Sys Stybe Johansen

Sys Stybe Johansen

Associate Professor

ORCID: 0000-0002-9555-5134

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  1. Published

    1,2-dibrom-2,4-dicyanobutan i kosmetika

    Rastogi, S. C., Johansen, Sys Stybe, Jensen, G. H. & Hansen, P., 1993, Roskilde: National Environmental Research Institute. 23 p.

    Research output: Book/Report › Report › Research

  2. Published

    In vitro studies on flubromazolam metabolism and detection of its metabolites in authentic forensic samples

    Noble, C., Mardal, Marie, Holm, N. B., Johansen, Sys Stybe & Linnet, Kristian, 2017, In: Drug Testing and Analysis. 9, 8, p. 1182–1191

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    A Systematic Review of Metabolite-to-Drug Ratios of Pharmaceuticals in Hair for Forensic Investigations

    Rygaard, K., Linnet, Kristian & Johansen, Sys Stybe, 2021, In: Metabolites. 11, 10, 28 p., 686.

    Research output: Contribution to journal › Review › Research › peer-review

  4. Published

    A Systematic Toxicological Analysis Strategy for Drug: Facilitated Sexual Assault Cases

    Skov, Kathrine Østerballe, Johansen, Sys Stybe, Linnet, Kristian & Nielsen, Marie Katrine Klose, May 2023, 7th Annual Meeting of the Nordic Association of Forensic Toxicologists (NAFT): Abstract book. Copenhagen: Nordic Association of Forensic Toxicologists (NAFT), 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review

  5. Published

    A drug rape case involving triazolam detected in hair and urine

    Johansen, Sys Stybe, 2012, In: International Journal of Legal Medicine. 126, 637-643

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    A fatal case of amlodipine poisoning

    Johansen, Sys Stybe & Genner, J., 2003, In: Journal of Clinical Forensic Medicine. 10, 3, p. 169-172

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    A fatal overdose of the ergot derivative cabergoline

    Johansen, Sys Stybe & Karkov, J. N. D., 2004, In: Forensic Science International. 146, 1, p. 47-51

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    A review on the forensic toxicology of global drug-facilitated sexual assaults

    Skov, Kathrine Østerballe, Johansen, Sys Stybe, Linnet, Kristian & Nielsen, Marie Katrine Klose, 2022, In: European Review for Medical and Pharmacological Sciences. 26, 1, p. 183-197

    Research output: Contribution to journal › Review › Research › peer-review

  9. Published

    A suspected facilitated crime (DFC) investigated by hair analysis: SOFT, Boston, MA, USA

    Johansen, Sys Stybe & Nielsen, Marie Katrine Klose, 4 Jul 2012. 1 p.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  10. Published

    Advantages of analyzing postmortem brain samples in routine forensic drug screening—case series of three non-natural deaths tested positive for lysergic acid diethylamide (LSD)

    Mardal, Marie, Johansen, Sys Stybe, Thomsen, Ragnar & Linnet, Kristian, Sep 2017, In: Forensic Science International. 278, p. e14-e18

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Amitriptyline accumulation in tissues after coated activated charcoal hemoperfusion: a randomized controlled animal poisoning model

    Jansen, T., Hoegberg, L. C. G., Eriksen, Thomas, Dalhoff, Kim, Belhage, B. & Johansen, Sys Stybe, 2018, In: Clinical Toxicology. 56, 6, p. 513-513 133.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  12. Published

    Amitriptyline accumulation in tissues after coated activated charcoal hemoperfusion—a randomized controlled animal poisoning model

    Jansen, T., Hoegberg, L. C. G., Eriksen, Thomas, Dalhoff, Kim, Belhage, B. & Johansen, Sys Stybe, Oct 2019, In: Naunyn-Schmiedeberg's Archives of Pharmacology. 392, 10, p. 1285–1292

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Analysis of Creosote and Oil in Aqueous Contaminations by SPME

