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Resumo(s)
Chromatography plays a fundamental role in forensic toxicology, serving as a powerful analytical
tool for identifying and quantifying toxic substances in biological samples. Indeed, it is the
science of separation, and it is used to isolate components from complex mixtures.
Gas and liquid chromatography instruments coupled with mass spectrometry equip forensic
laboratories nowadays, and enable accurately identifying and quantifying drugs and metabolites
in several biological specimens, from the most common blood and urine to the unconventional
oral fluid and hair samples.
These techniques allow the efficient separation of the compounds of interest from endogenous
interferences (e.g. proteins, lipids) and their detection. For most substances of toxicological
interest, this detection is performed by mass spectrometry, as only this highly selective and
sensitive technology is capable of unequivocally identifying the substances present in a sample,
allowing obtaining forensically valid and sound results.
In this talk, practical routine cases will be presented and discussed.
Descrição
Conferência por convite no 13º Encontro Nacional de Cromatografia, que decorreu em Dezembro de 2023 em Lisboa
Palavras-chave
Cromatografia Toxicologia Forense Chromatography Forensic Toxicology