Robert Wennig

Summary

Affiliation: University of Luxembourg
Country: Luxembourg

Publications

  1. doi request reprint Back to the roots of modern analytical toxicology: Jean Servais Stas and the Bocarmé murder case
    Robert Wennig
    Laboratoire National de Santé Toxicologie, Université du Luxembourg, Luxembourg
    Drug Test Anal 1:153-5. 2009
  2. doi request reprint GC/MS based identification of skunk spray maliciously deployed as "biological weapon" to harm civilians
    Robert Wennig
    Laboratoire National de Santé, Toxicologie, Université du Luxembourg, 162A Avenue de la Faïencerie, L 1511 Luxembourg, Luxembourg
    J Chromatogr B Analyt Technol Biomed Life Sci 878:1433-6. 2010
  3. ncbi request reprint Ethyl glucuronide concentration in hair is not influenced by pigmentation
    Brice M R Appenzeller
    Laboratoire de Toxicologie, Centre de Recherche Public Santé Laboratoire National de Santé, Université du Luxembourg, Campus Limpertsberg, 162A, avenue de la Faiencerie, L 1511 Luxembourg
    Alcohol Alcohol 42:326-7. 2007
  4. doi request reprint Ethyl glucuronide determination: head hair versus non-head hair
    Isabelle Kerekes
    Laboratoire National de Santé Toxicologie, Université du Luxembourg, Luxembourg
    Alcohol Alcohol 44:62-6. 2009
  5. ncbi request reprint Segmental determination of ethyl glucuronide in hair: a pilot study
    Brice M R Appenzeller
    Centre de Recherche Public Santé Laboratoire National de Santé, Laboratoire de Toxicologie, Université du Luxembourg, Campus Limpertsberg, 162A, avenue de la Faiencerie, L 1511 Luxembourg
    Forensic Sci Int 173:87-92. 2007
  6. doi request reprint Efavirenz in human breast milk, mothers', and newborns' plasma
    Serge Schneider
    Laboratoire National de la Santé, Division de Toxicologie, Université du Luxembourg, Luxembourg, Luxembourg
    J Acquir Immune Defic Syndr 48:450-4. 2008
  7. ncbi request reprint Time-resolved hair analysis of MDMA enantiomers by GC/MS-NCI
    Liliane Ferreira Martins
    National Laboratory of Health, Toxicology Division, University of Luxembourg, Luxembourg, Luxembourg
    Forensic Sci Int 172:150-5. 2007
  8. ncbi request reprint Influence of bleaching on the enantiomeric disposition of amphetamine-type stimulants in hair
    Liliane Ferreira Martins
    National Laboratory of Health, Toxicology Division, University of Luxembourg, 162A Avenue de la Faïencerie, L 1511, Luxembourg
    Forensic Sci Int 176:38-41. 2008
  9. ncbi request reprint Determination of fentanyl in sweat and hair of a patient using transdermal patches
    Serge Schneider
    Laboratoire National de Santé, Division de Toxicologie, Université du Luxembourg, 162A, avenue de la Faiencerie, L 1511 Luxembourg
    J Anal Toxicol 32:260-4. 2008
  10. doi request reprint Time resolved analysis of risperidone and 9-hydroxy-risperidone in hair using LC/MS-MS
    Serge Schneider
    Laboratoire National de Santé, Division de Toxicologie, Université du Luxembourg, 162A, avenue de la Faiencerie, L 1511 Luxembourg, Luxembourg
    J Chromatogr B Analyt Technol Biomed Life Sci 877:2589-92. 2009

