Olof Beck

Publikationer
Populärvetenskap och samverkan

Artiklar

Journal article: CLINICAL PROTEOMICS. 2025;22(1):18
Multiplex quantification of endocrine proteins in volumetric dried blood spots
Stauch W; Olausson J; Bendes A; Beck O; Schwenk JM
Article: JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS. 2024;243:116075
A multicomponent LC-MS/MS method for drugs of abuse testing using volumetric DBS and a clinical evaluation by comparison with urine
Guterstam J; Tavic C; Barosso M; Beck O
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2024;1240:124142
Validation and application of an automated multitarget LC-MS/MS method for drugs of abuse testing using exhaled breath as specimen
Sinapour H; Guterstam J; Grosse S; Astorga-Wells J; Stambeck P; Stambeck M; Winberg J; Hermansson S; Beck O
Article: DRUG TESTING AND ANALYSIS. 2014;6(5):492-499
Detectability of new psychoactive substances, 'legal highs', in CEDIA, EMIT, and KIMS immunochemical screening assays for drugs of abuse
Beck O; Rausberg L; Al-Saffar Y; Villen T; Karlsson L; Hansson T; Helander A
Article: DRUG TESTING AND ANALYSIS. 2014;6(4):317-324
Direct and efficient liquid chromatographic-tandem mass spectrometric method for opiates in urine drug testing - importance of 6-acetylmorphine and reduction of analytes
Andersson M; Stephanson N; Ohman I; Terzuoli T; Lindh JD; Beck O
Article: ADDICTION. 2014;109(3):440-449
Methylphenidate for attention deficit hyperactivity disorder and drug relapse in criminal offenders with substance dependence: a 24-week randomized placebo-controlled trial
Konstenius M; Jayaram-Lindstroem N; Guterstam J; Beck O; Philips B; Franck J
Article: SCIENCE & JUSTICE. 2014;54(1):57-60
Exhaled breath for drugs of abuse testing - Evaluation in criminal justice settings
Beck O
Article: CLINICAL CHEMISTRY. 2013;59(12):1780-1789
Cannabinoids in Exhaled Breath following Controlled Administration of Smoked Cannabis
Himes SK; Scheidweiler KB; Beck O; Gorelick DA; Desrosiers NA; Huestis MA
Article: EUROPEAN JOURNAL OF CLINICAL PHARMACOLOGY. 2013;69(11):1875-1881
Evaluation of coagulation assays versus LC-MS/MS for determinations of dabigatran concentrations in plasma
Antovic JP; Skeppholm M; Eintrei J; Boija EE; Soderblom L; Norberg E-M; Onelov L; Ronquist-Nii Y; Pohanka A; Beck O; Hjemdahl P; Malmstrom RE
Article: SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION. 2013;73(5):400-406
Identification of novel psychoactive drug use in Sweden based on laboratory analysis - initial experiences from the STRIDA project
Helander A; Beck O; Hagerkvist R; Hulten P
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2013;930:112-120
Multicomponent LC-MS/MS screening method for detection of new psychoactive drugs, legal highs, in urine-Experience from the Swedish population
Al-Saffar Y; Stephanson NN; Beck O
Article: BASIC & CLINICAL PHARMACOLOGY & TOXICOLOGY. 2013;113(1):66-72
Comparable Lumefantrine Oral Bioavailability when Co-administered With Oil-Fortified Maize Porridge or Milk in Healthy Volunteers
Mwebaza N; Jerling M; Gustafsson LL; Obua C; Waako P; Mahindi M; Ntale M; Beck O; Hellgren U
