Works by Ojanperä, Ilkka
Results: 60
Pharmacokinetics of oxycodone after intravenous, buccal, intramuscular and gastric administration in children.
- Published in:
- 2004
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- Publication type:
- journal article
New psychoactive substances as part of polydrug abuse within opioid maintenance treatment revealed by comprehensive high-resolution mass spectrometric urine drug screening.
- Published in:
- Human Psychopharmacology: Clinical & Experimental, 2016, v. 31, n. 1, p. 44, doi. 10.1002/hup.2512
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- Publication type:
- Article
Comparison of oxycodone pharmacokinetics after buccal and sublingual administration in children.
- Published in:
- 2006
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- Publication type:
- journal article
Death following ingestion of MDMA (ecstasy) and moclobemide.
- Published in:
- Addiction, 2003, v. 98, n. 3, p. 365, doi. 10.1046/j.1360-0443.2003.00292.x
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- Publication type:
- Article
In silico methods for predicting metabolism and mass fragmentation applied to quetiapine in liquid chromatography/time-of-flight mass spectrometry urine drug screening.
- Published in:
- Rapid Communications in Mass Spectrometry: RCM, 2009, v. 23, n. 4, p. 506, doi. 10.1002/rcm.3901
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- Publication type:
- Article
Keto Amphetamine Toxicity—Focus on the Redox Reactivity of the Cathinone Designer Drug Mephedrone.
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- Toxicological Sciences, 2014, v. 141, n. 1, p. 120, doi. 10.1093/toxsci/kfu108
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- Publication type:
- Article
Isotopic pattern and accurate mass determination in urine drug screening by liquid chromatography/time-of-flight mass spectrometry.
- Published in:
- Rapid Communications in Mass Spectrometry: RCM, 2006, v. 20, n. 7, p. 1161, doi. 10.1002/rcm.2429
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- Publication type:
- Article
Comparison of product ion spectra obtained by liquid chromatography/triple-quadrupole mass spectrometry for library search.
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- Rapid Communications in Mass Spectrometry: RCM, 2004, v. 18, n. 10, p. 1039, doi. 10.1002/rcm.1445
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- Publication type:
- Article
Toxicological screening of urine for drugs by liquid chromatography/time-of-flight mass spectrometry with automated target library search based on elemental formulas.
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- Rapid Communications in Mass Spectrometry: RCM, 2001, v. 15, n. 8, p. 521, doi. 10.1002/rcm.260
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- Publication type:
- Article
Fatal α-PVP and amphetamine poisoning during a sauna and autoerotic practices.
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- Forensic Science, Medicine & Pathology, 2020, v. 16, n. 3, p. 493, doi. 10.1007/s12024-020-00236-1
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- Publication type:
- Article
Nicotine, Alcohol, and Drug Findings in Young Adults in a Population-Based Postmortem Database.
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- Nicotine & Tobacco Research, 2011, v. 13, n. 9, p. 763, doi. 10.1093/ntr/ntr069
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- Publication type:
- Article
Comparison of poisoning deaths with wastewater‐based consumption estimates and assessment of fatal toxicity for amphetamine‐type stimulant drugs.
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- Drug Testing & Analysis, 2024, v. 16, n. 6, p. 641, doi. 10.1002/dta.3599
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- Publication type:
- Article
Non‐medical use of psychoactive prescription drugs is associated with fatal poisoning.
- Published in:
- Addiction, 2018, v. 113, n. 3, p. 464, doi. 10.1111/add.14014
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- Publication type:
- Article
IMPROVED IDENTIFICATION BY IN SITU UV SPECTRA IN PLANAR CHROMATOGRAPHY.
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- Journal of Liquid Chromatography & Related Technologies, 2001, v. 24, n. 10, p. 1425, doi. 10.1081/JLC-100103920
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- Publication type:
- Article
Role of postmortem toxicology in drowning investigations.
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- Wiley Interdisciplinary Reviews: Forensic Science, 2024, v. 6, n. 2, p. 1, doi. 10.1002/wfs2.1510
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- Publication type:
- Article
Interaction of alcohol and drugs in fatal poisonings.
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- Human & Experimental Toxicology, 2003, v. 22, n. 5, p. 281, doi. 10.1191/0960327103ht324oa
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- Publication type:
- Article
Buprenorphine deaths confirmed by toxicology reveal a low proportion of opioid agonist treatment before death in Finland.
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- International Journal of Legal Medicine, 2024, v. 138, n. 6, p. 2331, doi. 10.1007/s00414-024-03273-5
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- Publication type:
- Article
Postmortem concentrations of ropivacaine, bupivacaine, and lidocaine in femoral venous blood after hip fracture surgery.
