Birk L

Graduate Program in Health Sciences, Federal University of Health Sciences of Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil.

4 papers · ORCID

ArticleMDMA

Broad-spectrum LC-MS/MS hair analysis for monitoring recreational drug use in electronic dance music festival attendees.

Pereira Dos Santos B, de Souza Schwarz P, Birk L +3

Europe PMC2026
ArticleMDMA

Shifting Patterns in Ecstasy Use: Increasing Detection of MDA in Forensic Seizures and Toxicological Cases in Southern Brazil.

Dos Santos BP, Pôrto VC, Birk L +4

Europe PMC2026
ArticleLSD

A Sensitive and Comprehensive LC-MS/MS Method for the Analysis of Hallucinogens, Synthetic Cathinones, and Synthetic Cannabinoids in Urine Samples.

Dos Santos BP, Birk L, Pôrto VC +4

Europe PMC2025
ArticleAyahuasca

A rapid analytical strategy for the determination of ayahuasca alkaloids in non-ritualistic approaches by UHPLC-MS/MS.

Eller S, Borges GR, Ossanes DS +6

Europe PMC2020