Article: JOURNAL OF BREATH RESEARCH. 2013;7(2):026006
Detection of drugs of abuse in exhaled breath using a device for rapid collection: comparison with plasma, urine and self-reporting in 47 drug users
Beck O; Stephanson N; Sandqvist S; Franck J
Article: EUROPEAN JOURNAL OF CLINICAL PHARMACOLOGY. 2013;69:S25-S32
Therapeutic drug monitoring for tomorrow
Eliasson E; Lindh JD; Malmstrom RE; Beck O; Dahl M-L
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2012;909:6-13
Evaluation of a direct high-capacity target screening approach for urine drug testing using liquid chromatography-time-of-flight mass spectrometry
Saleh A; Stephanson NN; Granelli I; Villen T; Beck O
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 2012;36(9):638-646
Detection of Drugs of Abuse in Exhaled Breath from Users Following Recovery from Intoxication
Beck O; Stephanson N; Sandqvist S; Franck J
Article: IMMUNOPHARMACOLOGY AND IMMUNOTOXICOLOGY. 2012;34(4):679-685
Serotonin and its 5-HT1 receptor in human mastocytosis
Ritter M; El-Nour H; Hedblad M-A; Butterfield JH; Beck O; Stephanson N; Holst M; Giscombe R; Azmitia EC; Nordlind K
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2012;897:42-49
Determination of four immunosuppressive drugs in whole blood using MEPS and LC-MS/MS allowing automated sample work-up and analysis
Said R; Pohanka A; Abdel-Rehim M; Beck O
Article: HIV MEDICINE. 2012;13(4):193-201
Pharmacokinetics of the nonnucleoside reverse transcriptase inhibitor efavirenz among HIV-infected Ugandans
Nanzigu S; Eriksen J; Makumbi F; Lanke S; Mahindi M; Kiguba R; Beck O; Ma Q; Morse GD; Gustafsson LL; Waako P
Article: THERAPEUTIC DRUG MONITORING. 2012;34(2):134-142
Quantification of Tacrolimus and Three Demethylated Metabolites in Human Whole Blood Using LC-ESI-MS/MS
Dubbelboer IR; Pohanka A; Said R; Rosenborg S; Beck O
Article: SUBSTANCE ABUSE TREATMENT PREVENTION AND POLICY. 2012;7:7
Measuring substance use in the club setting: a feasibility study using biochemical markers
Gripenberg-Abdon J; Elgan TH; Wallin E; Shaafati M; Beck O; Andreasson S
Article: JOURNAL OF SEPARATION SCIENCE. 2012;35(3):367-375
Synthesis and bioanalytical evaluation of morphine-3-O-sulfate and morphine-6-O-sulfate in human urine and plasma using LC-MS/MS
Andersson M; Janosik T; Shirani H; Slatt J; Fischer A; Beck O
Article: JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS. 2011;56(5):1024-1028
Demonstration that methadone is being present in the exhaled breath aerosol fraction
Beck O; Sandqvist S; Franck J
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 2011;35(8):541-544
Detection of Δ⁹-Tetrahydrocannabinol in Exhaled Breath Collected from Cannabis Users
Beck O; Sandqvist S; Dubbelboer I; Franck J
Article: CLINICA CHIMICA ACTA. 2011;412(15-16):1428-1435
Method development for routine liquid chromatography-mass spectrometry measurement of the alcohol biomarker phosphatidylethanol (PEth) in blood
Zheng Y; Beck O; Helander A
Article: LAKARTIDNINGEN. 2011;108(24-25):1311-1314
[Creatinine concentration in urine should be measured in drug testing. Guidelines for decision limits and interpretation are necessary--at any rate for legal rights].
