Ritva Karinen

Ritva Karinen

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Ritva Karinen

Ritva Karinen

Publications by authors named "Ritva Karinen"

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An Experimental Study of Diazepam and Alprazolam Kinetics in Urine and Oral Fluid Following Single Oral Doses.

J Anal Toxicol 2018 Dec 5. Epub 2018 Dec 5.

Department of Forensic Sciences,Oslo University Hospital Nydalen, Oslo, Norway.

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http://dx.doi.org/10.1093/jat/bky062DOI Listing
December 2018

Metabolites of Heroin in Several Different Post-mortem Matrices.

J Anal Toxicol 2018 Jun;42(5):311-320

Department of Forensic Sciences, Section of Forensic Toxicology, Oslo University Hospital, PO Box 4950 Nydalen, N-0424 Oslo, Norway.

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http://dx.doi.org/10.1093/jat/bky002DOI Listing
June 2018

The Appearance, Taste, and Concentrations of Zolpidem Dissolved in Still Water and Carbonated Beverages.

J Forensic Sci 2018 May 15;63(3):911-914. Epub 2017 Aug 15.

Department of Forensic Sciences, Oslo University Hospital, Oslo, Norway.

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http://dx.doi.org/10.1111/1556-4029.13604DOI Listing
May 2018

Determination of Acetaminophen, Dexchlorpheniramine, Caffeine, Cotinine and Salicylic acid in 100 μL of Whole Blood by UHPLC-MS/MS.

J Anal Toxicol 2018 Mar;42(2):126-132

Department of Forensic Sciences, Oslo University Hospital, PO Box 4950, Nydalen, N-0424 Oslo, Norway.

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http://dx.doi.org/10.1093/jat/bkx089DOI Listing
March 2018

Is Hair Analysis Useful in Postmortem Cases?

J Anal Toxicol 2018 Jan;42(1):49-54

Department of Forensic Sciences, Oslo University Hospital, Oslo, Norway.

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http://dx.doi.org/10.1093/jat/bkx077DOI Listing
January 2018

Quantitative method for analysis of six anticoagulant rodenticides in faeces, applied in a case with repeated samples from a dog.

Acta Vet Scand 2018 Jan 17;60(1). Epub 2018 Jan 17.

Department of Forensic Sciences, Division of Laboratory Medicine, Oslo University Hospital, P.O. Box 4450 Nydalen, 0424, Oslo, Norway.

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http://dx.doi.org/10.1186/s13028-018-0357-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5772691PMC
January 2018

Underestimated impact of novel psychoactive substances: laboratory confirmation of recreational drug toxicity in Oslo, Norway.

Clin Toxicol (Phila) 2017 Aug 13;55(7):636-644. Epub 2017 Apr 13.

f The Norwegian CBRNe Centre of Medicine, Department of Acute Medicine , Oslo University Hospital , Oslo , Norway.

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http://dx.doi.org/10.1080/15563650.2017.1312002DOI Listing
August 2017

THC and CBD in blood samples and seizures in Norway: Does CBD affect THC-induced impairment in apprehended subjects?

Forensic Sci Int 2017 Jul 15;276:12-17. Epub 2017 Apr 15.

Oslo University Hospital, Division of Laboratory Medicine, Department of Forensic Medicine, P.O. Box 4950 Nydalen, 0424 Oslo, Norway; University of Oslo, Faculty of Medicine, Institute of Clinical Medicine, P.O. Box 1171 Blindern, 0318 Oslo, Norway.

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http://dx.doi.org/10.1016/j.forsciint.2017.04.006DOI Listing
July 2017

A literature review of blood concentrations of new psychoactive substances classified as phenethylamines, aminoindanes, arylalkylamines, arylcyclohexylamines, and indolalkylamines.

Forensic Sci Int 2017 Jul 21;276:120-125. Epub 2017 Mar 21.

Department of Forensic Sciences, Oslo University Hospital, P.O.-4950, Nydalen, N-0424 Oslo, Norway.

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http://dx.doi.org/10.1016/j.forsciint.2017.02.024DOI Listing
July 2017

Codeine-spiked beer in a date rape case?