Collaborators

Detail Information

Publications20

  1. doi request reprint Back to the roots of modern analytical toxicology: Jean Servais Stas and the Bocarmé murder case
    Robert Wennig
    Laboratoire National de Santé Toxicologie, Université du Luxembourg, Luxembourg
    Drug Test Anal 1:153-5. 2009
    ..During court trial this identification was challenged by his mentor M. J. B. Orfila from Paris, who had stated 3 years before, that it would never be possible to isolate and identify organic poisons from organ tissues...
  2. doi request reprint GC/MS based identification of skunk spray maliciously deployed as "biological weapon" to harm civilians
    Robert Wennig
    Laboratoire National de Santé, Toxicologie, Université du Luxembourg, 162A Avenue de la Faïencerie, L 1511 Luxembourg, Luxembourg
    J Chromatogr B Analyt Technol Biomed Life Sci 878:1433-6. 2010
    ..No health sequels were observed for any of the persons implicated in this case...
  3. ncbi request reprint Ethyl glucuronide concentration in hair is not influenced by pigmentation
    Brice M R Appenzeller
    Laboratoire de Toxicologie, Centre de Recherche Public Santé Laboratoire National de Santé, Université du Luxembourg, Campus Limpertsberg, 162A, avenue de la Faiencerie, L 1511 Luxembourg
    Alcohol Alcohol 42:326-7. 2007
    ..The results confirm that, unlike many other substances, the EtG determination in hair has not to take into account the hair colour for the correct interpretation of hair testing results...
  4. doi request reprint Ethyl glucuronide determination: head hair versus non-head hair
    Isabelle Kerekes
    Laboratoire National de Santé Toxicologie, Université du Luxembourg, Luxembourg
    Alcohol Alcohol 44:62-6. 2009
    ..As in some cases scalp hair is not available, the analysis of hair from alternative anatomical sites becomes of interest...
  5. ncbi request reprint Segmental determination of ethyl glucuronide in hair: a pilot study
    Brice M R Appenzeller
    Centre de Recherche Public Santé Laboratoire National de Santé, Laboratoire de Toxicologie, Université du Luxembourg, Campus Limpertsberg, 162A, avenue de la Faiencerie, L 1511 Luxembourg
    Forensic Sci Int 173:87-92. 2007
    ..Variations in the EtG concentrations with respect to hair segments may provide an overview of the drinking history of patients. Moreover, EtG concentration in hair may help to estimate the daily alcohol intake...
  6. doi request reprint Efavirenz in human breast milk, mothers', and newborns' plasma
    Serge Schneider
    Laboratoire National de la Santé, Division de Toxicologie, Université du Luxembourg, Luxembourg, Luxembourg
    J Acquir Immune Defic Syndr 48:450-4. 2008
    ..The EFV concentrations in maternal plasma, breast milk and in newborns' plasma of 13 women and their children between 6 weeks and 6 months post partum are reported...
  7. ncbi request reprint Time-resolved hair analysis of MDMA enantiomers by GC/MS-NCI
    Liliane Ferreira Martins
    National Laboratory of Health, Toxicology Division, University of Luxembourg, Luxembourg, Luxembourg
    Forensic Sci Int 172:150-5. 2007
    ..Furthermore, both enantiomers of amphetamine (AM) were also detected in hair segments of four volunteers and the R/S ratios ranged from 1.00 to 1.47...
  8. ncbi request reprint Influence of bleaching on the enantiomeric disposition of amphetamine-type stimulants in hair
    Liliane Ferreira Martins
    National Laboratory of Health, Toxicology Division, University of Luxembourg, 162A Avenue de la Faïencerie, L 1511, Luxembourg
    Forensic Sci Int 176:38-41. 2008
    ..Our findings pointed out that bleaching treatments decrease concentrations of STA in hair without influencing their enantiomeric ratios...
  9. ncbi request reprint Determination of fentanyl in sweat and hair of a patient using transdermal patches
    Serge Schneider
    Laboratoire National de Santé, Division de Toxicologie, Université du Luxembourg, 162A, avenue de la Faiencerie, L 1511 Luxembourg
    J Anal Toxicol 32:260-4. 2008
    ..Fentanyl concentrations in sweat varied from 0.17 to 1.02 ng/microL, and time-resolved segmented hair analysis showed a maximum fentanyl concentration of 0.48 ng/mg of hair during the period of the therapy...
  10. doi request reprint Time resolved analysis of risperidone and 9-hydroxy-risperidone in hair using LC/MS-MS
    Serge Schneider
    Laboratoire National de Santé, Division de Toxicologie, Université du Luxembourg, 162A, avenue de la Faiencerie, L 1511 Luxembourg, Luxembourg
    J Chromatogr B Analyt Technol Biomed Life Sci 877:2589-92. 2009
    ..These preliminary results indicate a better relationship between the administered dose and hair concentration for 9-OH-RSP than for the parent drug. Furthermore, the RSP/9-OH-RSP ratio varied from 1 to 83...
  11. doi request reprint Was a child poisoned by ethanol? Discrimination between ante-mortem consumption and post-mortem formation
    Brice M R Appenzeller