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- International Journal of Legal Medicine, 2023, v. 137, n. 4, p. 1071, doi. 10.1007/s00414-023-03000-6
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- Publication type:
- Article
Post-mortem oxycodone blood concentrations of hospitalized cancer and surgery patients compared with fatal poisonings.
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- International Journal of Legal Medicine, 2022, v. 136, n. 6, p. 1577, doi. 10.1007/s00414-022-02890-2
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- Publication type:
- Article
Fatal toxicity index of medicinal drugs based on a comprehensive toxicology database.
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- International Journal of Legal Medicine, 2016, v. 130, n. 5, p. 1209, doi. 10.1007/s00414-016-1358-8
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- Publication type:
- Article
The effect of banning MDPV on the incidence of MDPV-positive findings among users of illegal drugs and on court decisions in traffic cases in Finland.
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- International Journal of Legal Medicine, 2015, v. 129, n. 4, p. 741, doi. 10.1007/s00414-015-1184-4
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- Publication type:
- Article
Fatal venlafaxine poisonings are associated with a high prevalence of drug interactions.
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- International Journal of Legal Medicine, 2011, v. 125, n. 3, p. 349, doi. 10.1007/s00414-010-0461-5
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- Publication type:
- Article
Prevalence of adverse drug combinations in a large post-mortem toxicology database.
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- International Journal of Legal Medicine, 2009, v. 123, n. 2, p. 109, doi. 10.1007/s00414-008-0261-3
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- Publication type:
- Article
An epidemic of fatal 3-methylfentanyl poisoning in Estonia.
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- International Journal of Legal Medicine, 2008, v. 122, n. 5, p. 395, doi. 10.1007/s00414-008-0230-x
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- Publication type:
- Article
Absorption of different oral dosage forms of oxycodone in the elderly: a cross-over clinical trial in patients undergoing cystoscopy.
- Published in:
- European Journal of Clinical Pharmacology, 2012, v. 68, n. 10, p. 1357, doi. 10.1007/s00228-012-1267-9
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- Publication type:
- Article
Benzodiazepines and alcohol are associated with cases of fatal buprenorphine poisoning.
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- European Journal of Clinical Pharmacology, 2012, v. 68, n. 3, p. 301, doi. 10.1007/s00228-011-1122-4
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- Publication type:
- Article
Adverse interaction of warfarin and paracetamol: evidence from a post-mortem study.
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- European Journal of Clinical Pharmacology, 2010, v. 66, n. 1, p. 97, doi. 10.1007/s00228-009-0727-3
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- Publication type:
- Article
Does coronary artery bypass surgery affect metoprolol bioavailability.
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- European Journal of Clinical Pharmacology, 2007, v. 63, n. 5, p. 471, doi. 10.1007/s00228-007-0276-6
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- Publication type:
- Article
Fatal concentrations of antidepressant and antipsychotic drugs in postmortem femoral blood.
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- Journal of Analytical Toxicology, 2023, v. 47, n. 7, p. 615, doi. 10.1093/jat/bkad044
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- Publication type:
- Article
Quantitative Estimation of 38 Illicit Psychostimulants in Blood by GC-APCI-QTOFMS with Nitrogen Chemiluminescence Detection Based on Three External Calibrators.
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- Journal of Analytical Toxicology, 2020, v. 44, n. 2, p. 163, doi. 10.1093/jat/bkz055
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- Publication type:
- Article
Comparison of Post-targeted and Pre-targeted Urine Drug Screening by UHPLC-HR-QTOFMS.
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- Journal of Analytical Toxicology, 2017, v. 41, n. 7, p. 623, doi. 10.1093/jat/bkx044
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- Publication type:
- Article
Ethylene Glycol and Metabolite Concentrations in Fatal Ethylene Glycol Poisonings.
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- Journal of Analytical Toxicology, 2015, v. 39, n. 6, p. 481, doi. 10.1093/jat/bkv044
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- Publication type:
- Article
Compensation of Matrix Effects in a Standard Addition Method for Metformin in Postmortem Blood Using Liquid Chromatography-Electrospray-Tandem Mass Spectrometry.
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- Journal of Analytical Toxicology, 2015, v. 39, n. 5, p. 359, doi. 10.1093/jat/bkv020
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- Publication type:
- Article
Manganese-Enhanced Magnetic Resonance Imaging Reveals Differential Long-Term Neuroadaptation After Methamphetamine and the Substituted Cathinone 4-Methylmethcathinone (Mephedrone).
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- International Journal of Neuropsychopharmacology, 2015, v. 18, n. 6, p. 1, doi. 10.1093/ijnp/pyu106
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- Publication type:
- Article
Development of a GC-APCI-QTOFMS library for new psychoactive substances and comparison to a commercial ESI library.