    Johansen, Sys Stybe, 1999, Applications of Solid Phase Microextraction. Letchworth, UK: Royal Society of Chemistry, p. 238-247

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  14. Published

    Application of a screening method for fentanyl and its analogues using UHPLC-QTOF-MS with data-independent acquisition (DIA) in MSE mode and retrospective analysis of authentic forensic blood samples

    Noble, C., Dalsgaard, Petur Weihe, Johansen, Sys Stybe & Linnet, Kristian, Apr 2018, In: Drug Testing and Analysis. 10, 4, p. 651-662

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Accepted/In press

    Automated enzymatic hydrolysis of urine samples for improved systematic toxicological analysis of drug-facilitated sexual assault cases

    Skov, Kathrine Østerballe, Johansen, Sys Stybe, Linnet, Kristian & Nielsen, Marie Katrine Klose, 2024, (Accepted/In press) In: Drug Testing and Analysis.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Bionedbrydning af tjærestoffer i jord og grundvand

    Dyreborg, S., Broholm, K., Johansen, Sys Stybe, Arvin, E. & Licht, D., 1999, In: Vand og Jord. 6, 3, p. 84-91

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Blood and Tissue Concentrations of Drugs Found in Fatal Poisonings in Eastern Denmark During a Five-year Period (1998-2002)

    Petersen, H. W. & Johansen, Sys Stybe, 2006, Texas, USA: SOFT 2006, p. 64.

    Research output: Working paper

  18. Published

    Brain-blood ratio of morphine in heroin and morphine autopsy cases

    Nedahl, Michael, Johansen, Sys Stybe & Linnet, Kristian, 1 Aug 2019, In: Forensic Science International. 301, p. 388-393

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    CCH attack frequency reduction after psilocybin correlates with hypothalamic functional connectivity

    Madsen, M. K., Petersen, A. S., Stenbæk, Dea Siggaard, Sørensen, I. M., Schiønning, H., Fjeld, T., Nykjær, C. H., Larsen, S. M. U., Grzywacz, M., Mathiesen, T., Klausen, I. L., Overgaard-Hansen, O., Brendstrup-Brix, K., Linnet, Kristian, Johansen, Sys Stybe, Fisher, P. M., Jensen, Rigmor Højland & Knudsen, Gitte Moos, 2024, In: Headache. 64, 1, p. 55-67

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Chiral analysis of methadone and its main metabolite EDDP in postmortem blood by liquid chromatography-mass spectrometry

    Johansen, Sys Stybe, 2008.

    Research output: Contribution to conference › Poster › Research

  21. Published

    Chiral analysis of methadone and its main metabolite EDDP in postmortem blood by liquid chromatography-mass spectrometry

    Johansen, Sys Stybe & Linnet, Kristian, 2008, In: Journal of Analytical Toxicology. 32, 7, p. 499-504 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Chiral analysis of methadone and its main metabolite EDDP in postmortem blood by liquid chromatography-mass spectrometry

    Johansen, Sys Stybe & Linnet, Kristian, Sep 2008, In: Journal of Analytical Toxicology. 32, 7, p. 499–504

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Chiral separation and quantification of R/S-amphetamine, R/S-metamphetamine, R/S-MDA, R/S-MDMA and R/S-MDEA in whole blood by GC-EI-MS

    Rasmussen, L. B., Olsen, K. H. & Johansen, Sys Stybe, 2006, In: Journal of Chromatography - B. 842, p. 136-141

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Chiral separation and quantification of R/S-amphetamine, R/S-methamphetamine, R/S-MDA, R/S-MDMA, and R/S-MDEA in whole blood by GC-EI-MS

    Rasmussen, L. B., Olsen, K. H. & Johansen, Sys Stybe, 2 Oct 2006, In: Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences. 842, 2 SPEC. ISS., p. 136-141 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Clinical signs in a non-Parkinson’s patient from therapeutic doses of pramipexol given in error – and antidotal reversal