Helander A; Ohlson M; Beck O; Hansson T; Kugelberg FC; Kronstrand R
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 2011;35(5):257-263
Study on the Sampling of Methadone from Exhaled Breath
Beck O; Sandqvist S; Boettcher M; Eriksen P; Franck J; Palmskog G
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 2011;35(3):129-133
Determination of Methadone in Exhaled Breath Condensate by Liquid Chromatography-Tandem Mass Spectrometry
Beck O; Sandqvist S; Eriksen P; Franck J; Palmskog G
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2011;879(11-12):815-818
Determination of remifentanil in human plasma by liquid chromatography-tandem mass spectrometry utilizing micro extraction in packed syringe (MEPS) as sample preparation
Said R; Pohanka A; Andersson M; Beck O; Abdel-Rehim M
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2011;879(5-6):326-334
Determination of picropodophyllin and its isomer podophyllotoxin in human serum samples with electrospray ionization of hexylamine adducts by liquid chromatography-tandem mass spectrometry
Ronquist-Nii Y; Eksborg S; Axelson M; Harmenberg J; Beck O
Article: INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS. 2010;36(6):537-541
Effect of ceftobiprole on the normal human intestinal microflora
Backstrom T; Panagiotidis G; Beck O; Asker-Hagelberg C; Rashid M-U; Weintraub A; Nord CE
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2010;878(24):2255-2259
Method for determination of methadone in exhaled breath collected from subjects undergoing methadone maintenance treatment
Beck O; Sandqvist S; Eriksen P; Franck J; Palmskog G
Article: THERAPEUTIC DRUG MONITORING. 2010;32(4):489-496
Acamprosate Determinations in Plasma and Cerebrospinal Fluid After Multiple Dosing Measured by Liquid Chromatography-Mass Spectroscopy: A Pharmacokinetic Study in Healthy Volunteers
Hammarberg A; Beck O; Eksborg S; Jayaram-Lindstrom N; Lindefeldt A; Andersson M; Brundin L; Reid MS; Franck J
Article: RAPID COMMUNICATIONS IN MASS SPECTROMETRY. 2010;24(12):1737-1743
Comparison of analytical approaches for liquid chromatography/mass spectrometry determination of the alcohol biomarker ethyl glucuronide in urine
Helander A; Kenan N; Beck O
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 2010;34(5):233-237
Amphetamines Detected in Exhaled Breath from Drug Addicts: A New Possible Method for Drugs-of-Abuse Testing
Beck O; Leine K; Palmskog G; Franck J
Article: DRUG AND ALCOHOL DEPENDENCE. 2010;108(1-2):130-133
Sustained release methylphenidate for the treatment of ADHD in amphetamine abusers: A pilot study
Konstenius M; Jayaram-Lindstrom N; Beck O; Franck J
Article: JOURNAL OF LIPID RESEARCH. 2010;51(2):318-323
The antifungal drug voriconazole is an efficient inhibitor of brain cholesterol 24S-hydroxylase in vitro and in vivo
Shafaati M; Mast N; Beck O; Nayef R; Heo GY; Bjorkhem-Bergman L; Luetjohann D; Bjorkhem I; Pikuleva IA
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 2009;33(9):604-609
Bioanalytical Investigation of Asarone in Connection with Acorus calamus Oil Intoxications
Bjornstad K; Helander A; Hulten P; Beck O
Article: FORENSIC SCIENCE INTERNATIONAL. 2009;189(1-3):E45-E47
Unreliable alcohol testing in a shipping safety programme
Helander A; Hagelberg CA; Beck O; Petrini B
Article: PSYCHOPHARMACOLOGY. 2009;205(1):53-62
The effects of acamprosate on alcohol-cue reactivity and alcohol priming in dependent patients: a randomized controlled trial
Hammarberg A; Jayaram-Lindstrom N; Beck O; Franck J; Reid MS
Article: CLINICAL TOXICOLOGY. 2009;47(6):566-572
Bioanalytical and clinical evaluation of 103 suspected cases of intoxications with psychoactive plant materials
Bjornstad K; Hulten P; Beck O; Helander A
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2009;877(11-12):1162-1168
A multi-component LC-MS/MS method for detection of ten plant-derived psychoactive substances in urine
Bjoernstad K; Beck O; Helander A
Article: MALARIA JOURNAL. 2009;8:52
Field-adapted sampling of whole blood to determine the levels of amodiaquine and its metabolite in children with uncomplicated malaria treated with amodiaquine plus artesunate combination
Ntale M; Obua C; Mukonzo J; Mahindi M; Gustafsson LL; Beck O; Ogwal-Okeng JW
