Enantiomeric determination of tramadol and O-desmethyltramadol by liquid chromatography- mass spectrometry and application to postoperative patients receiving tramadol.

abstract：:Previous measurements of elemental concentrations in liver mitochondria have generally required homogenization and fractionation of liver tissue, a procedure in which it is difficult to rule out ion movement between subcellular units. New techniques involving cryoultramicrotomy of rapidly frozen tissue, high resolutio...

journal_title：Journal of analytical toxicology

authors： Millette JR,Allenspach AL,Clark PJ,McCauley PT,Washington IS

更新日期：1985-07-01 00:00:00

abstract：:This paper presents a case of fatal overdosage due to an accidental massive administration (750 mg instead of 170 mg) of cisplatin, an anticancer agent, to a 63-year-old patient suffering from lymphoma. Platinum was measured in various postmortem samples by means of inductively coupled plasma mass spectrometry. Heart ...

journal_title：Journal of analytical toxicology

authors： Charlier C,Kintz P,Dubois N,Plomteux G

更新日期：2004-03-01 00:00:00

abstract：:Hydrocodone in combination with acetaminophen is commonly used to control moderate pain and is metabolized by cytochrome P4502D6 to form the active metabolite, hydromorphone. The purpose of this study was to determine the metabolic relationship and variability between hydrocodone and its conversion to hydromorphone us...

journal_title：Journal of analytical toxicology

authors： Barakat NH,Atayee RS,Best BM,Pesce AJ

更新日期：2012-05-01 00:00:00

abstract：:A case of lethal overdose by heroin ingestion is presented. The concentrations of drugs were measured several hours after death. Heroin, 06-monoacetylmorphine, and morphine were identified and quantitated in blood, urine, and gastrointestinal contents by gas chromatography-mass spectrometry and high-performance liquid...

journal_title：Journal of analytical toxicology

authors： Rop PP,Fornaris M,Salmon T,Burle J,Bresson M

更新日期：1997-05-01 00:00:00

abstract：:Selegiline (SE) is a selective, irreversible monoamine oxidase-B inhibitor, used for reducing symptoms in early-stage Parkinson's disease. The metabolites of SE include l-methamphetamine, l-amphetamine and desmethylselegiline (DSE). The stereoisomers of SE metabolites, d-methamphetamine and d-amphetamine are highly ad...

journal_title：Journal of analytical toxicology

authors： Shin I,Choi H,Kang S,Kim J,Park Y,Yang W

更新日期：2020-05-30 00:00:00

abstract：:cis(Z)-Clopenthixol and trans(E)-clopenthixol were determined by gas chromatography-mass spectrometry and high-performance liquid chromatography-diode-array detection in necropic samples from a postmortem case. The peripheral blood concentrations of cis(Z)-clopenthixol and trans(E)-clopenthixol were 278 and 177 ng/mL,...

journal_title：Journal of analytical toxicology

authors： Rop PP

更新日期：2001-07-01 00:00:00

abstract：:At the end of 2010, the U.S. Drug Enforcement Administration (DEA) used its emergency scheduling authority to temporarily control five chemicals, JWH-018, JWH-073, JWH-200, CP-47497, and cannabicyclohexanol (CP-47497 C8), often referred to as "Spice", K2, or "synthetic cannabinoids" because of their reported cannabis-...

journal_title：Journal of analytical toxicology

authors： Coulter C,Garnier M,Moore C

更新日期：2011-09-01 00:00:00

abstract：:Estimating the equivalent whole blood ethanol level from a serum or plasma determination has been addressed by numerous articles in both the clinical and forensic literature. All previous studies have either involved sample sizes insufficient for adequate statistical evaluation or have utilized gas chromatography for ...

journal_title：Journal of analytical toxicology

authors： Barnhill MT Jr,Herbert D,Wells DJ Jr

更新日期：2007-01-01 00:00:00

abstract：:A method that measures 12 analytes in urine and reflects possible exposure to pesticides was developed. The sample preparation involves enzyme hydrolysis and solvent extraction through the use of laboratory robotics, followed by phase-transfer catalysis derivatization and silica cleanup. Samples are analyzed by capill...

journal_title：Journal of analytical toxicology

authors： Hill RH Jr,Shealy DB,Head SL,Williams CC,Bailey SL,Gregg M,Baker SE,Needham LL

更新日期：1995-09-01 00:00:00

abstract：:Storage of drug-based evidence inside sealed safes may allow chemical vapors to accumulate, creating concerns of drug exposure by inhalation, or the possibility of cross-contamination of drug evidence. Air samples were taken from inside eight drug safes and one small storage room at nine city and country police statio...