    Laboratoire de Toxicologie, Centre de Recherche Public Santé Laboratoire National de Santé, Université du Luxembourg, Campus Limpertsberg, 162A, avenue de la Faiencerie, 1511, Luxembourg, Luxembourg
    Int J Legal Med 122:429-34. 2008
    ..The absence of EtG in the liver of the deceased compared to the high level (19.56 mug/g) detected in the positive control's liver is a further indication that the ethanol detected in the body of the deceased is of post-mortem origin...
  12. doi request reprint Determination of hydroxylated metabolites of polycyclic aromatic hydrocarbons in human hair by gas chromatography-negative chemical ionization mass spectrometry
    Claude Schummer
    Laboratoire de Toxicologie, CRP Sante, Université du Luxembourg, Campus Limpertsberg, 1511 Luxembourg, Luxembourg
    J Chromatogr A 1216:6012-9. 2009
    ..According to the easiness of hair sampling and based on the extended detection windows provided by hair analysis, this method is proposed as a new promising tool for the assessment of human chronic exposure to PAHs...
  13. doi request reprint Internet suicide guidelines: report of a life-threatening poisoning using tobacco extract
    Serge Schneider
    Laboratoire National de Santé, Division de Toxicologie, Université du Luxembourg, Luxembourg
    J Emerg Med 38:610-3. 2010
    ..Severe nicotine intoxication occurred in a patient after ingestion of a tobacco extract made from a recipe found on a freely available Internet site...
  14. ncbi request reprint Sensitive, rapid and validated gas chromatography/negative ion chemical ionization-mass spectrometry assay including derivatisation with a novel chiral agent for the enantioselective quantification of amphetamine-type stimulants in hair
    Liliane Ferreira Martins
    National Laboratory of Health, Toxicology Division, University of Luxembourg, 162A Avenue de la Faïencerie, L 1511 Luxembourg, Luxembourg
    J Chromatogr B Analyt Technol Biomed Life Sci 842:98-105. 2006
    ..One hair specimen was tested positive for both enantiomers of MDMA and MDA...
  15. ncbi request reprint Drugs and chronic alcohol abuse in drivers
    Brice M R Appenzeller
    Centre de Recherche Public, Santé Laboratoire National de Santé, Division de Toxicologie, Université du Luxembourg, Campus Limpertsberg, 162A Avenue de la Faïencerie, L 1511 Luxembourg, Luxembourg
    Forensic Sci Int 155:83-90. 2005
    ..Medicinal psychoactive drugs were clearly associated with poly-drug use, and were furthermore detected at supra-therapeutic levels in 34.9%...
  16. ncbi request reprint Quantification of lorazepam and lormetazepam in human breast milk using GC-MS in the negative chemical ionization mode
    Patrick Lemmer
    Laboratoire National de Santé, Division de Toxicologie, Université de Luxembourg, 162A, avenue de la Faiencerie, L 1511 Luxembourg
    J Anal Toxicol 31:224-6. 2007
    ..100 ng/mL for lorazepam. Our method was applied to real case samples from a woman receiving both benzodiazepines. Lorazepam concentrations varied from 55.3 to 123.1 ng/mL, and lormetazepam concentrations varied from 1.7 to 7.3 ng/mL...
  17. ncbi request reprint Simultaneous enantioselective quantification of methadone and of 2-ethylidene-1,5-dimethyl-3,3-diphenyl-pyrrolidine in oral fluid using capillary electrophoresis
    Liliane F Martins
    National Laboratory of Health, Toxicology Division, University of Luxembourg, 162A, avenue de la Faiencerie, L 1511 Luxembourg, Luxembourg
    J Chromatogr B Analyt Technol Biomed Life Sci 862:79-85. 2008
    ..Our data pointed out that higher concentrations of (R)-MTD and the enantioselective excess of (S)-EDDP in OF may reflect the free fraction of MTD and EDDP enantiomers in plasma...
  18. ncbi request reprint Altered distribution of transferrin isoforms according to serum storage conditions
    Brice M R Appenzeller
    Centre de Recherche Public Santé, Laboratoire National de Santé, Toxicologie, Université du Luxembourg
    Clin Chem 51:2159-62. 2005
  19. ncbi request reprint Determination of nevirapine and efavirenz in plasma using GC/MS in selected ion monitoring mode
    Patrick Lemmer
    Laboratoire National de Santé, Division de Toxicologie, Luxembourg
    Ther Drug Monit 27:521-5. 2005
    ..The method was applied to the determination of nvp and efv in plasma specimens of 73 patients in HIV stage III or IV and on antiretroviral treatment in Kigali, Rwanda...
  20. ncbi request reprint Determination of the volume of sweat accumulated in a sweat-patch using sodium and potassium as internal reference
    Brice M R Appenzeller
    Laboratoire de Toxicologie, Centre de Recherche Public Santé Laboratoire National de Santé Université du Luxembourg, Campus Limpertsberg, 162A Avenue de la Faïencerie, L 1511 Luxembourg
    J Chromatogr B Analyt Technol Biomed Life Sci 852:333-7. 2007
    ..0%. Results demonstrated the usefulness of sodium as internal standard to determine the volume of sweat accumulated in a patch, and confirm the suitability of PharmChek patch for the collection and determination of cations in sweat...