Int J Legal Med 2016 Nov 10;130(6):1513-1518. Epub 2016 Mar 10.

Division of Forensic Sciences, Norwegian Institute of Public Health, PO Box 4404 Nydalen, 0403, Oslo, Norway.

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http://dx.doi.org/10.1007/s00414-016-1340-5DOI Listing
November 2016

Blood concentrations of new designer benzodiazepines in forensic cases.

Forensic Sci Int 2016 Nov 16;268:35-38. Epub 2016 Sep 16.

Norwegian Institute of Public Health, Domain of Forensic Sciences, P.O. Box 4404, Nydalen, N-0403 Oslo, Norway.

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https://linkinghub.elsevier.com/retrieve/pii/S03790738163041
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http://dx.doi.org/10.1016/j.forsciint.2016.09.006DOI Listing
November 2016

Comparison of drugs used by nightclub patrons and criminal offenders in Oslo, Norway.

Forensic Sci Int 2016 Aug 30;265:1-5. Epub 2015 Dec 30.

Division of Forensic Sciences, Norwegian Institute of Public Health, PO Box 4404, Nydalen, NO-0403 Oslo, Norway.

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http://dx.doi.org/10.1016/j.forsciint.2015.12.029DOI Listing
August 2016

Determination of a selection of synthetic cannabinoids and metabolites in urine by UHPSFC-MS/MS and by UHPLC-MS/MS.

Drug Test Anal 2016 Jul 25;8(7):708-22. Epub 2015 Aug 25.

Norwegian Institute of Public Health, Division of Forensic Sciences, PO Box 4404 Nydalen, 0403, Oslo, Norway.

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http://dx.doi.org/10.1002/dta.1844DOI Listing
July 2016

Methiopropamine in blood samples from drivers suspected of being under the influence of drugs.

Traffic Inj Prev 2016 15;17(1):1-4. Epub 2015 Apr 15.

a Norwegian Institute of Public Health, Division of Forensic Sciences , Nydalen , Oslo , Norway.

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http://dx.doi.org/10.1080/15389588.2015.1036157DOI Listing
June 2016

Novel psychoactive substances.

Tidsskr Nor Laegeforen 2016 May 3;136(8):714-7. Epub 2016 May 3.

Divisjon for rettsmedisinske fag Folkehelseinstituttet og Senter for rus og avhengighetsforskning Institutt for klinisk medisin Universitetet i Oslo.

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http://dx.doi.org/10.4045/tidsskr.15.1278DOI Listing
May 2016

Oral fluid drug analysis in the age of new psychoactive substances.

Bioanalysis 2016 Apr 11;8(7):691-710. Epub 2016 Mar 11.

Division of Forensic Sciences, Norwegian Institute of Public Health (NIPH), PO Box 4404 Nydalen, N-0403 Oslo, Norway.

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http://dx.doi.org/10.4155/bio-2015-0027DOI Listing
April 2016

Characteristics of methadone-related fatalities in Norway.

J Forensic Leg Med 2015 Nov 25;36:114-20. Epub 2015 Sep 25.

Norwegian Institute of Public Health, Division of Forensic Sciences, Oslo, Norway; Institute of Clinical Medicine, University of Oslo, Norway.

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http://dx.doi.org/10.1016/j.jflm.2015.09.011DOI Listing
November 2015

Long-term storage of authentic postmortem forensic blood samples at -20°C: measured concentrations of benzodiazepines, central stimulants, opioids and certain medicinal drugs before and after storage for 16-18 years.

J Anal Toxicol 2014 Nov-Dec;38(9):686-95. Epub 2014 Jul 11.

Division of Forensic Sciences, Norwegian Institute of Public Health, PO Box 4404, Nydalen 0403, Oslo, Norway.

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http://dx.doi.org/10.1093/jat/bku080DOI Listing
July 2015

Determination of a selection of anti-epileptic drugs and two active metabolites in whole blood by reversed phase UPLC-MS/MS and some examples of application of the method in forensic toxicology cases.

Drug Test Anal 2015 Jul 20;7(7):634-44. Epub 2014 Oct 20.

Norwegian Institute of Public Health, Division of Forensic Sciences, Oslo, Norway, Box 4404, Nydalen, 0403, Oslo, Norway.

