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Fritz Pragst

Research Profile

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TOP 3
Johannes Schräder; Michael Rothe; Fritz Pragst
Ethyl glucuronide concentrations in beard hair after a single alcohol dose: evidence for incorporation in hair root.
Sebastian Broecker; Fritz Pragst
Isomerization of cannabidiol and Δ9-tetrahydrocannabinol during positive electrospray ionization. In-source hydrogen/deuterium exchange experiments by flow injection hybrid quadrupole-time-of-flight mass spectrometry.
Sebastian Broecker; Sieglinde Herre; Fritz Pragst
General unknown screening in hair by liquid chromatography-hybrid quadrupole time-of-flight mass spectrometry (LC-QTOF-MS).

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All Publications

2012: Johannes Schräder; Michael Rothe; Fritz Pragst
Ethyl glucuronide concentrations in beard hair after a single alcohol dose: evidence for incorporation in hair root.
International journal of legal medicine 2012;126(5):791-9.
2012: Sebastian Broecker; Fritz Pragst
Isomerization of cannabidiol and Δ9-tetrahydrocannabinol during positive electrospray ionization. In-source hydrogen/deuterium exchange experiments by flow injection hybrid quadrupole-time-of-flight mass spectrometry.
Rapid communications in mass spectrometry : RCM 2012;26(12):1407-14.
2012: Sebastian Broecker; Sieglinde Herre; Fritz Pragst
General unknown screening in hair by liquid chromatography-hybrid quadrupole time-of-flight mass spectrometry (LC-QTOF-MS).
Forensic science international 2012;218(1-3):68-81.
2012: S Suesse; A Elian; M Hastedt; T Mieczkowski; Fritz Pragst; M Rothe; H Sachs; C M Selavka; J Campbell
Practical experiences in application of hair fatty acid ethyl esters and ethyl glucuronide for detection of chronic alcohol abuse in forensic cases.
Forensic science international 2012;218(1-3):82-91.
2012: Fritz Pragst
Interpretation problems in a forensic case of abstinence determination using alcohol markers in hair.
Forensic science international 2012;217(1-3):e4-7.
2012: F Kork; Fritz Pragst; S Broecker; R Kleinwächter; Edith Weiss-Gerlach; K-D Wernecke; C Spies
Oral fluid testing for illicit substance use in preanaesthetic care.
The Journal of international medical research 2012;40(1):194-203.
2011: Sebastian Broecker; Sieglinde Herre; Fritz Pragst; Abdulsallam Bakdash; Michael Tsokos
Combined use of liquid chromatography-hybrid quadrupole time-of-flight mass spectrometry (LC-QTOF-MS) and high performance liquid chromatography with photodiode array detector (HPLC-DAD) in systematic toxicological analysis.
Forensic science international 2011;212(1-3):215-26.
2011: Sebastian Broecker; Sieglinde Herre; Bernhard Wüst; Jerry Zweigenbaum; Fritz Pragst
Development and practical application of a library of CID accurate mass spectra of more than 2,500 toxic compounds for systematic toxicological analysis by LC-QTOF-MS with data-dependent acquisition.
Analytical and bioanalytical chemistry 2011;400(1):101-17.
2010: Fritz Pragst; Hans Sachs; Pascal Kintz
Hair analysis for cocaine continues to be a valuable tool in forensic and clinical toxicology.
Journal of analytical toxicology 2010;34(6):354-5; author reply 355-6.
2010: Abdulsallam Bakdash; Pascal Burger; Tamme W Goecke; Peter A Fasching; Udo Reulbach; Stefan Bleich; Martin Hastedt; Michael Rothe; Matthias W Beckmann; Fritz Pragst; Johannes Kornhuber
Quantification of fatty acid ethyl esters (FAEE) and ethyl glucuronide (EtG) in meconium from newborns for detection of alcohol abuse in a maternal health evaluation study.
Analytical and bioanalytical chemistry 2010;396(7):2469-77.
2010: Thomas Nadulski; Simona Bleeck; Johannes Schräder; Wolf-Rainer Bork; Fritz Pragst
11-nor-Delta9-tetrahydrocannabinol-9-carboxylic acid ethyl ester (THC-COOEt): unsuccessful search for a marker of combined cannabis and alcohol consumption.
Forensic science international 2010;196(1-3):78-84.
2010: Fritz Pragst; M Rothe; B Moench; M Hastedt; Sieglinde Herre; D Simmert
Combined use of fatty acid ethyl esters and ethyl glucuronide in hair for diagnosis of alcohol abuse: interpretation and advantages.