Article: SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION. 2009;69(8):837-842
Precise determination of glucose-d₂/glucose ratio in human serum and plasma by APCI LC-MS/MS
Ullah S; Wahren J; Beck O
Article: ALCOHOL AND ALCOHOLISM. 2009;44(1):55-61
Detection Times for Urinary Ethyl Glucuronide and Ethyl Sulfate in Heavy Drinkers during Alcohol Detoxification
Helander A; Bottcher M; Fehr C; Dahmen N; Beck O
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2008;876(2):261-265
A field-adapted sampling and HPLC quantification method for lumefantrine and its desbutyl metabolite in whole blood spotted on filter paper
Ntale M; Ogwal-Okeng JW; Mahindi M; Gustafsson LL; Beck O
Article: AMERICAN JOURNAL OF PSYCHIATRY. 2008;165(11):1442-1448
Naltrexone for the Treatment of Amphetamine Dependence: A Randomized, Placebo-Controlled Trial
Jayaram-Lindstrom N; Hammarberg A; Beck O; Franck J
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2008;871(1):101-108
Accurate identification and quantification of 11-nor-Δ⁹-tetrahydrocannabinol-9-carboxylic acid in urine drug testing:: Evaluation of a direct high efficiency liquid chromatographic-mass spectrometric method
Stephanson N; Josefsson M; Kronstrand R; Beck O
Article: NEUROPSYCHOPHARMACOLOGY. 2008;33(8):1856-1863
Naltrexone attenuates the subjective effects of amphetamine in patients with amphetamine dependence
Jayaram-Lindstrom N; Konstenius M; Eksborg S; Beck O; Hammarberg A; Franck J
Article: JOURNAL OF PSYCHOACTIVE DRUGS. 2008;40(2):219-222
Ecstasy analogues found in cacti
Bruhn JG; El-Seedi HR; Stephanson N; Beck O; Shulgin AT
Article: EPILEPSIA. 2008;49(6):1075-1080
Plasma concentrations of lamotrigine and its 2-N-glucuronide metabolite during pregnancy in women with epilepsy
Ohman I; Beck O; Vitols S; Tomson T
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 2008;32(3):227-231
Development and clinical application of an LC-MS-MS method for mescaline in urine
Bjornstad K; Helander A; Beck O
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2008;861(1):22-28
Direct injection LC-MS/MS method for identification and quantification of amphetamine, methamphetamine, 3,4-methylenedioxyamphetamine and 3,4-methylenedioxymethamphetamine in urine drug testing
Andersson M; Gustavsson E; Stephanson N; Beck O
Article: ALCOHOL AND ALCOHOLISM. 2008;43(1):46-48
Evaluation of a new immunoassay for urinary ethyl glucuronide testing
Boettcher M; Beck O; Helander A
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2007;859(1):137-140
A field-adapted HPLC method for determination of amodiaquine and its metabolite in whole blood dried on filter paper
Ntale M; Mahindi M; Ogwal-Okeng JW; Gustafsson LL; Beck O
Article: JOURNAL OF MASS SPECTROMETRY. 2007;42(7):881-889
Validation of direct injection electrospray LC-MS/MS for confirmation of opiates in urine drug testing
Gustavsson E; Andersson M; Stephanson N; Beck O
Article: JOURNAL OF MASS SPECTROMETRY. 2007;42(7):940-949
Alcohol biomarker analysis: simultaneous determination of 5-hydroxytryptophol glucuronide and 5-hydroxyindoleacetic acid by direct injection of urine using ultra-performance liquid chromatography-tandem mass spectrometry
Stephanson N; Helander A; Beck O
Article: ALCOHOL AND ALCOHOLISM. 2007;42(4):321-325
Biomarkers to disclose recent intake of alcohol:: Potential of 5-hydroxytryptophol glucuronide testing using new direct UPLC-tandem MS and ELISA methods
Beck O; Stephanson N; Boettcher M; Dahmen N; Fehr C; Helander A
Article: LIVER TRANSPLANTATION. 2007;13(5):757-761
Urinary ethyl glucuronide testing detects alcohol consumption in alcoholic liver disease patients awaiting liver transplantation
Erim Y; Boettcher M; Dahmen U; Beck O; Broelsch CE; Helander A
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 2007;31(2):81-86
Electrospray LGMS method with solid-phase extraction for accurate determination of morphine-, codeine-, and ethyl morphine-glucuronides and 6-acetylmorphine in urine
Svensson J-O; Andersson M; Gustavsson E; Beck O
Article: JOURNAL OF OPIOID MANAGEMENT. 2007;3(1):27-34
Patterns of illicit drug use and retention in a methadone program: a longitudinal study.