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http://dx.doi.org/10.1002/dta.1733DOI Listing
July 2015

A fatal intoxication with phenazone (antipyrine).

Forensic Sci Int 2015 Mar 8;248:e13-5. Epub 2015 Jan 8.

Norwegian Institute of Public Health, Division of Forensic Sciences, Box 4404 Nydalen, 0403 Oslo, Norway.

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http://dx.doi.org/10.1016/j.forsciint.2015.01.001DOI Listing
March 2015

Concentrations of APINACA, 5F-APINACA, UR-144 and its degradant product in blood samples from six impaired drivers compared to previous reported concentrations of other synthetic cannabinoids.

Forensic Sci Int 2015 Jan 21;246:98-103. Epub 2014 Nov 21.

Norwegian Institute of Public Health, Division of Forensic Sciences, Box 4404, Nydalen, 0403 Oslo, Norway.

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http://dx.doi.org/10.1016/j.forsciint.2014.11.012DOI Listing
January 2015

An accidental poisoning with mitragynine.

Forensic Sci Int 2014 Dec 24;245:e29-32. Epub 2014 Oct 24.

Norwegian Institute of Public Health, Division of Forensic Sciences, Box 4404, Nydalen, 0403 Oslo, Norway.

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http://dx.doi.org/10.1016/j.forsciint.2014.10.025DOI Listing
December 2014

Lethal poisonings with AH-7921 in combination with other substances.

Forensic Sci Int 2014 Nov 26;244:e21-4. Epub 2014 Aug 26.

Norwegian Institute of Public Health, Division of Forensic Sciences, Box 4404 Nydalen, 0403 Oslo, Norway.

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http://dx.doi.org/10.1016/j.forsciint.2014.08.013DOI Listing
November 2014

Codeine to morphine concentration ratios in samples from living subjects and autopsy cases after incubation.

J Anal Toxicol 2014 Mar 8;38(2):99-105. Epub 2013 Dec 8.

Division of Forensic Medicine and Drug Abuse Research, The Norwegian Institute of Public Health, Pb. 4404, Nydalen, N-0403 Oslo, Norway.

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http://dx.doi.org/10.1093/jat/bkt099DOI Listing
March 2014

Use of alcohol and drugs among health professionals in Norway: a study using data from questionnaires and samples of oral fluid.

J Occup Med Toxicol 2014 Mar 10;9(1). Epub 2014 Mar 10.

Division of Forensic Sciences, Norwegian Institute of Public Health, P,O, Box 4404, Nydalen, N-0403 Oslo, Norway.

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http://dx.doi.org/10.1186/1745-6673-9-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3973962PMC
March 2014

Use of alcohol and drugs among health professionals in Norway: a study using data from questionnaires and samples of oral fluid.

J Occup Med Toxicol 2014 Mar 10;9(1). Epub 2014 Mar 10.

Division of Forensic Sciences, Norwegian Institute of Public Health, P,O, Box 4404, Nydalen, N-0403 Oslo, Norway.

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http://dx.doi.org/10.1186/1745-6673-9-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3973962PMC
March 2014

Analyses of beverage remains in drug rape cases revealing drug residues--the possibility of contamination from drug concentrated oral fluid or oral cavity contained tablets.

J Forensic Sci 2014 Jan 3;59(1):208-10. Epub 2013 Oct 3.

Division of Forensic Medicine and Drug Abuse Research, Norwegian Institute of Public Health, P.O. Box 4404 Nydalen, N-0403, Oslo, Norway.

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http://doi.wiley.com/10.1111/1556-4029.12270
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http://dx.doi.org/10.1111/1556-4029.12270DOI Listing
January 2014

Prevalence of synthetic cannabinoids in blood samples from Norwegian drivers suspected of impaired driving during a seven weeks period.

Accid Anal Prev 2014 Jan 21;62:26-31. Epub 2013 Sep 21.