    Bøgevig, S., Johansen, Sys Stybe, Kruse, H. & Heogberg, L., 24 May 2019, In: Clinical Toxicology. 57, 6, p. 511 1 p., 190.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  26. Published

    Comparison of high-performance liquid chromatographic methods for the determination of 1,2-dibromo-2,4-dicyanobutane in cosmetic products

    Rastogi, S. C. & Johansen, Sys Stybe, 1995, In: Journal of Chromatography A. 692, p. 53-57

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Concentrations of aripiprazole and dehydroaripiprazole in hair segments from deceased individuals with mental disorders

    Rygaard, K., Linnet, Kristian, Banner, Jytte & Johansen, Sys Stybe, Dec 2020, In: Forensic Science International. 317, 8 p., 110523.

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Published

    Concentrations of citalopram and escitalopram in postmortem hair segments

    Rygaard, K., Nielsen, Marie Katrine Klose, Linnet, Kristian, Banner, Jytte & Johansen, Sys Stybe, 2022, In: Forensic Science International. 336, 8 p., 111349.

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    Degradation pathways of quinolines in a biofilm system under denitrifying conditions

    Johansen, Sys Stybe, Arvin, E., Mosbæk, H. & Hansen, A. B., 1997, In: Environmental Toxicology and Chemistry. 9, 16, p. 1821-1828

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Deposition of diazepam and its metabolites in hair following a single dose of diazepam

    Wang, X., Johansen, Sys Stybe, Zhang, Y., Jia, J., Rao, Y., Jiang, F. & Linnet, Kristian, Jan 2017, In: International Journal of Legal Medicine (Print). 131, 1, p. 131-141 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    Detection of scopolamine in urine and hair in a drug-facilitated sexual assault

    Melchior, S. E., Nielsen, Marie Katrine Klose, Oropeza, A. R., Banner, Jytte & Johansen, Sys Stybe, 2023, In: Forensic Science International. 347, 5 p., 111678.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Detection of scopolamine in urine and hair in a drug-facilitated sexual assault case

    Melchior, S. E., Nielsen, Marie Katrine Klose, Oropeza, A. R., Banner, Jytte & Johansen, Sys Stybe, 2023, p. P51. 1 p.

    Research output: Contribution to conference › Poster › Research

  33. Published

    Detection of scopolamine in urine and hair in a drug-facilitated sexual assault case

    Melchior, S. E., Nielsen, Marie Katrine Klose, Oropeza, A. R., Banner, Jytte & Johansen, Sys Stybe, 2023, TIAFT 2023: 60th International Association of Forensic Toxicologists Meeting: Abstract book. p. 108-108 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review

  34. Published

    Detection of the antipsychotic drug quetiapine in the blood, urine and hair samples of the victim of a drug-facilitated sexual assault

    Johansen, Sys Stybe, Jan 2017, In: Forensic Science International. 270, p. e12-e15 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Determination of GHB and GHB-β-O-glucuronide in hair of three narcoleptic patients-Comparison between single and chronic GHB exposure

    Mehling, L., Wang, X., Johansen, Sys Stybe, Spottke, A., Heidbreder, A., Young, P., Madea, B. & Hess, C., Sep 2017, In: Forensic Science International. 278, p. e8-e13

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    Determination of Gamma-Hydroxybutyrate (GHB) by Headspace-GC/MS (FID) in Forensic Samples

    Johansen, Sys Stybe & Felby, S., 2000, In: Problems of Forensic Sciences, 37th TIAFT Triennial Meeting. 43, p. 126-130

    Research output: Contribution to journal › Conference article › Research › peer-review

  37. Published

    Determination of amphetamine, methamphetamine, MDA and MDMA in human hair by GC-EI-MS after derivatization with perfluorooctanoyl chloride