Davstad I; Stenbacka M; Leifman A; Beck O; Korkmaz S; Romelsjö A
Article: DRUG AND ALCOHOL REVIEW. 2007;26(1):55-63
Problem drinking in relation to treatment outcome among opiate addicts in methadone maintenance treatment
Stenbacka M; Beck O; Leifman A; Romelsjo A; Helander A
Article: THERAPEUTIC DRUG MONITORING. 2006;28(5):603-607
Determination of lamotrigine and its metabolites in human plasma by liquid chromatography-mass spectrometry
Beck O; Ohman I; Nordgren HK
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 2006;30(2):73-79
Paradoxical results in urine drug testing for 6-acetyl morphine and total opiates: Implications for best analytical strategy
Beck O; Böttcher M
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 2005;29(8):769-776
Evaluation of buprenorphine CEDIA assay versus GC-MS and ELISA using urine samples from patients in substitution treatment
Böttcher M; Beck O
Article: JOURNAL OF ETHNOPHARMACOLOGY. 2005;101(1-3):238-242
Prehistoric peyote use: Alkaloid analysis and radiocarbon dating of archaeological specimens of Lophophora from Texas
El-Seedi HR; De Smet PAGM; Beck O; Possnert G; Bruhn JG
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 2005;29(4):234-239
Application of direct urine LC-MS-MS analysis for screening of novel substances in drug abusers
Nordgren HK; Holmgren P; Liljeberg P; Eriksson N; Beck O
Article: NEUROTOXICOLOGY AND TERATOLOGY. 2005;27(2):221-229
Marijuana impairs growth in mid-gestation fetuses
Hurd YL; Wang X; Anderson V; Beck O; Minkoff H; Dow-Edwards D
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2005;816(1-2):107-112
Determination of urinary 5-hydroxytryptophol glucuronide by liquid chromatography-mass spectrometry
Stephanson N; Dahl H; Helander A; Beck O
Article: NORDIC JOURNAL OF PSYCHIATRY. 2005;59(3):167-171
An open clinical trial of naltrexone for amphetamine dependence: Compliance and tolerability
Jayaram-Lindström N; Wennberg P; Beck O; Franck J
Article: IMMUNOPHARMACOLOGY AND IMMUNOTOXICOLOGY. 2005;27(1):67-76
Study of innervation, sensory neuropeptides, and serotonin in murine contact allergic skin
El-Nour H; Lundeberg L; Boman A; Beck O; Harvima IT; Theodorsson E; Nordlind K
Article: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2004;805(1):87-91
Determination of perhexiline and hydroxyperhexiline in plasma by liquid chromatography-mass spectrometry
Beck O; Stephanson N; Morris RG; Sallustio BC; Hjemdahl P
Article: ALCOHOL AND ALCOHOLISM. 2004;39(3):251-255
A comparison of two intensities of psychosocial intervention for alcohol dependent patients treated with acamprosate
Hammarberg A; Wennberg P; Beck O; Franck J
Article: ORL-JOURNAL FOR OTO-RHINO-LARYNGOLOGY HEAD AND NECK SURGERY. 2003;65(3):155-161
Comparison of the protective efficacy of Neurotrophins and antioxidants for vibration-induced trauma
Zou J; Bretlau P; Pyykkö I; Toppila E; Olovius NP; Stephanson N; Beck O; Miller JM
Article: ADDICTION. 2003;98(4):463-470
Use of morphine and 6-monoacetylmorphine in blood for the evaluation of possible risk factors for sudden death in 192 heroin users
Fugelstad A; Ahlner J; Brandt L; Ceder G; Eksborg S; Rajs J; Beck O
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 2003;27(1):15-19
Direct screening of urine for MDMA and MDA by liquid chromatography-tandem mass spectrometry
Nordgren HK; Beck O
Article: THERAPEUTIC DRUG MONITORING. 2002;24(5):645-651
Direct quantification of ethyl glucuronide in clinical urine samples by liquid chromatography-mass spectrometry
Stephanson N; Dahl H; Helander A; Beck O
Article: EUROPEAN JOURNAL OF CLINICAL INVESTIGATION. 2002;32(7):507-512
Growth hormone replacement therapy induces codeine clearance
Berglund EG; Johannsson G; Beck O; Bengtsson B; Rane A
Article: THERAPEUTIC DRUG MONITORING. 2002;24(3):410-416
Chromatographic screening for zopiclone and metabolites in urine using liquid chromatography and liquid chromatography-mass spectrometry techniques
Nordgren HK; Bodin K; Beck O
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 2002;26(4):201-204
Comparison of urinary excretion characteristics of ethanol and ethyl glucuronide
Dahl H; Stephanson N; Beck O; Helander A
Article: ANNALS OF CLINICAL BIOCHEMISTRY. 2000;37:199-204
Frontline® immunochromatographic device for on-site urine testing of amphetamines:: laboratory validation using authentic specimens
Beck O; Kraft M; Moeller MR; Smith BL; Schneider S; Wenning R
Article: LAKARTIDNINGEN. 2000;97(7):703-706
[Adulteration of urine drug testing--an exaggerated cause of concern].