Norwegian Institute of Public Health, Division of Forensic Medicine and Drug Abuse Research, P.O. 4404, Nydalen, N-0403 Oslo, Norway. Electronic address:

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https://linkinghub.elsevier.com/retrieve/pii/S00014575130036
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http://dx.doi.org/10.1016/j.aap.2013.09.009DOI Listing
January 2014

Methyl tert-butyl ether (MTBE) detected in abnormally high concentrations in postmortem blood and urine from two persons found dead inside a car containing a gasoline spill.

J Forensic Sci 2013 Sep 23;58(5):1393-6. Epub 2013 Jul 23.

Division of Forensic Medicine and Drug Abuse Research, Norwegian Institute of Public Health, Lovisenberggata 6, Oslo, 0456, Norway.

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http://dx.doi.org/10.1111/1556-4029.12208DOI Listing
September 2013

Screening of synthetic cannabinoids in preserved oral fluid by UPLC-MS/MS.

Bioanalysis 2013 Sep;5(18):2257-68

Norwegian Institute of Public Health, Division of Forensic Toxicology & Drug Abuse, PO Box 4404, Nydalen, Oslo, Norway.

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http://dx.doi.org/10.4155/bio.13.182DOI Listing
September 2013

Long-term stability of GHB in post-mortem samples and samples from living persons, stored at -20°C, using fluoride preservatives.

Forensic Sci Int 2012 Oct 28;222(1-3):47-51. Epub 2012 May 28.

Norwegian Institute of Public Health, Division of Forensic Medicine and Drug Abuse Research, PO Box 4404, Nydalen, N-0403 Oslo, Norway.

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http://dx.doi.org/10.1016/j.forsciint.2012.04.033DOI Listing
October 2012

[Effect and occurrence of synthetic cannabinoids].

Tidsskr Nor Laegeforen 2012 Oct;132(20):2285-8

Divisjon for rettsmedisin og rusmiddelforskning, Nasjonalt folkehelseinstitutt, Norway.

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http://dx.doi.org/10.4045/tidsskr.12.0471DOI Listing
October 2012

Morphine to codeine concentration ratio in blood and urine as a marker of illicit heroin use in forensic autopsy samples.

Forensic Sci Int 2012 Apr 2;217(1-3):216-21. Epub 2011 Dec 2.

Norwegian Institute of Public Health, Division of Forensic Medicine and Drug Abuse, Lovisenberggata 6, P.O. Box 4404, Nydalen, 0403 Oslo, Norway.

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http://dx.doi.org/10.1016/j.forsciint.2011.11.007DOI Listing
April 2012

Comparison of the stability of stock solutions of drugs of abuse and other drugs stored in a freezer, refrigerator, and at ambient temperature for up to one year.

J Anal Toxicol 2011 Oct;35(8):583-90

Division of Forensic Toxicology and Drug Abuse, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, 0403 Oslo, Norway.

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http://dx.doi.org/10.1093/anatox/35.8.583DOI Listing
October 2011

Ethyl glucuronide concentrations in oral fluid, blood, and urine after volunteers drank 0.5 and 1.0 g/kg doses of ethanol.

J Anal Toxicol 2010 Jul-Aug;34(6):319-24

Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Nydalen, Oslo, Norway.

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http://dx.doi.org/10.1093/jat/34.6.319DOI Listing
November 2010

Blood GHB concentrations and results of medical examinations in 25 car drivers in Norway.

Eur J Clin Pharmacol 2010 Oct 18;66(10):987-98. Epub 2010 Aug 18.

Division of Forensic Toxicology and Drug Abuse, Norwegian Institute of Public Health, PB. 4404 Nydalen, 0403 Oslo, Norway.

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http://dx.doi.org/10.1007/s00228-010-0870-xDOI Listing
October 2010

Comparison of ethanol and other drugs of abuse concentrations in whole blood stored in venoject glass and plastic and venosafe plastic evacuated tubes.

J Anal Toxicol 2010 Sep;34(7):420-8

Division of Forensic Toxicology and Drug Abuse, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, 0403 Oslo, Norway.

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http://dx.doi.org/10.1093/jat/34.7.420DOI Listing
September 2010

Practical use of ethyl glucuronide and ethyl sulfate in postmortem cases as markers of antemortem alcohol ingestion.

Int J Legal Med 2010 Mar 25;124(2):143-8. Epub 2009 Nov 25.