journal_title：Journal of analytical toxicology

authors： Doran GS,Deans R,De Filippis C,Kostakis C,Howitt JA

更新日期：2018-06-01 00:00:00

abstract：:A rapid, specific and quantitative high-performance liquid chromatography assay procedure is described for the determination of ICI 125, 211, (I), a guanidino-thiazole H2-receptor antagonist, in small samples of animal plasma. A 0.2 mL aliquot of plasma is extracted at pH 9 with ethyl acetate. After reconstitution in ...

journal_title：Journal of analytical toxicology

authors： Monson K,Simon RK,Malbica JO

更新日期：1980-09-01 00:00:00

abstract：:Ethiofencarb is one of the carbamate compounds, which are, in general, less toxic than organophosphorus insecticides. This is due to their reversible acetylcholinesterase inhibition and relative inability to cross the blood-brain barrier. Generally, ethiofencarb is regarded to be of low toxicity (LD(50) > 200 mg/kg); ...

journal_title：Journal of analytical toxicology

authors： Al-Samarraie MS,Karinen R,Rognum T,Hasvold I,Opdal Stokke M,Christophersen AS

更新日期：2009-09-01 00:00:00

abstract：:A fatal case attributed to flecainide intoxication is presented. Quantitation was by capillary gas chromatography with nitrogen-phosphorus detection. The flecainide concentration in the blood was 13 mg/L as compared to a therapeutic range in serum of 0.2-1.0 mg/L. Flecainide concentrations in other specimens were as f...

journal_title：Journal of analytical toxicology

authors： Levine B,Chute D,Caplan YH

更新日期：1990-09-01 00:00:00

abstract：:The percent recovery of mercury from human hair digest samples, using the peak height cold-vapor atomic adsorption method is 73.0% +/- 10.3%. This value and its reproducibility are raised to 102.2% +/- 6.3% by use of peak area measurements in place of peak height. The so-called matrix effect is thus eliminated, and it...

journal_title：Journal of analytical toxicology

authors： Wigfield DC,Croteau SM,Perkins SL

更新日期：1981-01-01 00:00:00

abstract：:Although many deaths occur annually from heroin intoxication, the presence of heroin has not been reported in postmortem tissues. Recognizing heroin's susceptibility to rapid chemical and metabolic hydrolysis, extraction procedures were developed for the efficient recovery of heroin, 6-acetylmorphine, and morphine fro...

journal_title：Journal of analytical toxicology

authors： Goldberger BA,Cone EJ,Grant TM,Caplan YH,Levine BS,Smialek JE

更新日期：1994-01-01 00:00:00

abstract：:1-(4-Methylphenyl)-2-pyrrolidin-1-ylhexan-1-one (4'-methyl-alpha-pyrrolidinohexanophenone, MPHP) is a new designer drug that appeared on the illicit drug market. It is mainly metabolized to 4'-hydroxymethyl-alpha-pyrrolidinohexanophenone (HO-MPHP) followed by oxidation to the respective carboxylic acid. For studies on...

journal_title：Journal of analytical toxicology

authors： Peters FT,Dragan CA,Kauffels A,Schwaninger AE,Zapp J,Bureik M,Maurer HH

更新日期：2009-05-01 00:00:00

abstract：:In clinical and forensic toxicology, general unknown screening is used to detect and identify exogenous compounds. In this study, we aimed to develop a fast (15 min) comprehensive screening method for 500 toxicologically relevant analytes based on ultra-performance liquid chromatography (UPLC) coupled with a quadrupol...

journal_title：Journal of analytical toxicology

authors： Humbert L,Grisel F,Richeval C,Lhermitte M

更新日期：2010-11-01 00:00:00

abstract：:Results of urine drug analyses for three racing greyhounds that tested positive for caffeine in this laboratory were contested by the animal trainer, who asserted that positives were achieved from deliberate chocolate feeding by a rival kennel. The metabolism and excretion of methylxanthines was examined by high-perfo...

journal_title：Journal of analytical toxicology

authors： Wells DJ,Hanks BM,Yarbrough CS,Davis MA

更新日期：1988-01-01 00:00:00

abstract：:Nicotine is the major addictive compound in tobacco and is responsible for tobacco dependence. It is primarily metabolized to cotinine (COT) and trans-3'-hydroxycotinine (3HC) by the liver enzyme cytochrome P-450 2A6 (CYP2A6). The 3HC/COT ratio measured in the saliva of smokers is highly correlated with the intrinsic ...

journal_title：Journal of analytical toxicology

authors： Lea RA,Dickson S,Benowitz NL

更新日期：2006-07-01 00:00:00

abstract：:The abuse of the designer amphetamines such as 3,4-methylenedioxymethamphetamine (MDMA) is increasing throughout the world. They have become popular drugs at all night techno dance parties, and their detection is an important issue. The objective of the presented study was to identify an unknown compound detected by t...