Beck O; Bohlin M; Bragd F; Bragd J; Greitz O
Article: THROMBOSIS RESEARCH. 1999;96(6):427-436
Optimization of an enzyme immunoassay for 11-dehydro-thromboxane B₂ in urine: Comparison with GC-MS
Perneby C; Granström E; Beck O; Fitzgerald D; Harhen B; Hjemdahl P
Article: DRUG AND ALCOHOL DEPENDENCE. 1999;56(1):33-38
Comparison of urinary 5-hydroxytryptophol, breath ethanol, and self-report for detection of recent alcohol use during outpatient treatment: a study on methadone patients
Helander A; von Wachenfeldt J; Hiltunen A; Beck O; Liljeberg P; Borg S
Article: PSYCHOPHARMACOLOGY. 1999;143(4):385-393
Rated well being in relation to plasma concentrations of I- and d-methadone in satisfied and dissatisfied patients on methadone maintenance treatment
Hiltunen AJ; Beck O; Hjemdahl P; Liljeberg P; Almström U; Brodin K; von Wachenfeldt J; Borg S
Article: ALCOHOL. 1999;17(1):19-27
The urinary ratio of 5-hydroxytryptophol to 5-hydroxyindole-3-acetic acid in surgical patients with chronic alcohol misuse
Spies CD; Herpell J; Beck O; Müller C; Pragst F; Borg S; Helander A
Article: SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION. 1998;58(6):505-510
On the accurate measurement of serotonin in whole blood
Xiao R; Beck O; Hjemdahl P
Article: CLINICAL SCIENCE. 1998;94(6):663-670
Concentration-dependent stimulation of intestinal phase III of migrating motor complex by circulating serotonin in humans
Lördal M; Wallén H; Hjemdahl P; Beck O; Hellström PM
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 1998;22(2):142-147
Morphine formation from ethylmorphine: Implications for drugs-of-abuse testing in urine
Popa C; Beck O; Brodin K
Article: LAKARTIDNINGEN. 1998;95(5):407-408
[Accreditation should be discussed! Need for substance abuse testing at the workplace should be increased].
