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Mário Barroso

Mário Barroso

Mário Barroso, Head of R&D and Method Development at AlphaBiolabs Mário leads AlphaBiolabs’ technical team on developing and improving testing methods. Prior to joining AlphaBiolabs, Mário spent 20 years as a Forensic Toxicologist at the Portuguese National Institute of Forensic Medicine, where he developed and implemented hair testing services. He also sits on the Board of the international Society of Hair Testing.


Articles by this author

Hallucinogen drug testing

Mário Barroso, Head of R&D and Method Development at AlphaBiolabs, discusses what family law professionals need to know about hallucinogens, from the main hallucinogenic drugs encountered in family proceedings, to their effects and the testing options available

14 September 2026
254022

Hair drug testing: Patterns of use, single events and limitations

Mário Barroso, Head of R&D and Method Development at AlphaBiolabs, examines the forensic science underpinning hair drug testing, its evidential scope and limitations, and why it remains the gold standard for evidencing patterns of drug use in family proceedings

20 July 2026
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