandinavian Journal of Forensic Science. 20, 2, p. 42-49 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. 2013
  48. Published

    Screening for illicit and medicinal drugs in whole blood using fully automated SPE and UHPLC-TOF-MS with data-independent acquisition

    Pedersen, A. J., Dalsgaard, Petur Weihe, Rode, A. J., Rasmussen, Brian Schou, Müller, Irene Breum, Johansen, Sys Stybe & Linnet, Kristian, 22 Apr 2013, In: Journal of Separation Science. 36, 13, p. 2081-2089

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Screening of 30 acidic and neutral pharmaceuticals in whole blood by fully automated SPE and UPLC-TOF-MS(E.)

    Dalsgaard, Petur Weihe, Rode, A. J., Pedersen, A. J., Rasmussen, Brian Schou, Windberg, C. N. & Linnet, Kristian, Apr 2013, In: Drug Testing and Analysis. 5, 4, p. 254-8 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Published

    Quantification of 31 illicit and medicinal drugs and metabolites in whole blood by fully automated solid-phase extraction and ultra-performance liquid chromatography-tandem mass spectrometry

    Bjørk, M. K., Simonsen, Kirsten Wiese, Andersen, D. W., Dalsgaard, Petur Weihe, Sigurdardottir, S., Linnet, Kristian & Rasmussen, Brian Schou, 8 Jan 2013, In: Analytical and Bioanalytical Chemistry. 405, p. 2607-2617 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  51. Published

    Quantitative Analysis of 30 Drugs in Whole Blood by SPE and UHPLC-TOF-MS

    Dalsgaard, Petur Weihe, Rode, A. J., Rasmussen, Brian Schou, Bjork, M. K., Petersen, D. I., Madsen, K. A., Gammelgaard, Bente, Simonsen, Kirsten Wiese & Linnet, Kristian, 2013, In: Journal of Forensic Science and Criminology. 1, 1, p. 1-6 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  52. Published

    Quantitative analysis of 30 drugs in whole blood by SPE and UHPLC-TOF-MS

    Dalsgaard, Petur Weihe, Rode, A. J., Rasmussen, Brian Schou, Bjørk, M. K., Petersen, D., Madsen, K., Gammelgaard, Bente, Simonsen, Kirsten Wiese & Linnet, Kristian, 2013, In: Journal of Forensic Science and Criminology. 1, 1, p. 1-7 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. Published

    Quantitative analysis of cortisol and 6beta-hydroxycortisol in urine by fully automated SPE and ultra-performance LC coupled with electrospray and atmospheric pressure Chemical ionization (ESCi)-TOF-MS

    Lang, L. M., Dalsgaard, Petur Weihe & Linnet, Kristian, 2013, In: Journal of Separation Science. 36, p. 246-251 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Published

    Screening of Danish traffic cases for synthetic cannabinoids in whole blood by LC-MS/MS

    Holm, N. B., Pineda, R., Andersen, D. W., Rasmussen, Brian Schou, Dalsgaard, Petur Weihe, Hoegberg, L., Johansen, Sys Stybe & Linnet, Kristian, 2013, In: Scandinavian Journal of Forensic Science. 19, 2, p. 31-37 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. 2012
  56. Published

    Atlantinone A, a meroterpenoid produced by Penicillium ribeum and several cheese associated Penicillium species

    Dalsgaard, Petur Weihe, Petersen, B., Duus, J. Ø., Zidorn, C., Frisvad, J. C., Christophersen, C. & Larsen, T. O., 2012, In: Metabolites. 2, 1, p. 214-220 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  57. Published

    Identification of ten new designer drugs by GC-MS, UPLC-QTOF-MS, and NMR as part of a police investigation of a Danish internet company

    Reitzel, Lotte Ask, Dalsgaard, Petur Weihe, Müller, Irene Breum & Cornett, Claus, 2012, In: Drug Testing and Analysis. 4, 5, p. 342-54 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  58. Published

    Toxicological screening of basic drugs in whole blood using UPLC-TOF-MS

    Dalsgaard, Petur Weihe, Rasmussen, Brian Schou, Müller, Irene Breum & Linnet, Kristian, 2012, In: Drug Testing and Analysis. 4, 5, p. 313-9 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  59. 2010
  60. Published

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

    Nielsen, Marie Katrine Klose, Johansen, Sys Stybe, Dalsgaard, Petur Weihe & Linnet, Kristian, 2010, In: Forensic Science International. 196, 1-3, p. 85-92 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  61. 2007
  62. Published

    Identification of TLC markers and quantification by HPLC-MS of various constituents in noni fruit powder and commercial noni-derived products

    Potterat, O., Felten, R. V., Dalsgaard, Petur Weihe & Hamburger, M., 2007, In: Journal of Agricultural and Food Chemistry. 55, 18, p. 7489-7494 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 4067743