Search Results - "Wennig, R"

Potential problems with the interpretation of hair analysis results by Wennig, R.

“…Due to differences in hair growth rate depending on anatomical region, age, gender, ethnicity and interindividual variability, interpretation of parent drug…”
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Comparison of MTBSTFA and BSTFA in derivatization reactions of polar compounds prior to GC/MS analysis by Schummer, Claude, Delhomme, Olivier, Appenzeller, Brice M.R., Wennig, Robert, Millet, Maurice

“…In this study, MTBSTFA and BSTFA, which are among the preferred derivatization reagents for silylation were both tested on derivatization of six different…”
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Comparison of ethyl glucuronide and fatty acid ethyl ester concentrations in hair of alcoholics, social drinkers and teetotallers by Yegles, M., Labarthe, A., Auwärter, V., Hartwig, S., Vater, H., Wennig, R., Pragst, F.

“…In previous investigations hair analysis for ethyl glucuronide (EtG) and fatty acid ethyl esters (FAEE) proved to be suitable for the detection of excessive…”
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Threshold values in toxicology — useful or not? by Wennig, R.

“…In many fields of toxicology, numbers are used as threshold values, e.g. as “acceptable daily intake values” resulting in maximum permissible concentrations in…”
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Drugs and chronic alcohol abuse in drivers by Appenzeller, Brice M.R., Schneider, Serge, Yegles, Michel, Maul, Armand, Wennig, Robert

“…Blood specimens from 210 drivers (179 male and 31 female) apprehended in Luxembourg from autumn 2001 to spring 2002 and requested for the determination of…”
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Imaging of arsenic traces in human hair by nano-SIMS 50 by Audinot, J.-N., Schneider, S., Yegles, M., Hallegot, P., Wennig, R., Migeon, H.-N.

“…The nano-SIMS 50 allows ion imaging to be performed on microtomed hair cross-sections in order to determine the concentration and to localize the distribution…”
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Influence of bleaching on stability of benzodiazepines in hair by Yegles, M., Marson, Y., Wennig, R.

“…In order to study the influence of hair bleaching on benzodiazepines concentrations, hair was treated with a bleaching product (Poly Blonde, Schwarzkopf &…”
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Determination of Fentanyl in Sweat and Hair of a Patient using Transdermal Patches by Schneider, Serge, Ait-m-bark, Zahra, Schummer, Claude, Lemmer, Patrick, Yegles, Michel, Appenzeller, Brice, Wennig, Robert

“…Fentanyl is a synthetic opioid used to treat intense chronic pain. In this study, the authors report detection and quantification of fentanyl in sweat and hair…”
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Relationship between blood alcohol concentration and carbohydrate-deficient transferrin among drivers by Appenzeller, Brice M.R., Schneider, Serge, Maul, Armand, Wennig, Robert

“…Carbohydrate-deficient transferrin (CDT) was quantified in 408 blood specimens, randomly selected from 1260 drivers apprehended and submitted to blood alcohol…”
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Quantification of Lorazepam and Lormetazepam in Human Breast Milk Using GC-MS in the Negative Chemical Ionization Mode by Lemmer, Patrick, Schneider, Serge, Mühe, Annette, Wennig, Robert

“…Lormetazepam (Loramet® is a benzodiazepine mainly used as an hypnotic to treat insomnia. Lorazepam (Temesta®) is used as an anxiolytic, tranquilizer, sedative,…”
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Cyanide poisoning associated with the feeding of apricot kernels to dairy cattle by Kupper, J., Schuman, M., Wennig, R., Gorber, U., Mittelholzer, A., Artho, R., Meyer, S., Kupferschmidt, H., Naegeli, H.

“…The amygdalin content of the sample, determined by reverse-phase liquid chromatography ( Hwang and others 2002 ), disclosed another 300 (36) mg/kg of hcn…”
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Formation of Scopolamine from N-Butyl-Scopolammonium Bromide in Cigarettes by Frascht, Martine, Schneider, Serge, Schuman, Marc, Wennig, Robert

“…Scopolamine (hyoscine) is a naturally occurring alkaloid found in solonacea, the so-called “night shade” plants. Therapeutic applications of scopolamine are in…”
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Simultaneous determination of drugs of abuse (opiates, cocaine and amphetamine) in human hair by GC/MS and its application to a methadone treatment program by Moeller, M R, Fey, P, Wennig, R

“…A new method was developed for the simultaneous detection and quantitation of 6-acetyl-morphine (MAM), amphetamine, benzoylecgonine (BZE), cocaine, codeine,…”
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γ-Glutamyltranspeptidase-Dependent Metabolism of 4-Hydroxynonenal–Glutathione Conjugate by Enoiu, Milica, Herber, Régine, Wennig, Robert, Marson, Claude, Bodaud, Haline, Leroy, Pierre, Mitrea, Niculina, Siest, Gérard, Wellman, Maria

“…A major pathway for detoxification of the highly reactive lipid peroxidation product, 4-hydroxy-2,3-trans-nonenal (HNE) is through the conjugation with…”
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Incorporation of propyphenazone in beard hair of a migraine patient by Yegles, M., Wennig, R.

“…The incorporation of propyphenazone in beard hair after consumption of this substance present in the analgesic Migraine-Kranit (Codali) was investigated…”
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The Antispasmodic Drug Mebeverine Leads to Positive Amphetamine Results by Fluorescence Polarization Immunoassay (FPIA)—Studies on the Toxicological Analysis of Urine by FPIA and GC-MS by Kraemer, Thomas, Wennig, Robert, Maurer, Hans H.

“…Mebeverine (Duspatal® MB), an antispasmodic drug, is the veratric acid ester of 4-{ethyl-[2-(4-methoxyphenyl)-1-methylethyl] amino}butan-1-ol (MB-OH), which is…”
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Organochlorine Pollutants in Human Hair by Dauberschmidt, Carole, Wennig, Robert

“…Hair is nowadays routinely analyzed for heavy metals and drugs. Only a few attempts however, have been made to analyze other environmental pollutants such as…”
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Detection and quantification of benzodiazepines in hair by ToF-SIMS: preliminary results by Audinot, J.-N., Yegles, M., Labarthe, A., Ruch, D., Wennig, R., Migeon, H.-N.

“…Successful results have been obtained in detection and quantification of buprenorphine in urine and hemolysed blood by time of flight-secondary ion mass…”
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Compliance with cotrimoxazole prophylaxis for the prevention of opportunistic infections in HIV-positive tuberculosis patients in Thyolo district, Malawi by ZACHARIAH, R, HARRIES, A. D, ARENDT, V, WENNIG, R, SCHNEIDER, S, SPIELMANN, M, PANAROTTO, E, GOMANI, P, SALANIPONI, T. F. M

“…OBJECTIVE: To verify compliance with cotrimoxazole prophylaxis in human immunodeficiency virus (HIV) infected tuberculosis (TB) patients during the…”
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Frontline immunochromatographic device for on-site urine testing of amphetamines: laboratory validation using authentic specimens by Beck, O, Kraft, M, Moeller, M R, Smith, B L, Schneider, S, Wennig, R

“…We evaluated a new test device for amphetamines and methamphetamines (Frontline, cut-off limit 300 ng/mL) using authentic clinical and forensic specimens. The…”
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