Beck O; Hjemdahl P
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 1998;22(1):45-49
Presence of phenylethylamine in hallucinogenic Psilocybe mushroom: Possible role in adverse reactions
Beck O; Helander A; Karlson-Stiber C; Stephansson N
Article: ARCHIVES OF SUICIDE RESEARCH. 1997;3(3):153-169
Natural killer cell activity and CSF monoamine metabolites in suicide attempters
Wasserman D; Hellstrom C; Wasserman J; Beck O; Andersson E; Asberg M
Article: LIFE SCIENCES. 1997;61(5):577-583
Acute interaction between ethanol and serotonin metabolism in the rat
Some M; Beck O; Helander A
Article: ALCOHOL AND ALCOHOLISM. 1997;32(2):133-144
Biochemical, markers of alcohol use and abuse: Experiences from the pilot study of the WHO/ISBRA collaborative project on state and trait markers of alcohol
Helander A; Tabakoff B; Balant L; vonWartburg JP; Salaspuro M; Schuckit M; Monteiro MG; Ogata M; Yamashita I; Saunders JB; Hoffman P; Agarwal DP; Goedde HW; Kiianmaa K; Salmela K; Eriksson CJP; Li TK; Borg S; Beck O; Grant B
Article: CANCER LETTERS. 1996;108(2):163-169
Methotrexate plasma pharmacokinetics: Importance of assay method
Eksborg S; Albertioni F; Rask C; Beck O; Palm C; Schroeder H; Peterson C
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 1996;20(7):573-578
A GC-MS study of three major acidic metabolites of Delta(1)-tetrahydrocannabinol
Szirmai M; Beck O; Stephansson N; Halldin MM
Article: JOURNAL OF ANALYTICAL TOXICOLOGY. 1996;20(7):541-546
Urine and plasma pharmacokinetics of codeine in healthy volunteers: Implications for drugs-of-abuse testing
Lafolie P; Beck O; Lin Z; Albertioni F; Boreus L
Article: NEUROSCIENCE LETTERS. 1996;209(3):165-168
Local administration of morphine decreases the extracellular level of GABA in the periaqueductal gray matter of freely moving rats
Stiller CO; Bergquist J; Beck O; Ekman R; Brodin E
Article: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 1996;40(4):445-451
Rectal administration of morphine in children - Pharmacokinetic evaluation after a single-dose
Lundeberg S; Beck O; Olsson GL; Boreus LO
Article: CLINICAL CHEMISTRY. 1996;42(4):618-624
Laboratory testing for recent alcohol consumption: Comparison of ethanol, methanol, and 5-hydroxytryptophol
Helander A; Beck O; Jones AW
Article: JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS. 1996;14(6):755-758
Liquid chromatographic determination of plasma lamotrigine in pediatric samples
Forssblad E; Eriksson AS; Beck O
Article: CLINICAL CHEMISTRY. 1996;42(1):39-44
Evaluation of clinical assays for measuring high dose methotrexate in plasma
Albertioni F; Rask C; Eksborg S; Poulsen JH; Petterson B; Beck O; Schroeder H; Peterson C
Article: BASIC & CLINICAL PHARMACOLOGY & TOXICOLOGY. 1995;77(5):323-326
CHANGES IN SEROTONIN METABOLISM DURING TREATMENT WITH THE ALDEHYDE DEHYDROGENASE INHIBITORS DISULFIRAM AND CYANAMIDE
BECK O; HELANDER A; CARLSSON S; BORG S
Article: PEDIATRIC NEUROLOGY. 1995;13(2):143-147
FLUNARIZINE OF LIMITED VALUE IN CHILDREN WITH INTRACTABLE EPILEPSY
HOPPU K; NERGARDH AR; ERIKSSON ASE; BECK O; FORSSBLAD E; BOREUS LO
Article: LIFE SCIENCES. 1995;56(18):1529-1534
5-HYDROXYTRYPTOPHOL CONJUGATION IN MAN - INFLUENCE OF ALCOHOL-CONSUMPTION AND ALTERED SEROTONIN TURNOVER
HELANDER A; BECK O; BOYSEN L
Article: JOURNAL OF CHROMATOGRAPHY. B, BIOMEDICAL APPLICATIONS. 1995;665(1):163-170
SIMULTANEOUS QUANTITATION OF METHOTREXATE AND ITS 2 MAIN METABOLITES IN BIOLOGICAL-FLUIDS BY A NOVEL SOLID-PHASE EXTRACTION PROCEDURE USING HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY
ALBERTIONI F; PETTERSSON B; BECK O; RASK C; SEIDEMAN P; PETERSON C
Article: PSYCHOPHARMACOLOGY. 1995;118(2):122-126
SUBJECTIVE AND OBJECTIVE SYMPTOMS IN RELATION TO PLASMA METHADONE CONCENTRATION IN METHADONE PATIENTS
HILTUNEN AJ; LAFOLIE P; MARTEL J; OTTOSSON EC; BOREUS LO; BECK O; BORG S; HJEMDAHL P
Article: EUROPEAN JOURNAL OF CLINICAL PHARMACOLOGY. 1995;47(6):507-511
METHOTREXATE IN JUVENILE RHEUMATOID-ARTHRITIS - EVIDENCE OF AGE-DEPENDENT PHARMACOKINETICS
ALBERTIONI F; FLATO B; SEIDEMAN P; BECK O; VINJE O; PETERSON C; EKSBORG S
Article: JOURNAL OF FORENSIC SCIENCES. 1995;40(1):95-98
DISTINGUISHING INGESTED ETHANOL FROM MICROBIAL FORMATION BY ANALYSIS OF URINARY 5-HYDROXYTRYPTOPHOL AND 5-HYDROXYINDOLEACETIC ACID
HELANDER A; BECK O; JONES AW
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Review: LAKARTIDNINGEN. 2013;110(39-40):1732-1734
[Anabolic androgenic steroids are more common in society than in sports].