    Johansen, Sys Stybe & Jornil, J., 2009, In: Scandinavian Journal of Clinical & Laboratory Investigation. 69, 1, p. 113-20 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    Determination of olanzapine in whole blood using simple protein precipitation and liquid chromatography-tandem mass spectrometry

    Nielsen, Marie Katrine Klose & Johansen, Sys Stybe, 2009, In: Journal of Analytical Toxicology. 33, 4, p. 212-7 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Development of a UPLC–MS/MS method for determining ɣ-hydroxybutyric acid (GHB) and GHB glucuronide concentrations in hair and application to forensic cases

    Wang, X., Johansen, Sys Stybe & Linnet, Kristian, Jan 2016, In: Forensic Toxicology. 34, 1, p. 51-60

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    Distribution of zopiclone and main metabolites in hair following a single dose

    Hansen, Stine Lund, Johansen, Sys Stybe, Nielsen, Marie Katrine Klose, Nilsson, G. & Kronstrand, R., Jan 2020, In: Forensic Science International. 306, 9 p., 110074.

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Distribution patterns, dermatomal anesthesia, and Ropivacaine serum concentrations after bilateral dualtransversus abdominis plane block

    Johansen, Sys Stybe, 2012, In: Regional Anesthesia and Pain Medicine. 37, 3, p. 294-301

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Published

    Dit hår afslører, hvilke stoffer du har taget: Med en håranalyse kan retskemikere spore alt, hvad der har været i dit blod. Håret er en kemisk kalender og kan indeholde det fældende bevis for forbrydelser

    Secher, K. & Johansen, Sys Stybe, 26 Apr 2013

    Research output: Other contribution › Net publication - Internet publication › Communication

  43. Published

    Dominance of pre-analytical over analytical variation for measurement of methadone and its main metabolite in postmortem femoral blood

    Linnet, Kristian, Johansen, Sys Stybe, Buchard, Anders, Munkholm, Julie & Morling, Niels, 2008, In: Forensic Science International. 179, 1, p. 78-82 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    Driving under the Influence of Amphetamine: Analytical Evaluation of Illegal or Prescription Drug Intake Using Chiral UHPLC-MS/MS

    Nielsen, Marie Katrine Klose, Andersen, N. Z., Rasmussen, Brian Schou & Johansen, Sys Stybe, 2023, In: Journal of Analytical Toxicology. 47, 3, p. 280-286

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Drug facilitated sexual assault with lethal outcome: GHB intoxication in a six-year-old girl

    Mehling, L., Johansen, Sys Stybe, Wang, X., Doberentz, E., Madea, B. & Hess, C., Feb 2016, In: Forensic Science International. 259, p. e25-e31

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Drug-facilitated sexual assaults (DFSA) in Denmark

    Johansen, Sys Stybe, Hilden, M., Nielsen, H., Stadsgaard, K. & Hansen, S. H., 2006, Texas, USA: SOFT 2006, p. 65.

    Research output: Working paper

  47. Published

    Drug-related death in Denmark in 2007

    Simonsen, Kirsten Wiese, Hansen, A. C., Rollmann, D., Kringsholm, B., Müller, Irene Breum, Johansen, Sys Stybe & Linnet, Kristian, 1 Aug 2011, In: Danish Medical Bulletin (Online). 58, 8, p. 1-5 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    Drugs Detected In Saliva Samples From Danish Drivers

    Steentoft, A., Johansen, Sys Stybe & Müller, I. B., 2002, Proceedings at ICADTS 2002. ICADTS

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  49. Published

    Drugs in injured drivers in Denmark

    Bernhoft, I. M., Steentoft, A., Johansen, Sys Stybe, Klitgaard, N. A., Larsen, L. B. & Hansen, L. B., 2005, In: Forensic Science International. 150, 2-3, p. 181-189

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    Ecstasy & Designer Amphetamines Findings in Drivers and Post-Mortem Cases in Denmark

    Johansen, Sys Stybe, 2002, Proceedings at ICADTS 2002. ICADTS

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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