Search Results - "MOELLER, Manfred R"

High-Potency Marijuana Impairs Executive Function and Inhibitory Motor Control by Ramaekers, Johannes G, Kauert, Gerhold, van Ruitenbeek, Peter, Theunissen, Eef L, Schneider, Erhard, Moeller, Manfred R

“…Human performance studies have usually relied on low-potency marijuana (4% THC) for determining THC-induced impairment. The present study was designed to…”
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Specific attentional dysfunction in adults following early start of cannabis use by EHRENREICH, H, RINN, T, KUNERT, H. J, MOELLER, M. R, POSER, W, SCHILLING, L, GIGERENZER, G, HOEHE, M. R

“…The present study tested the hypothesis that chronic interference by cannabis with endogenous cannabinoid systems during peripubertal development causes…”
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Tolerance and cross-tolerance to neurocognitive effects of THC and alcohol in heavy cannabis users by Ramaekers, Johannes G., Theunissen, Eef L., de Brouwer, Marjolein, Toennes, Stefan W., Moeller, Manfred R., Kauert, Gerhold

“…Introduction Previous research has shown that heavy cannabis users develop tolerance to the impairing effects of Δ9-tetrahydrocannabinol (THC) on…”
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Neurophysiological functioning of occasional and heavy cannabis users during THC intoxication by Theunissen, Eef L., Kauert, Gerold F., Toennes, Stefan W., Moeller, Manfred R., Sambeth, Anke, Blanchard, Mathieu M., Ramaekers, Johannes G.

“…Rationale Experienced cannabis users demonstrate tolerance to some of the impairing acute effects of cannabis. Objectives The present study investigates…”
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Relationship Between Oral Fluid and Blood Concentrations of Drugs of Abuse in Drivers Suspected of Driving Under the Influence of Drugs by WILLE, Sarah M. R, RAES, Elke, LILLSUNDE, Pirjo, GUNNAR, Teemu, LALOUP, Marleen, SAMYN, Nele, CHRISTOPHERSEN, Asbjorg S, MOELLER, Manfred R, HAMMER, Karin P, VERSTRAETE, Alain G

“…In recent years, the interest in the use of oral fluid as a biological matrix has increased significantly, particularly for detecting driving under the…”
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Driving under the influence of drugs — evaluation of analytical data of drugs in oral fluid, serum and urine, and correlation with impairment symptoms by Toennes, Stefan W., Kauert, Gerold F., Steinmeyer, Stefan, Moeller, Manfred R.

“…A study was performed to acquire urine, serum and oral fluid samples in cases of suspected driving under the influence of drugs of abuse. Oral fluid was…”
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Comparison of Cannabinoid Pharmacokinetic Properties in Occasional and Heavy Users Smoking a Marijuana or Placebo Joint by Toennes, Stefan W., Ramaekers, Johannes G., Theunissen, Eef L., Moeller, Manfred R., Kauert, Gerold F.

“…Cannabinoid pharmacokinetics in occasional users is well studied, but the interpretation of data from heavy users is difficult. In the present study, blood…”
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Influence of ethanol on cannabinoid pharmacokinetic parameters in chronic users by Toennes, Stefan W, Schneider, Kirsten, Kauert, Gerold F, Wunder, Cora, Moeller, Manfred R, Theunissen, Eef L, Ramaekers, Johannes G

“…Cannabis is not only the most widely used illicit drug worldwide but is also regularly consumed along with ethanol. In previous studies, it was assumed that…”
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Drugs of abuse monitoring in blood for control of driving under the influence of drugs by Moeller, Manfred R, Kraemer, Thomas

“…Driving under the influence of drugs is an issue of growing concern in the industrialized countries as a risk and a cause for road accidents. In forensic…”
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Screening for Drugs of Abuse in Oral Fluid—Correlation of Analysis Results with Serum in Forensic Cases by Toennes, Stefan W., Steinmeyer, Stefan, Maurer, Hans-Jürgen, Moeller, Manfred R., Kauert, Gerold F.