Forensic science international 2010;196(1-3):101-10.
2010: Silke Süsse; Carl M Selavka; Tom Mieczkowski; Fritz Pragst
Fatty acid ethyl ester concentrations in hair and self-reported alcohol consumption in 644 cases from different origin.
Forensic science international 2010;196(1-3):111-7.
2010: Ronald Agius; Thomas Nadulski; Hans-Gerhard Kahl; Johannes Schräder; Bertin Dufaux; Michel Yegles; Fritz Pragst
Validation of a headspace solid-phase microextraction-GC-MS/MS for the determination of ethyl glucuronide in hair according to forensic guidelines.
Forensic science international 2010;196(1-3):3-9.
2010: Paul Marques; Scott Tippetts; John Allen; Martin A Javors; Christer Alling; Michel Yegles; Fritz Pragst; Friedrich Martin Wurst
Estimating driver risk using alcohol biomarkers, interlock blood alcohol concentration tests and psychometric assessments: initial descriptives.
Addiction (Abingdon, England) 2010;105(2):226-39.
2009: Andreas Schmeling; Tony Fracasso; Fritz Pragst; Michael Tsokos; Ingo Wirth
Unassisted smothering in a pillow.
International journal of legal medicine 2009;123(6):517-9.
2009: Vivian Kulaga; Fritz Pragst; Netta Fulga; Gideon Koren
Hair analysis of fatty acid ethyl esters in the detection of excessive drinking in the context of fetal alcohol spectrum disorders.
Therapeutic drug monitoring 2009;31(2):261-6.
2008: Ingrid Rundshagen; J Mast; N Mueller; Fritz Pragst; Claudia Spies; K Cortina
Nervus medianus evoked potentials and bispectral index during repeated transitions from consciousness to unconsciousness.
British journal of anaesthesia 2008;101(3):366-73.
2008: Frank Wiens; Annette Zitzmann; Marc-André Lachance; Michel Yegles; Fritz Pragst; Friedrich M Wurst; Dietrich von Holst; Saw Leng Guan; Rainer Spanagel
Chronic intake of fermented floral nectar by wild treeshrews.
Proceedings of the National Academy of Sciences of the United States of America 2008;105(30):10426-31.
2008: Henrik H Hansen; Birte Krutz; Marco Sifringer; Vanya Stefovska; Petra Bittigau; Fritz Pragst; Giovanni Marsicano; Beat Lutz; Chrysanthy Ikonomidou
Cannabinoids enhance susceptibility of immature brain to ethanol neurotoxicity.
Annals of neurology 2008;64(1):42-52.
2008: Friedrich Martin Wurst; Michel Yegles; Christer Alling; Steina Aradottir; Jutta Dierkes; Gerhard A Wiesbeck; Claudia C Halter; Fritz Pragst; Volker Auwaerter
Measurement of direct ethanol metabolites in a case of a former driving under the influence (DUI) of alcohol offender, now claiming abstinence.
International journal of legal medicine 2008;122(3):235-9.
2008: Fritz Pragst; Michel Yegles
Determination of fatty acid ethyl esters (FAEE) and ethyl glucuronide (EtG) in hair: a promising way for retrospective detection of alcohol abuse during pregnancy?
Therapeutic drug monitoring 2008;30(2):255-63.
2008: Friedrich Martin Wurst; Erika Kelso; Wolfgang Weinmann; Fritz Pragst; Michel Yegles; Inger Sundström-Poromaa
Measurement of direct ethanol metabolites suggests higher rate of alcohol use among pregnant women than found with the AUDIT--a pilot study in a population-based sample of Swedish women.
American journal of obstetrics and gynecology 2008;198(4):407.e1-5.
2007: Ingo Wirth; Andreas Correns; Fritz Pragst; Andreas Schmeling
[Fatal MDMA-intoxication with postmortem diagnosis of hyperthermia].
Archiv für Kriminologie 2007;220(5-6):141-51.
2007: Ingrid Rundshagen; T Hardt; K Cortina; Fritz Pragst; T Fritzsche; Claudia Spies
Narcotrend-assisted propofol/remifentanil anaesthesia vs clinical practice: does it make a difference?
British journal of anaesthesia 2007;99(5):686-93.
2007: Fritz Pragst; Andreas Correns; Friedrich Priem; Sieglinde Herre; Hubert Martin
A sudden death with lung embolism after inadvertent infusion of zinc oxide shake lotion.