Norwegian Institute of Public Health, Division of forensic toxicology and drug abuse, Pb 4404 Nydalen, Oslo, Norway.

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http://dx.doi.org/10.1007/s00414-009-0393-0DOI Listing
March 2010

Levels of ethyl glucuronide and ethyl sulfate in oral fluid, blood, and urine after use of mouthwash and ingestion of nonalcoholic wine.

J Anal Toxicol 2010 Mar;34(2):84-8

Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Oslo, Norway.

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http://dx.doi.org/10.1093/jat/34.2.84DOI Listing
March 2010

The effect of scheduling and withdrawal of carisoprodol on prevalence of intoxications with the drug.

Basic Clin Pharmacol Toxicol 2009 Nov 5;105(5):345-9. Epub 2009 Aug 5.

Division of Forensic Toxicology and Drug Abuse, Norwegian Institute of Public Health, P.O. Box 4404 - Nydalen, NO-0403 Oslo, Norway.

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http://dx.doi.org/10.1111/j.1742-7843.2009.00459.xDOI Listing
November 2009

Determination of heroin and its main metabolites in small sample volumes of whole blood and brain tissue by reversed-phase liquid chromatography-tandem mass spectrometry.

J Anal Toxicol 2009 Sep;33(7):345-50

Division of Forensic Toxicology and Drug Abuse, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, 0403 Oslo, Norway.

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http://dx.doi.org/10.1093/jat/33.7.345DOI Listing
September 2009

Lethal poisoning with ethiofencarb and ethanol.

J Anal Toxicol 2009 Sep;33(7):389-92

Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Oslo, Norway.

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http://dx.doi.org/10.1093/jat/33.7.389DOI Listing
September 2009

Serum/whole blood concentration ratio for ethylglucuronide and ethyl sulfate.

J Anal Toxicol 2009 May;33(4):208-11

Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Nydalen, Oslo, Norway.

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http://dx.doi.org/10.1093/jat/33.4.208DOI Listing
May 2009

Bromadiolone poisoning: LC-MS method and pharmacokinetic data.

J Forensic Sci 2008 Jul;53(4):993-6

Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, PO Box 4404, Nydalen, 0403 Oslo, Norway.

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http://doi.wiley.com/10.1111/j.1556-4029.2008.00737.x
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http://dx.doi.org/10.1111/j.1556-4029.2008.00737.xDOI Listing
July 2008

Disappearance of ethyl glucuronide during heavy putrefaction.

Forensic Sci Int 2008 Apr 19;176(2-3):147-51. Epub 2007 Sep 19.

Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Pb 4404 Nydalen, N-0403 Oslo, Norway.

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http://dx.doi.org/10.1016/j.forsciint.2007.08.002DOI Listing
April 2008

A pharmacokinetic study of ethyl glucuronide in blood and urine: applications to forensic toxicology.

Forensic Sci Int 2007 Oct 16;172(2-3):119-24. Epub 2007 Feb 16.

Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Nydalen, Oslo, Norway.

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http://dx.doi.org/10.1016/j.forsciint.2007.01.005DOI Listing
October 2007

Relationship between methadone and EDDP (2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine) in urine samples from Norwegian prisons.

Eur J Clin Pharmacol 2007 Aug 19;63(8):777-82. Epub 2007 Jun 19.

Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, P.O. Box 4404 Nydalen, 0403, Oslo, Norway.

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http://dx.doi.org/10.1007/s00228-007-0314-4DOI Listing
August 2007

A study of ethyl glucuronide in post-mortem blood as a marker of ante-mortem ingestion of alcohol.

Forensic Sci Int 2007 Jan 27;165(1):41-5. Epub 2006 Mar 27.

Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Pb 4404 Nydalen, N-0403 Oslo, Norway.

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http://dx.doi.org/10.1016/j.forsciint.2006.02.045DOI Listing
January 2007

The concentrations, appearance and taste of nine sedating drugs dissolved in four different beverages.

Forensic Sci Int 2005 Jul;151(2-3):171-5

Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, PO Box 4404, Nydalen, 0403 Oslo, Norway.

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http://dx.doi.org/10.1016/j.forsciint.2005.01.017DOI Listing
July 2005