Christakopoulos A; Ericsson M; Garle M; Villén T; Beck O
Corrigendum: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES. 2012;889:148
Determination of picropodophyllin and its isomer podophyllotoxin in human serum samples with electrospray ionization of hexylamine adducts by liquid chromatography-tandem mass spectrometry (vol 879, pg 326, 2011)
Ronquist-Nii Y; Eksborg S; Axelson M; Harmenberg J; Ekman S; Bergqvist M; Beck O
Review: LAKARTIDNINGEN. 2011;108(45):2300-2303
[Drugs of abuse testing safer and safer and more complete].
Beck O; Villén T
Published conference paper: JOURNAL OF ANALYTICAL TOXICOLOGY. 2005;29(5):270-274
Ethyl sulfate: A metabolite of ethanol in humans and a potential biomarker of acute alcohol intake
Helander A; Beck O
Meeting abstract: ALCOHOL-CLINICAL AND EXPERIMENTAL RESEARCH. 2004;28(8):48A
A comparison of two intensities of psychosocial intervention for alcohol dependent patients treated with acamprosate.
Hammarberg A; Wennberg P; Beck O; Franck J
Letter: CLINICAL CHEMISTRY. 2004;50(5):936-937
Mass spectrometric identification of ethyl sulfate as an ethanol metabolite in humans
Helander A; Beck O
Published conference paper: THERAPEUTIC DRUG MONITORING. 2004;26(1):90-97
Multicomponent screening for drugs of abuse - Direct analysis of urine by LC-MS-MS
Nordgren HK; Beck O
Published conference paper: ADDICTION. 2003;98:63-72
5-Hydroxytryptophol as a marker for recent alcohol intake
Beck O; Helander A
Review: CLINICAL NEUROPHARMACOLOGY. 2003;26(5):270-276
Pharmacokinetics of dexamphetarnine in acute stroke
Martinsson L; Yang X; Beck O; Wahlgren NG; Eksborg S
Letter: LANCET. 2002;359(9320):1866
Mescaline use for 5700 years
Bruhn JG; De Smet PAGM; El-Seedi HR; Beck O
Other: EUROPEAN JOURNAL OF CLINICAL PHARMACOLOGY. 2000;56(1):103-120
Workplace drug testing (WDT) likely to increase in Europe. Report from the First European Symposium on WDT including selected abstracts.
Dalén P; Beck O; Bergman U; Björklöv P; Finer D; Garle M; Sjöqvist F
Published conference paper: JOURNAL OF ANALYTICAL TOXICOLOGY. 1997;21(7):554-557
The online screening technique for urinary benzodiazepines: Comparison with EMIT, FPIA, and GC-MS
Beck O; Lin Z; Brodin K; Borg S; Hjemdahl P
Published conference paper: JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS. 1995;13(4-5):651-654
DETERMINATION OF 5-HYDROXYTRYPTOPHOL IN URINE BY HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY - APPLICATION OF A NEW POSTCOLUMN DERIVATIZATION METHOD WITH FLUOROMETRIC DETECTION
HELANDER A; LOWENMO C; BECK O
Other: JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS. 1995;13(4-5):719-722
PROCEDURE FOR VERIFICATION OF FLUNITRAZEPAM AND NITRAZEPAM INTAKE BY GAS CHROMATOGRAPHIC-MASS SPECTROMETRIC ANALYSIS OF URINE
LIN Z; BECK O

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