Forensic science international 2007;170(2-3):207-12.
2007: Fritz Pragst
Application of solid-phase microextraction in analytical toxicology.
Analytical and bioanalytical chemistry 2007;388(7):1393-414.
2007: I Dressler; T Fritzsche; K Cortina; Fritz Pragst; Claudia Spies; Ingrid Rundshagen
Psychomotor dysfunction after remifentanil/propofol anaesthesia.
European journal of anaesthesiology 2007;24(4):347-54.
2007: Thomas Nadulski; Fritz Pragst
Simple and sensitive determination of Delta(9)-tetrahydrocannabinol, cannabidiol and cannabinol in hair by combined silylation, headspace solid phase microextraction and gas chromatography-mass spectrometry.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2007;846(1-2):78-85.
2006: Fritz Pragst; Sieglinde Herre; Abdulsallam Bakdash
Poisonings with diphenhydramine--a survey of 68 clinical and 55 death cases.
Forensic science international 2006;161(2-3):189-97.
2006: Fritz Pragst; Marie A Balikova
State of the art in hair analysis for detection of drug and alcohol abuse.
Clinica chimica acta; international journal of clinical chemistry 2006;370(1-2):17-49.
2006: Hans Proquitté; Ariane Kusztrich; Volker Auwärter; Fritz Pragst; Roland R Wauer; Gerd Schmalisch
Functional residual capacity measurement by heptafluoropropane in ventilated newborn lungs: in vitro and in vivo validation.
Critical care medicine 2006;34(6):1789-95.
2006: Careen Merckel; Fritz Pragst; Astrid Ratzinger; Beat Aebi; Werner Bernhard; Frank Sporkert
Application of headspace solid phase microextraction to qualitative and quantitative analysis of tobacco additives in cigarettes.
Journal of chromatography. A 2006;1116(1-2):10-9.
2005: Thomas Nadulski; Fritz Pragst; Gordon Weinberg; Patrik Roser; Martin Schnelle; Eva-Maria Fronk; Andreas M Stadelmann
Randomized, double-blind, placebo-controlled study about the effects of cannabidiol (CBD) on the pharmacokinetics of Delta9-tetrahydrocannabinol (THC) after oral application of THC verses standardized cannabis extract.
Therapeutic drug monitoring 2005;27(6):799-810.
2005: Thomas Nadulski; Frank Sporkert; Martin Schnelle; Andreas M Stadelmann; Patrik Roser; Tom Schefter; Fritz Pragst
Simultaneous and sensitive analysis of THC, 11-OH-THC, THC-COOH, CBD, and CBN by GC-MS in plasma after oral application of small doses of THC and cannabis extract.
Journal of analytical toxicology 2005;29(8):782-9.
2005: Volker Auwärter; Hans Proquitté; Gerd Schmalisch; Roland R Wauer; Fritz Pragst
Determination of 1,1,1,2,3,3,3-heptafluoropropane (HFP) in blood by headspace gas chromatography-mass spectrometry.
Journal of analytical toxicology 2005;29(6):574-6.
2005: Friedrich Martin Wurst; Boris Tabakoff; Christer Alling; Steina Aradottir; Gerhard A Wiesbeck; Franz Müller-Spahn; Fritz Pragst; Bankole Johnson; Martin A Javors; Nassima Ait-Daoud; Gregory E Skipper; Claudia Spies; Yvonne Nachbar; Otto M Lesch; Katrin Ramskogler; Susanne Hartmann; Manfred Wolfersdorf; Sebastian Dresen; Wolfgang Weinmann; Lisa Hines; Alan Kaiser; Ru-Band Lu; Huei-Chen Ko; San-Yuang Huang; Tso-Jen Wang; Yi-Syuan Wu; John Whitfield; Larry D Snell; Christine Wu; Paula L Hoffman
World Health Organization/International Society for Biomedical Research on Alcoholism study on state and trait markers of alcohol use and dependence: back to the future.
Alcoholism, clinical and experimental research 2005;29(7):1268-75.
2005: Friedrich Martin Wurst; Christer Alling; Steina Aradottir; Fritz Pragst; John P Allen; Wolfgang Weinmann; Philippe Marmillot; Pradeep Ghosh; Raj Lakshman; Gregory E Skipper; Tim Neumann; Claudia Spies; Martin A Javors; Bankole A Johnson; Nassima Ait-Daoud; Fatema Akhtar; John D Roache; Raye Litten
Emerging biomarkers: new directions and clinical applications.
