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Development of a Pencil Drawn Paper‐based Analytical Device to Detect Lysergic Acid Diethylamide (LSD)*†

Maria Fernanda Muzetti Ribeiro, Fátima Bento, Antônio José Ipólito, Marcelo Firmino de Oliveira

Journal of Forensic Sciences June 30, 2020 DOI: 10.1111/1556-4029.14494 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Experimental study Peer reviewed
Topics LSD
Keywords Context archaeology Hair analysis Nanotechnology
Citations 22
Key findings A paper-based electrode constructed from watercolor paper, graphite pencil, and silver paint detects LSD with limits of detection and quantification of 0.38 and 1.27 μmol/L, respectively, and can differentiate LSD from MDMA and methamphetamine.

Abstract

Abstract The need for agile and proper identification of drugs of abuse has encouraged the scientific community to improve and to develop new methodologies. The drug lysergic acid diethylamide (LSD) is still widely used due to its hallucinogenic effects. The use of voltammetric methods to analyze narcotics has increased in recent years, and the possibility of miniaturizing the electrochemical equipment allows these methods to be applied outside the laboratory; for example, in crime scenes. In addition to portability, the search for affordable and sustainable materials for use in electroanalytical research has grown in recent decades. In this context, employing paper substrate, graphite pencil, and silver paint to construct paper‐based electrodes is a great alternative. Here, a paper‐based device comprising three electrodes was drawn on 300 g/m 2 watercolor paper with 8B pencils, and its efficiency was compared to the efficiency of a commercially available screen‐printed carbon electrode. Square wave voltammetry was used for LSD analysis in aqueous medium containing 0.05 mol/L LiClO 4 . The limits of detection and quantification were 0.38 and 1.27 μmol/L, respectively. Both electrodes exhibited a similar voltammetric response, which was also confirmed during analysis of a seized LSD sample, with recovery of less than 10%. The seized samples were previously analyzed by GCMS technique, employing the full scan spectra against the software spectral library. The electrode selectivity was also tested against 3,4‐methylenedioxymethamphetamine (MDMA) and methamphetamine. It was possible to differentiate these compounds from LSD, indicating that the developed paper‐based device has potential application in forensic chemistry analyses.

Comparable studies

Other experimental studies on LSD, most cited first.

Study Year Design Participants
Neural correlates of the LSD experience revealed by multimodal neuroimaging. Human participants 2016 Experimental study
Crystal structure of an LSD-bound human serotonin receptor 2017 Experimental study with structural biology and molecular dynamics simulations
Lysergic Acid Diethylamide: Sensitive Neuronal Units in the Midbrain Raphe Midbrain neurons containing serotonin 1968 Experimental study
Connectome-harmonic decomposition of human brain activity reveals dynamical repertoire re-organization under LSD. Human brain 2017 Experimental study
LSD-Assisted Psychotherapy in Patients with Terminal Cancer Cancer patients 1973 Experimental study n = 60

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