“…The testing of saliva or oral fluid at the roadside could be a powerful tool to detect drivers under the influence of drugs and has several advantages over…”
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Influence of Ethanol on the Pharmacokinetic Properties of Δ9-Tetrahydrocannabinol in Oral Fluid by Toennes, Stefan W., Schneider, Kirsten, Wunder, Cora, Kauert, Gerold F., Moeller, Manfred R., Theunissen, Eef L., Ramaekers, Johannes G.

“…Oral fluid (OF) tests aid in identifying drivers under the influence of drugs. In this study, 17 heavy cannabis users consumed alcohol to achieve steady blood…”
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Poppy seed consumption and toxicological analysis of blood and urine samples by Moeller, Manfred R, Hammer, Karin, Engel, Oliver

“…Poppy seeds contain morphine in different amounts. Reported concentrations are up to 294 mg morphine/kg poppy seeds. Since penalties based on Street Traffic…”
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Up in Smoke: Comparability of THC Dosing across Performance Studies by Ramaekers, Johannes G, Kauert, Gerold, Theunissen, Eef L, Moeller, Manfred R

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Improved and validated method for the determination of Delta(9)-tetrahydrocannabinol (THC), 11-hydroxy-THC and 11-nor-9-carboxy-THC in serum, and in human liver microsomal preparations using gas chromatography-mass spectrometry by Steinmeyer, Stefan, Bregel, Dietmar, Warth, Stefan, Kraemer, Thomas, Moeller, Manfred R

“…A validated method for the quantification of Delta(9)-tetrahydrocannabinol (THC) and its main metabolites 11-hydroxy-tetrahydrocannabinol (OH-THC) and…”
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Pharmacokinetic Properties of Δ9-Tetrahydrocannabinol in Oral Fluid of Occasional and Chronic Users by Toennes, Stefan W., Ramaekers, Johannes G., Theunissen, Eef L., Moeller, Manfred R., Kauert, Gerold F.

“…Saliva is of continuing interest in detecting the influence of drugs while driving. Commercial tests are currently available where cannabis detectability is a…”
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Pharmacokinetic Properties of Δ9-Tetrahydrocannabinol in Serum and Oral Fluid by Kauert, Gerold F., Ramaekers, Johannes G., Schneider, Erhard, Moeller, Manfred R., Toennes, Stefan W.

“…In a study on the effects of smoked cannabis (18.2 ± 2.8 mg as low and 36.5 ± 5.6 mg as high dose) paired blood and oral fluid samples were collected from 10…”
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Biochemical approach on the conservation of drug molecules during hair fiber formation by Pötsch, Lucia, Skopp, Gisela, Moeller, Manfred R.

“…A biochemical concept for the endogenous incorporation of drug molecules into growing hair is presented. It is based on the principles of transport across…”
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On pathways for small molecules into and out of human hair fibers by Pötsch, L, Moeller, M R

“…This paper represents an experimental approach of histology of the human hair fiber in dyeing and diffusion phenomena and its contribution to the…”
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Determination of drugs of abuse in blood by Moeller, Manfred R, Steinmeyer, Stefan, Kraemer, Thomas

“…The detection and quantitation of drugs of abuse in blood is of growing interest in forensic and clinical toxicology. With the development of highly sensitive…”
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Influence of Ethanol on the Pharmacokinetic Properties of Delta D9-Tetrahydrocannabinol in Oral Fluid by Toennes, Stefan W, Schneider, Kirsten, Wunder, Cora, Kauert, Gerold F, Moeller, Manfred R, Theunissen, Eef L, Ramaekers, Johannes G

“…Oral fluid (OF) tests aid in identifying drivers under the influence of drugs. In this study, 17 heavy cannabis users consumed alcohol to achieve steady blood…”
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