Alcoholism, clinical and experimental research 2005;29(3):465-73.
2004: Michel Yegles; A Labarthe; Volker Auwärter; Sven Hartwig; H Vater; Robert Wennig; Fritz Pragst
Comparison of ethyl glucuronide and fatty acid ethyl ester concentrations in hair of alcoholics, social drinkers and teetotallers.
Forensic science international 2004;145(2-3):167-73.
2004: Volker Auwärter; B Kiessling; Fritz Pragst
Squalene in hair--a natural reference substance for the improved interpretation of fatty acid ethyl ester concentrations with respect to alcohol misuse.
Forensic science international 2004;145(2-3):149-59.
2004: Volker Auwärter; Fritz Pragst; Hansjürg Strauch
Analytical investigations in a death case by suffocation in an argon atmosphere.
Forensic science international 2004;143(2-3):169-75.
2004: Fritz Pragst; Volker Auwärter; B Kiessling; C Dyes
Wipe-test and patch-test for alcohol misuse based on the concentration ratio of fatty acid ethyl esters and squalene CFAEE/CSQ in skin surface lipids.
Forensic science international 2004;143(2-3):77-86.
2004: Claudia D Spies; Vera von Dossow; Verena Eggers; Gesine Jetschmann; Ratiba El-Hilali; Julia Egert; Marc Fischer; Torsten Schröder; Conny Höflich; Pranav Sinha; Christian Paschen; Parwis Mir-Salim; Ralf Brunsch; Jürgen Hopf; Christian Marks; Klaus-Dieter Wernecke; Fritz Pragst; Hannelore Ehrenreich; Christian Müller; Hanne Tønnesen; Wolfgang Oelkers; Wolfgang Rohde; Christoph Stein; Wolfgang J Kox
Altered cell-mediated immunity and increased postoperative infection rate in long-term alcoholic patients.
Anesthesiology 2004;100(5):1088-100.
2004: Fritz Pragst; Matthias Herzler; Björn-Thoralf Erxleben
Systematic toxicological analysis by high-performance liquid chromatography with diode array detection (HPLC-DAD).
Clinical chemistry and laboratory medicine : CCLM / FESCC 2004;42(11):1325-40.
2004: Friedrich Martin Wurst; Stefan Alexson; Manfred Wolfersdorf; Gaby Bechtel; Stephan Forster; Christer Alling; Steina Aradóttir; Katja Jachau; Peter Huber; John P Allen; Volker Auwärter; Fritz Pragst
Concentration of fatty acid ethyl esters in hair of alcoholics: comparison to other biological state markers and self reported-ethanol intake.
Alcohol and alcoholism (Oxford, Oxfordshire) 2004;39(1):33-8.
2003: Matthias Herzler; Sieglinde Herre; Fritz Pragst
Selectivity of substance identification by HPLC-DAD in toxicological analysis using a UV spectra library of 2682 compounds.
Journal of analytical toxicology 2003;27(4):233-42.
2003: Frank Sporkert; Fritz Pragst; Rainer Bachus; Florian Masuhr; Lutz Harms
Determination of cathinone, cathine and norephedrine in hair of Yemenite khat chewers.
Forensic science international 2003;133(1-2):39-46.
2003: Sven Hartwig; Volker Auwärter; Fritz Pragst
Fatty Acid ethyl esters in scalp, pubic, axillary, beard and body hair as markers for alcohol misuse.
Alcohol and alcoholism (Oxford, Oxfordshire) 2003;38(2):163-7.
2003: Sven Hartwig; Volker Auwärter; Fritz Pragst
Effect of hair care and hair cosmetics on the concentrations of fatty acid ethyl esters in hair as markers of chronically elevated alcohol consumption.
Forensic science international 2003;131(2-3):90-7.
2002: Verena Eggers; Joke Tio; Tim Neumann; Fritz Pragst; Christian Müller; Lutz G Schmidt; Wolfgang J Kox; Claudia D Spies
Blood alcohol concentration for monitoring ethanol treatment to prevent alcohol withdrawal in the intensive care unit.
Intensive care medicine 2002;28(10):1475-82.
2002: Christoph J Ploner; Andrea Tschirch; Florian Ostendorf; Sandra Dick; Bertrand Gaymard; Sophie Rivaud-Péchoux; Frank Sporkert; Fritz Pragst; Andreas M Stadelmann
Oculomotor effects of delta-9-tetrahydrocannabinol in humans: implications for the functional neuroanatomy of the brain cannabinoid system.