- Published in:
- Analytical & Bioanalytical Chemistry, 2017, v. 409, n. 8, p. 2007, doi. 10.1007/s00216-016-0148-y
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- Publication type:
- Article
Simultaneous identification and quantification of new psychoactive substances in blood by GC-APCI-QTOFMS coupled to nitrogen chemiluminescence detection without authentic reference standards.
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- Analytical & Bioanalytical Chemistry, 2016, v. 408, n. 13, p. 3395, doi. 10.1007/s00216-016-9461-8
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- Publication type:
- Article
A high-sensitivity ultra-high performance liquid chromatography/high-resolution time-of-flight mass spectrometry (UHPLC-HR-TOFMS) method for screening synthetic cannabinoids and other drugs of abuse in urine.
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- Analytical & Bioanalytical Chemistry, 2013, v. 405, n. 26, p. 8463, doi. 10.1007/s00216-013-7272-8
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- Publication type:
- Article
In silico and in vitro metabolism studies support identification of designer drugs in human urine by liquid chromatography/quadrupole-time-of-flight mass spectrometry.
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- Analytical & Bioanalytical Chemistry, 2013, v. 405, n. 21, p. 6697, doi. 10.1007/s00216-013-7137-1
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- Publication type:
- Article
Combined drug screening and confirmation by liquid chromatography time-of-flight mass spectrometry with reverse database search.
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- Analytical & Bioanalytical Chemistry, 2012, v. 403, n. 5, p. 1265, doi. 10.1007/s00216-012-5889-7
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- Publication type:
- Article
Current use of high-resolution mass spectrometry in drug screening relevant to clinical and forensic toxicology and doping control.
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- Analytical & Bioanalytical Chemistry, 2012, v. 403, n. 5, p. 1203, doi. 10.1007/s00216-012-5726-z
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- Publication type:
- Article
Specific screening method for dextran and hydroxyethyl starch in human urine by size exclusion chromatography-in-source collision-induced dissociation-time-of-flight mass spectrometry.
- Published in:
- Analytical & Bioanalytical Chemistry, 2011, v. 401, n. 2, p. 563, doi. 10.1007/s00216-011-4838-1
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- Publication type:
- Article
Broad-spectrum drug screening of meconium by liquid chromatography with tandem mass spectrometry and time-of-flight mass spectrometry.
- Published in:
- Analytical & Bioanalytical Chemistry, 2010, v. 398, n. 2, p. 925, doi. 10.1007/s00216-010-3942-y
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- Publication type:
- Article
How do different extracorporeal circulation systems affect metoprolol bioavailability in coronary artery bypass surgery patients.
- Published in:
- European Journal of Clinical Pharmacology, 2018, v. 74, n. 6, p. 785, doi. 10.1007/s00228-018-2437-1
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- Publication type:
- Article
Investigation of buprenorphine‐related deaths using urinary metabolite concentrations.
- Published in:
- Drug Testing & Analysis, 2022, v. 14, n. 10, p. 1696, doi. 10.1002/dta.3347
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- Publication type:
- Article
Determination of buprenorphine, norbuprenorphine, naloxone, and their glucuronides in urine by liquid chromatography–tandem mass spectrometry.
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- Drug Testing & Analysis, 2021, v. 13, n. 9, p. 1658, doi. 10.1002/dta.3104
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- Publication type:
- Article
Increase in drugs‐of‐abuse findings in post‐mortem toxicology due to COVID‐19 restrictions—First observations in Finland.
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- Drug Testing & Analysis, 2021, v. 13, n. 4, p. 867, doi. 10.1002/dta.2982
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- Publication type:
- Article
Summary statistics for drug concentrations in post‐mortem femoral blood representing all causes of death.
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- Drug Testing & Analysis, 2019, v. 11, n. 9, p. 1326, doi. 10.1002/dta.2655
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- Publication type:
- Article
Enzymatic assay for urine lactose in the assessment of recent intravenous abuse of buprenorphine.
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- Drug Testing & Analysis, 2019, v. 11, n. 9, p. 1412, doi. 10.1002/dta.2654
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- Publication type:
- Article
Patterns of drug abuse among drug users with regular and irregular attendance for treatment as detected by comprehensive UHPLC-HR-TOF-MS.
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- Drug Testing & Analysis, 2016, v. 8, n. 1, p. 39, doi. 10.1002/dta.1818
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- Publication type:
- Article
Comparison between drug screening by immunoassay and ultra-high performance liquid chromatography/high-resolution time-of-flight mass spectrometry in post-mortem urine.
- Published in:
- Drug Testing & Analysis, 2015, v. 7, n. 5, p. 420, doi. 10.1002/dta.1683
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- Publication type:
- Article