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Poisons --- Forensic toxicology. --- Analysis.
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Forensic toxicology. --- Alcohol --- Toxicology.
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The thesis by Gerd Jakobsson examines the role of oxycodone in forensic toxicology, focusing on analytical strategies to determine cause and manner of death in cases involving oxycodone. It explores the drug's pharmacokinetics, the impact of metabolic differences, and the role of drug interactions. Utilizing techniques such as LC-MS/MS and genotyping, the research aims to improve the accuracy of post mortem toxicological analysis. The study also investigates prescription trends and the presence of interacting substances in cases of intoxication. Intended for forensic scientists and medical professionals, the work emphasizes the importance of considering metabolites and genetic factors in forensic investigations.
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This dissertation by Jakob Wallgren explores the metabolism of New Psychoactive Substances (NPS), specifically focusing on synthetic cannabinoids and fentanyl analogues. Aimed at enhancing forensic toxicology, the study synthesizes potential metabolites to accurately identify their structures in human urine samples and hepatocyte incubations. The work addresses the challenges of detecting NPS due to their rapid and extensive metabolism, presenting synthetic routes to produce reference standards for urinary biomarkers. This research seeks to improve drug detection and understand the toxicity of these substances, providing valuable insights for forensic and public health applications.
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Postmortem Toxicology addresses the various aspects of the practice of forensic postmortem toxicology from a viewpoint of elements which must be taken into consideration for proper interpretation of the toxicological result, not in a vacuum but in a more holistic and global sense. The volume examines pre-analytical factors, storage containers/conditions, prior medical interventions and therapy, along with information from the scene investigation and anatomical findings. This reference also provides explanation of the complicating conditions for the interpretation of the toxicological results due to postmortem decomposition, embalming artifacts and the postmortem redistribution of drugs. Tolerance is also discussed as an aid to interpreting results from a habitual/chronic user of medications and/or drugs of abuse. The book is geared towards the current practitioner; however, it is written to be used as a valuable reference for a graduate or post-graduate level courses in forensic toxicology or forensic pathology.
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This dissertation by Pernilla Haage explores the forensic toxicology of tramadol, focusing on its drug disposition and the challenges of interpreting its effects. Tramadol is a complex opioid with racemic properties, metabolized by polymorphic enzymes, which complicates the assessment of its therapeutic, toxic, or lethal levels. The research involves genotyping and concentration determination of tramadol and its metabolites using advanced mass spectrometry techniques. Key findings include correlations between enantiomer ratios and time since drug administration, as well as the influence of genetic variations in metabolizing enzymes on tramadol's effects. The study aims to improve forensic evaluations of tramadol toxicity and metabolism, offering insights valuable to researchers and forensic professionals.
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During the investigation of aviation accidents, postmortem specimens from accident victims are submitted to the Federal Aviation Administration's Civil Aerospace Medical Institute (CAMI) for toxicological analysis. As new medications are introduced to the market and are subsequently used by aviation accident victims, CAMI's forensic toxicology laboratory is tasked with developing analytical methods for the determination of these compounds. This report presents a rapid and reliable method for the identification and quantitation of vardenafil (Levitra®) in biological specimens. This procedure utilizes sildenafil-d8, which structurally is closely related to vardenafil, as an internal standard for more accurate and reliable quantitation. The method incorporates solid phase extraction and LC/MS/MS and MS/MS/MS utilizing an atmospheric pressure chemical ionization ion trap mass spectrometer in the positive chemical ionization mode. Solid-phase extraction proved to be exceptionally efficient providing recoveries that ranged from 94-97%. The limit of detection for vardenafil was determined to be 0.19 ng/mL. The linear dynamic range for this compound was 0.39-200 ng/mL. This method was successfully applied to postmortem fluid and tissue specimens obtained from an aviation accident victim. This novel analytical procedure proved to be simple, accurate, and robust for the identification and quantitation of vardenafil in postmortem specimens.
Forensic toxicology --- Impotence. --- Aircraft accidents --- Investigation
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