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Wojciech Lechowicz

2 papers in the library · 89 citations · publishing 2016-2022

Papers

The prevalence of new psychoactive substances in biological material - a three-year review of casework in Poland.

Drug testing and analysis January 1, 2016 Piotr Adamowicz, Joanna Gieroń, Dominika Gil et al. 87 citations

New psychoactive substances (NPS) appeared in 112 of 1,058 analyzed forensic cases from 2012–2014, with 75 cases in 2014 alone. The overall prevalence of NPS (15.1–17.6%) was similar to that of amphetamine alone (15.1–16.5%). Cathinones made up 88% of the NPS detected, most frequently 3-MMC, α-PVP, and pentedrone. In 35% of cases, a single NPS was the only drug found; two or more NPS appeared in 19% of cases; and most cases (65%) involved NPS alongside conventional drugs such as amphetamines, cannabinoids, cocaine, or benzodiazepines. NPS were often found in drivers' blood, posing a challenge for toxicologists due to limited data on their effects on psychomotor performance.

Screening method for the analysis of blood and urine for the presence of naturally occurring toxic compounds from mushrooms (fungi) using the LC-MS method

Problems of Forensic Sciences March 29, 2022 Bartłomiej Feigel, Ariusz Zuba, Wojciech Lechowicz 2 citations

A qualitative method using solid phase extraction and liquid chromatography with quadrupole time-of-flight mass spectrometry (LC/QTOF) was developed to detect five fungal toxins—α-amanitin, β-amanitin, γ-amanitin, muscarine, and psilocin—in blood and urine. The method uses HLB columns and acetonitrile-based extraction, with detection limits ranging from 0.3 to 2.1 ng/mL depending on the compound and matrix. It enables efficient identification of these toxins in forensic toxicology, addressing challenges in analyzing biological material from autopsies or living humans for mushroom poisoning.