Publications by authors named "Kaja Tusiewicz"

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The UHPLC-MS/MS method for the determination of 26 synthetic benzimidazole opioids (nitazene analogs) with isomers separation.
Olga Wachełko, Kaja Tusiewicz, Paweł Szpot, Marcin Zawadzki

J Pharm Biomed Anal· August 2025

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Antibiotic stress affects the secretion and physicochemical features of extracellular vesicles produced by Helicobacter pylori.
Paweł Krzyżek, Agnieszka Opalińska, Paweł Migdał, Kaja Tusiewicz, Paweł Szpot

J Antimicrob Chemother· July 2025

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Stability of acetylcholinesterase (AChE) activity in blood: the effect of the preservative agent.
Kaja Tusiewicz, Paweł Szpot, Olga Wachełko, Marcin Zawadzki

Arch Med Sadowej Kryminol· May 2025

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From historical drugs to present perils: UHPLC-QqQ-MS/MS determination of methaqualone and its designer analogs (NPS) with comprehensive fragmentation pathways study (QTOF).
Kaja Tusiewicz, Olga Wachełko, Paweł Szpot, Marcin Zawadzki

Toxicol Mech Methods· March 2025

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A highly sensitive UHPLC-MS/MS method for determining 15 designer LSD analogs in biological samples with application to stability studies.
Olga Wachełko, Karolina Nowak, Kaja Tusiewicz, Marcin Zawadzki, Paweł Szpot

Analyst· January 2025

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Forensic Aspects of Designer LSD Analogs Identification by GC-MS (EI) and UV Spectroscopy.
Kaja Tusiewicz, Olga Wachełko, Marcin Zawadzki, Paweł Szpot

Molecules· December 2024

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Subinhibitory concentrations of antibiotics affect development and parameters of biofilm.
Paweł Krzyżek, Paweł Migdał, Kaja Tusiewicz, Marcin Zawadzki, Paweł Szpot

Front Pharmacol· October 2024

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Application of UHPLC-QqQ-MS/MS Method for Quantification of Beta-Adrenergic Blocking Agents (β-Blockers) in Human Postmortem Specimens.
Paweł Szpot, Kaja Tusiewicz, Olga Wachełko, Marcin Zawadzki

Molecules· September 2024

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The stability of cyanide in human biological samples. A systematic review, meta-analysis and determination of cyanide (GC-QqQ-MS/MS) in an authentic casework 7 years after fatal intoxication.
Kaja Tusiewicz, Olga Wachełko, Marcin Zawadzki, Paweł Szpot

Toxicol Mech Methods· March 2024

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New approach for barbiturates, phenytoin, methyprylon and glutethimide determination and fragmentation (UHPLC-MS/MS).
Olga Wachełko, Kaja Tusiewicz, Marcin Zawadzki, Paweł Szpot

J Pharm Biomed Anal· May 2023

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An ultra-sensitive UHPLC-QqQ-MS/MS method for determination of 54 benzodiazepines (pharmaceutical drugs, NPS and metabolites) and z-drugs in biological samples.
Olga Wachełko, Paweł Szpot, Kaja Tusiewicz, Karolina Nowak, Agnieszka Chłopaś-Konowałek

Talanta· January 2023

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A fatal case involving the highest ever reported 4-CMC concentration.
Kaja Tusiewicz, Agnieszka Chłopaś-Konowałek, Olga Wachełko, Marcin Zawadzki, Paweł Szpot

J Forensic Sci· January 2023

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Methyl (S)-2-(1-7 (5-fluoropentyl)-1H-indole-3-carboxamido)-3,3-dimethylbutanoate (5F-MDMB-PICA) intoxication in a child with identification of two new metabolites (ultra-high-performance liquid chromatography-tandem mass spectrometry).
Paweł Szpot, Karolina Nowak, Olga Wachełko, Kaja Tusiewicz, Agnieszka Chłopaś-Konowałek

Forensic Toxicol· January 2023

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A Case of Amphetamine and Methamphetamine Intoxication in Cat.
Agnieszka Chłopaś-Konowałek, Kaja Tusiewicz, Olga Wachełko, Paweł Szpot, Marcin Zawadzki

Toxics· December 2022

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Severe poisoning after smoking a mixture of 4-fluoroisobutyryl fentanyl (4-FiBF) and alpha-pyrolidinoisohexaphenone (α-PiHP).
Marcin Zawadzki, Olga Wachełko, Kaja Tusiewicz, Paweł Szpot

J Forensic Leg Med· January 2022

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Simultaneous poisoning of 48 birds of prey - bendiocarb determination with the use of UHPLC-ESI-MS/MS method in fatal case from Eastern Europe.
Agnieszka Chłopaś-Konowałek, Marcin Zawadzki, Łukasz Kurach, Olga Wachełko, Rafał Ciaputa, Kaja Tusiewicz

Arch Med Sadowej Kryminol· January 2022

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