Lena Kristoffersen

Nydalen, 0424, Norway

Last Updated: 09/26/2026

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Found 19 publications

Elimination of EtG and EtS between two consecutive blood samples in apprehended drivers.

Elimination of EtG and EtS between two consecutive blood samples in apprehended drivers.

Journal: Forensic science international

Published: June 27, 2025

Post-mortem formation of GHB: A retrospective study of forensic autopsies.

Post-mortem formation of GHB: A retrospective study of forensic autopsies.

Journal: Forensic science international

Published: December 20, 2024

Driving under the influence of zopiclone: Elimination between two consecutive blood samples.

Driving under the influence of zopiclone: Elimination between two consecutive blood samples.

Journal: Forensic science international

Published: March 30, 2023

Comparative Evaluation of Carboxyhemoglobin Quantification in Postmortem Whole Blood by CO-Oximetry and Headspace Gas Chromatography with Flame Ionization Detection and Atom Absorption Spectrophotometry.

Comparative Evaluation of Carboxyhemoglobin Quantification in Postmortem Whole Blood by CO-Oximetry and Headspace Gas Chromatography with Flame Ionization Detection and Atom Absorption Spectrophotometry.

Journal: Journal of analytical toxicology

Published: June 16, 2022

Frequency of postmortem ethanol formation in blood, urine and vitreous humor - Improving diagnostic accuracy with the use of ethylsulphate and putrefactive alcohols.

Frequency of postmortem ethanol formation in blood, urine and vitreous humor - Improving diagnostic accuracy with the use of ethylsulphate and putrefactive alcohols.

Journal: Forensic science international

Published: October 14, 2021

Relationship between betahydroxybutyrate (BHB) and acetone concentrations in postmortem blood and cause of death.

Relationship between betahydroxybutyrate (BHB) and acetone concentrations in postmortem blood and cause of death.

Journal: Forensic science international

Published: October 30, 2020

Quantitative Determination of Ethyl Glucuronide and Ethyl Sulfate in Postmortem and Antemortem Whole Blood Using Phospholipid Removal 96-Well Plate and UHPLC-MS-MS.

Quantitative Determination of Ethyl Glucuronide and Ethyl Sulfate in Postmortem and Antemortem Whole Blood Using Phospholipid Removal 96-Well Plate and UHPLC-MS-MS.

Journal: Journal of analytical toxicology

Published: April 27, 2020

Determination of 12 commonly found compounds in DUID cases in whole blood using fully automated supported liquid extraction and UHPLC-MS/MS.

Determination of 12 commonly found compounds in DUID cases in whole blood using fully automated supported liquid extraction and UHPLC-MS/MS.

Journal: Journal of chromatography. B, Analytical technologies in the biomedical and life sciences

Published: February 09, 2018

Comparative Study of Postmortem Concentrations of Antidepressants in Several Different Matrices.

Comparative Study of Postmortem Concentrations of Antidepressants in Several Different Matrices.

Journal: Journal of analytical toxicology

Published: September 20, 2017

EtG and EtS in Autopsy Blood Samples With and Without Putrefaction Using UPLC-MS-MS.

EtG and EtS in Autopsy Blood Samples With and Without Putrefaction Using UPLC-MS-MS.

Journal: Journal of analytical toxicology

Published: August 17, 2016

Ethanol elimination rates at low concentrations based on two consecutive blood samples.

Ethanol elimination rates at low concentrations based on two consecutive blood samples.

Journal: Forensic science international

Published: April 28, 2016

Determination of safety margins for whole blood concentrations of alcohol and nineteen drugs in driving under the influence cases.

Determination of safety margins for whole blood concentrations of alcohol and nineteen drugs in driving under the influence cases.

Journal: Forensic science international

Published: May 19, 2015

Showing 1-12 of 19

Last Updated: 09/26/2026