An innovative approach for selective and robust screening of NBOHs, NBOMes, and LSD in forensic samples using a 3D-Printed electrochemical double cell.
Talanta August 15, 2024 Larissa M A Melo, Lucas V de Faria, Luciano C Arantes et al. 8 citations
A fully 3D-printed electrochemical double cell (3D-EDC) allows selective detection of LSD and two phenethylamine classes (NBOHs and NBOMes) in seized blotter papers. The system can use two working electrodes (boron-doped diamond and 3D-printed graphite) or two pH levels (4.0 and 12.0) with a graphite electrode, enabling fast, robust, and sensitive analysis. The method shows good stability (relative standard deviation <9% for current and <5% for potential), a broad linear range (20-100 and 20-70 μmol L⁻¹), and a low limit of detection (1.0 μmol L⁻¹) for LSD quantification. This provides a practical, cost-effective on-site screening tool for forensic analysis.