journal_title：Journal of analytical toxicology

authors： Maresova V,Hampl J,Chundela Z,Zrcek F,Polasek M,Chadt J

更新日期：2005-07-01 00:00:00

abstract：:A method utilizing microwave dissolution in a closed Teflon bomb followed by hydride generation atomic absorption spectrometry has been used for the routine analysis of arsenic in fish species from the coast of the province of Granada, Spain. The technique was evaluated for decomposing biological standard reference ma...

journal_title：Journal of analytical toxicology

authors： Navarro M,López H,López MC,Sánchez M

更新日期：1992-05-01 00:00:00

abstract：:Vitreous humor is a fluid contained in the eye that is largely composed of water. The advantages of vitreous humor as a specimen for postmortem drug analysis include its relatively low susceptibility to contamination and the ability to analyze vitreous humor with little or no pretreatment. The postmortem analysis of e...

journal_title：Journal of analytical toxicology

authors： Cox D,Jufer Phipps RA,Levine B,Jacobs A,Fowler D

更新日期：2007-10-01 00:00:00

abstract：:A blood concentration of tetrahydrocannabinol (THC) in the low nanograms-per-milliliter range is often claimed to result from drug use more than 24-48 h previously. The present investigation determined concentrations of cannabinoids in blood collected at least 24 h from smoking in an in-patient setting. During samplin...

journal_title：Journal of analytical toxicology

authors： Skopp G,Pötsch L

更新日期：2008-03-01 00:00:00

abstract：:Oxymorphone, a semi-synthetic opioid analgesic, has been available as Numorphan since the 1950s in the form of injectable solutions and a suppository. Recently, in 2006, oxymorphone was approved by the Federal Drug Administration for use in the form of immediate and extended release tablets under the trade name Opana....

journal_title：Journal of analytical toxicology

authors： Garside D,Hargrove RL,Winecker RE

更新日期：2009-04-01 00:00:00

abstract：:A comparison was made of several cannabinoid urine assays. Two hundred randomly selected urine specimens were initially screened by two enzyme immunoassays (EMIT-st and EMIT-d.a.u.) and a radioimmunoassay (Abuscreen RIA). Selected specimens found positive by any of these methods were further analyzed by gas-liquid chr...

journal_title：Journal of analytical toxicology

authors： Irving J,Leeb B,Foltz RL,Cook CE,Bursey JT,Willette RE

更新日期：1984-07-01 00:00:00

abstract：:We described a simple procedure for the flash heater methylation of valproic acid and cyclohexylacetic acid (internal standard) by gas-liquid chromatography (GLC). A small volume (100 microL) of sample is acidified with 10% perchloric acid and extracted into hexane. An aliquot is back extracted into 5% tetramethylammo...

journal_title：Journal of analytical toxicology

authors： Calendrillo BA,Reynoso G

更新日期：1980-11-01 00:00:00

abstract：:Gas chromatography-mass spectrometry (GC-MS), which combines the separation power of GC with the power of MS for the identification of unknown compounds, possesses high potential in systematic toxicological analysis (STA). Different factors, however, do not allow this potential to be fully exploited. Between them, the...

journal_title：Journal of analytical toxicology

authors： Polettini A

更新日期：1996-11-01 00:00:00

abstract：:Buprenorphine, which is used in France as a substitution drug for opioid addiction, is widely abused, and several fatal cases have been reported. In order to confirm a recent intoxication or to establish retrospectively chronic abuse, a simple and reliable gas chromatographic-mass spectrometric method was developed an...

journal_title：Journal of analytical toxicology

authors： Vincent F,Bessard J,Vacheron J,Mallaret M,Bessard G

更新日期：1999-07-01 00:00:00

abstract：:An analytical method for determining exposure to 2,2'-dichlorodiethyl sulfide (sulfur mustard, HD) has been enhanced. The method is based on the cleavage of adducted HD (protein-hydroxyethylthioethyl esters) to produce thiodiglycol. Following cleavage, a deuterated internal standard is added, and the analytes are extr...

journal_title：Journal of analytical toxicology

authors： Lawrence RJ,Smith JR,Boyd BL,Capacio BR

更新日期：2008-01-01 00:00:00

abstract：:Postmortem femoral blood concentrations of the antipsychotic drugs aripiprazole, chlorprothixene and its metabolite, and quetiapine were determined by LC-MS-MS in 25 cases for aripiprazole and 60 cases each for chlorprothixene and quetiapine. For cases where the cause of death was not related to the considered drugs, ...

journal_title：Journal of analytical toxicology

authors： Skov L,Johansen SS,Linnet K

更新日期：2015-01-01 00:00:00