Francesca Freni

Via Forlanini, 12
Pavia, 27100, Italy

Last Updated: 09/26/2026

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Found 22 publications

Short-term stability evaluation of synthetic opioids, cathinones and ketamine in dried urine spots. Method validation and application to real cases.

Short-term stability evaluation of synthetic opioids, cathinones and ketamine in dried urine spots. Method validation and application to real cases.

Journal: Forensic science international

Published: June 09, 2025

Determination of Traditional and Designer Benzodiazepines in Urine through LC-MS/MS.

Determination of Traditional and Designer Benzodiazepines in Urine through LC-MS/MS.

Journal: Current pharmaceutical design

Published: June 15, 2022

Ethyl glucuronide in hair: A 5-year retrospective cohort study in subjects sanctioned for driving under the influence of alcohol and psychoactive substances.

Ethyl glucuronide in hair: A 5-year retrospective cohort study in subjects sanctioned for driving under the influence of alcohol and psychoactive substances.

Journal: Drug testing and analysis

Published: February 06, 2022

Comparison of Two Immunoassay Screening Methods and a LC-MS/MS in Detecting Traditional and Designer Benzodiazepines in Urine.

Comparison of Two Immunoassay Screening Methods and a LC-MS/MS in Detecting Traditional and Designer Benzodiazepines in Urine.

Journal: Molecules (Basel, Switzerland)

Published: November 20, 2021

New Synthetic Cathinones and Phenylethylamine Derivatives Analysis in Hair: A Review.

New Synthetic Cathinones and Phenylethylamine Derivatives Analysis in Hair: A Review.

Journal: Molecules (Basel, Switzerland)

Published: September 10, 2021

Analysis of Cannabinoids and Metabolites in Dried Urine Spots (DUS).

Analysis of Cannabinoids and Metabolites in Dried Urine Spots (DUS).

Journal: Molecules (Basel, Switzerland)

Published: August 01, 2021

A case report on fatal intoxication by tapentadol: Study of distribution and metabolism.

A case report on fatal intoxication by tapentadol: Study of distribution and metabolism.

Journal: Forensic science international

Published: March 22, 2021

Analysis of 14 endocannabinoids and endocannabinoid congeners in human plasma using column switching high-performance atmospheric pressure chemical ionization liquid chromatography-mass spectrometry.

Analysis of 14 endocannabinoids and endocannabinoid congeners in human plasma using column switching high-performance atmospheric pressure chemical ionization liquid chromatography-mass spectrometry.

Journal: Analytical and bioanalytical chemistry

Published: January 03, 2021

Fatal poisoning of four workers in a farm: Distribution of hydrogen sulfide and thiosulfate in 10 different biological matrices.

Fatal poisoning of four workers in a farm: Distribution of hydrogen sulfide and thiosulfate in 10 different biological matrices.

Journal: Forensic science international

Published: August 17, 2020

A comparison between two different dried blood substrates in determination of psychoactive substances in postmortem samples.

A comparison between two different dried blood substrates in determination of psychoactive substances in postmortem samples.

Journal: Forensic toxicology

Published: July 14, 2020

Determination of fentanyl and 19 derivatives in hair: Application to an Italian population.

Determination of fentanyl and 19 derivatives in hair: Application to an Italian population.

Journal: Journal of pharmaceutical and biomedical analysis

Published: June 17, 2020

Importance of segmental hair analysis in a suspected case of attempted homicide by flocoumafen and difenacoum.

Importance of segmental hair analysis in a suspected case of attempted homicide by flocoumafen and difenacoum.

Journal: Forensic science international

Published: May 28, 2020

Showing 1-12 of 22

Last Updated: 09/26/2026