Cerebral cortex (New York, N.Y. : 1991) 2002;12(10):1016-23.
2002: Frank Sporkert; Fritz Pragst; Sandra Hübner; Graham Mills
Headspace solid-phase microextraction with 1-pyrenyldiazomethane on-fibre derivatisation for analysis of fluoroacetic acid in biological samples.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2002;772(1):45-51.
2001: Volker Auwärter; Frank Sporkert; Sven Hartwig; Fritz Pragst; H Vater; A Diefenbacher
Fatty acid ethyl esters in hair as markers of alcohol consumption. Segmental hair analysis of alcoholics, social drinkers, and teetotalers.
Clinical chemistry 2001;47(12):2114-23.
2001: Fritz Pragst; V Auwaerter; Frank Sporkert; K Spiegel
Analysis of fatty acid ethyl esters in hair as possible markers of chronically elevated alcohol consumption by headspace solid-phase microextraction (HS-SPME) and gas chromatography-mass spectrometry (GC-MS).
Forensic science international 2001;121(1-2):76-88.
2000: Frank Sporkert; Fritz Pragst
Determination of methadone and its metabolites EDDP and EMDP in human hair by headspace solid-phase microextraction and gas chromatography-mass spectrometry.
Journal of chromatography. B, Biomedical sciences and applications 2000;746(2):255-64.
2000: Frank Sporkert; Fritz Pragst
Determination of lidocaine in hair of drug fatalities by headspace solid-phase microextraction.
Journal of analytical toxicology 2000;24(5):316-22.
2000: Fritz Pragst; K Spiegel; Frank Sporkert; M Bohnenkamp
Are there possibilities for the detection of chronically elevated alcohol consumption by hair analysis? A report about the state of investigation.
Forensic science international 2000;107(1-3):201-23.
2000: Frank Sporkert; Fritz Pragst
Use of headspace solid-phase microextraction (HS-SPME) in hair analysis for organic compounds.
Forensic science international 2000;107(1-3):129-48.
1999: Fritz Pragst; K Spiegel; U Leuschner; A Hager
Detection of 6-acetylmorphine in vitreous humor and cerebrospinal fluid--comparison with urinary analysis for proving heroin administration in opiate fatalities.
Journal of analytical toxicology 1999;23(3):168-72.
1999: Claudia D Spies; J Herpell; Olof Beck; C Müller; Fritz Pragst; Stefan Borg; Anders Helander
The urinary ratio of 5-hydroxytryptophol to 5-hydroxyindole-3-acetic acid in surgical patients with chronic alcohol misuse.
Alcohol (Fayetteville, N.Y.) 1999;17(1):19-27.
1998: Claudia D Spies; M Kissner; T Neumann; S Blum; C Voigt; Th Funk; Norbert Runkel; Fritz Pragst
Elevated carbohydrate-deficient transferrin predicts prolonged intensive care unit stay in traumatized men.
Alcohol and alcoholism (Oxford, Oxfordshire) 1998;33(6):661-9.
1997: M Rothe; Fritz Pragst; K Spiegel; T Harrach; K Fischer; J Kunkel
Hair concentrations and self-reported abuse history of 20 amphetamine and ecstasy users.
Forensic science international 1997;89(1-2):111-28.
1997: Sieglinde Herre; Fritz Pragst
Shift of the high-performance liquid chromatographic retention times of metabolites in relation to the original drug on an RP8 column with acidic mobile phase.
Journal of chromatography. B, Biomedical sciences and applications 1997;692(1):111-26.
1997: Fritz Pragst; M Rothe; J Hunger; S Thor
Structural and concentration effects on the deposition of tricyclic antidepressants in human hair.
Forensic science international 1997;84(1-3):225-36.
1997: M Rothe; Fritz Pragst; S Thor; J Hunger
Effect of pigmentation on the drug deposition in hair of grey-haired subjects.
Forensic science international 1997;84(1-3):53-60.
1995: M Rothe; Fritz Pragst
Solvent optimization for the direct extraction of opiates from hair samples.
Journal of analytical toxicology 1995;19(4):236-40.
1991: Fritz Pragst; S Leo
[Smoking trials with mercury contaminated cigarettes. Studies of attempted poisoning].
Archiv für Kriminologie 1991;188(3-4):77-86.