Helander A - Search Results

1

Drug testing for mitragynine and kratom: Analytical challenges and medico-legal considerations.

Helander A, Rylski A. Helander A, et al. Drug Test Anal. 2023 Feb;15(2):213-219. doi: 10.1002/dta.3391. Epub 2022 Nov 4. Drug Test Anal. 2023. PMID: 36258649 Free PMC article.

2

Investigation of drug products received for analysis in the Swedish STRIDA project on new psychoactive substances.

Bäckberg M, Jönsson KH, Beck O, Helander A. Bäckberg M, et al. Among authors: helander a. Drug Test Anal. 2018 Feb;10(2):340-349. doi: 10.1002/dta.2226. Epub 2017 Aug 16. Drug Test Anal. 2018. PMID: 28600832

3

Human urinary metabolic patterns of the designer benzodiazepines flubromazolam and pyrazolam studied by liquid chromatography-high resolution mass spectrometry.

Pettersson Bergstrand M, Meyer MR, Beck O, Helander A. Pettersson Bergstrand M, et al. Among authors: helander a. Drug Test Anal. 2018 Mar;10(3):496-506. doi: 10.1002/dta.2243. Epub 2017 Aug 29. Drug Test Anal. 2018. PMID: 28677876

4

Detectability of fentanyl and designer fentanyls in urine by 3 commercial fentanyl immunoassays.

Helander A, Stojanovic K, Villén T, Beck O. Helander A, et al. Drug Test Anal. 2018 Mar 12. doi: 10.1002/dta.2382. Online ahead of print. Drug Test Anal. 2018. PMID: 29529707

5

Chemical synthesis, characterisation and in vitro and in vivo metabolism of the synthetic opioid MT-45 and its newly identified fluorinated analogue 2F-MT-45 with metabolite confirmation in urine samples from known drug users.

McKenzie C, Sutcliffe OB, Read KD, Scullion P, Epemolu O, Fletcher D, Helander A, Beck O, Rylski A, Antonides LH, Riley J, Smith SA, Nic Daeid N. McKenzie C, et al. Among authors: helander a. Forensic Toxicol. 2018;36(2):359-374. doi: 10.1007/s11419-018-0413-1. Epub 2018 Apr 5. Forensic Toxicol. 2018. PMID: 29963206 Free PMC article.

6

Analytical and medico-legal problems linked to the presence of delta-8-tetrahydrocannabinol (delta-8-THC): Results from urine drug testing in Sweden.

Helander A, Johansson M, Andersson A, Villén T. Helander A, et al. Drug Test Anal. 2022 Feb;14(2):371-376. doi: 10.1002/dta.3190. Epub 2021 Nov 10. Drug Test Anal. 2022. PMID: 34734479

7

Comment on the upper cutoff level for the alcohol biomarker phosphatidylethanol (PEth) for the assessment of alcohol consumption in forensic practice.

Musshoff F, Böttcher M, Graw M, Skopp G, Neumann J, Høiseth G, Helander A. Musshoff F, et al. Among authors: helander a. Drug Test Anal. 2023 Jul;15(7):791-792. doi: 10.1002/dta.3432. Epub 2022 Dec 30. Drug Test Anal. 2023. PMID: 36585567 No abstract available.

8

Alternative routine for reporting chiral amphetamine test results in assessment of attention-deficit/hyperactivity disorder medication: experiences from 2013 to 2023.

Helander A, Andersson A, Villén T. Helander A, et al. Drug Test Anal. 2024 Apr 10. doi: 10.1002/dta.3690. Online ahead of print. Drug Test Anal. 2024. PMID: 38600633

9

Use of LC-HRMS in full scan-XIC mode for multi-analyte urine drug testing - a step towards a 'black-box' solution?

Stephanson NN, Signell P, Helander A, Beck O. Stephanson NN, et al. Among authors: helander a. J Mass Spectrom. 2017 Aug;52(8):497-506. doi: 10.1002/jms.3946. J Mass Spectrom. 2017. PMID: 28493314

10

Urine Drug Tests Indicate Higher Prevalence of Combined Alcohol and Cocaine Use Compared to Alcohol Together with Cannabis or Amphetamine-A Possible Link to Cocaethylene.

Helander A, Villén T, Signell P. Helander A, et al. Alcohol Alcohol. 2023 May 9;58(3):274-279. doi: 10.1093/alcalc/agad009. Alcohol Alcohol. 2023. PMID: 36796800 Free PMC article.

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