High-resolution proton nuclear magnetic resonance spectroscopy in the detection of low molecular weight volatiles.

abstract：:Four kinds of volatile anesthetics (halothane, enflurane, isoflurane, and sevoflurane) that were dissolved in 3 microL of experimental plasma samples were examined by the pulse-heating gas chromatographic-mass spectrometric method, and this approach was found to be reliable for qualitative and quantitative analysis. T...

journal_title：Journal of analytical toxicology

authors： Saito K,Takayasu T,Nishigami J,Kondo T,Ohtsuji M,Lin Z,Ohshima T

更新日期：1995-03-01 00:00:00

abstract：:Pigmented (C57BI) and nonpigmented (balb/c) mice, 25 days of age, were treated intraperitoneally with [3H]-nicotine (4 mg/kg, 555 dpm/ng) or [3H]-flunitrazepam (1 mg/kg, 2200 dpm/ng) daily for three days. After 21 days, shaved back hair was digested at 37 degrees C for 24 h with either 1 M sodium hydroxide or 1 M sodi...

journal_title：Journal of analytical toxicology

authors： Claffey DJ,Stout PR,Ruth JA

更新日期：2000-01-01 00:00:00

abstract：:Two cases of overdose due to ingestion of trazodone are described. In one case, blood collected several hours following ingestion of an estimated 4 or more grams contained a trazodone concentration of 25.7 mg/L. Recovery was uneventful. The second case did not survive and death was attributed to the ingestion of multi...

journal_title：Journal of analytical toxicology

authors： Root I,Ohlson GB

更新日期：1984-03-01 00:00:00

abstract：:A sensitive and robust ultra-high-performance liquid chromatography-tandem mass spectrometry method has been developed and validated for the quantification of acetaminophen, dexchlorpheniramine, caffeine, cotinine and salicylic acid in postmortem blood samples from children younger than 4 years. The sample was prepare...

journal_title：Journal of analytical toxicology

authors： Krpo M,Arnestad M,Karinen R

更新日期：2018-03-01 00:00:00

abstract：:A variety of chemical agents were evaluated to determine their effects on fluorescence polarization immunoassays for drugs of abuse. Sixteen different agents, at concentrations up to 10%, were tested against urine assays for cannabinoids, cocaine (metabolite), amphetamines, opiates, phencyclidine (PCP), and barbiturat...

journal_title：Journal of analytical toxicology

authors： Schwarzhoff R,Cody JT

更新日期：1993-01-01 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：:Amoxicillin has been causally linked in the lay and medical literature to false-positive urine drug screens for cocaine metabolites. An exhaustive search of the peer-reviewed medical literature revealed no data to support this link. We hypothesized that amoxicillin does not cause false-positive urine drug screens for ...

journal_title：Journal of analytical toxicology

authors： Reisfield GM,Haddad J,Wilson GR,Johannsen LM,Voorhees KL,Chronister CW,Goldberger BA,Peele JD,Bertholf RL

更新日期：2008-05-01 00:00:00

abstract：:In an effort to determine a practical, efficient, and economical alternative for the use of a radioimmunoassay (RIA) for the detection of lysergic acid diethylamide (LSD) in human urine, the performance of two photometric immunoassays (Dade Behring EMIT II and Microgenics CEDIA) and the Diagnostics Products Corp. (DPC...

journal_title：Journal of analytical toxicology

authors： Wiegand RF,Klette KL,Stout PR,Gehlhausen JM

更新日期：2002-10-01 00:00:00

abstract：:This study shows a simple, rapid, and specific method for the quantitative determination of cyanide ion in body fluids, especially blood, by fluorimetry. It is based upon the transformation of cyanide ion into hydrocyanic acid, which then reacts with 2,3-naphthalenedialdehyde and taurine in a self-contained system. Th...

journal_title：Journal of analytical toxicology

authors： Felscher D,Wulfmeyer M

更新日期：1998-09-01 00:00:00

abstract：:Cyclizine is an antihistamine with sedative effect used to treat motion sickness. A few studies have reported on cyclizine abuse among teenagers, and cyclizine abuse has been reported among opioid dependants receiving methadone, with the combination having been reported to produce strong psychoactive effects. Few repo...

journal_title：Journal of analytical toxicology

authors： Arnestad M,Eldor KB,Stray-Pedersen A,Bachs L,Karinen R

更新日期：2014-03-01 00:00:00

abstract：:Screening for emerging drugs of abuse, specifically synthetic cathinones and synthetic cannabinoids, is difficult for high-throughput laboratories as immunoassay kits are often unavailable. Consequently, most laboratories employ liquid chromatography-tandem mass spectrometry (LC-MS-MS) screening, which can be complex ...

journal_title：Journal of analytical toxicology

authors： Neifeld JR,Regester LE,Holler JM,Vorce SP,Magluilo J Jr,Ramos G,Bosy TZ

更新日期：2016-06-01 00:00:00

abstract：:The present study evaluates the suitability of headspace gas chromatography (GC) with a capillary column as a method for determining the ethanol content in different biological fluids. This procedure allows the use of headspace GC not only as a reference method but also in routine diagnostics and monitoring work. The ...

journal_title：Journal of analytical toxicology

authors： Macchia T,Mancinelli R,Gentili S,Lugaresi EC,Raponi A,Taggi F

更新日期：1995-07-01 00:00:00

abstract：:A colchicine blood concentration 250 microgram/L was determined in a 39-year-old white female 2 hours following the ingestion of an oral overdose of the drug. At death, 40 hours following ingestion, no drug was detected. Colchicine was extracted from buffered blood using dichloromethane. The evaporated extract was red...

journal_title：Journal of analytical toxicology

authors： Caplan YH,Orloff KG,Thompson BC

更新日期：1980-05-01 00:00:00

abstract：:A simple isocratic HPLC procedure for the analysis of cocaine in plasma, with or without an internal standard, is described for the first time. Basified plasma was extracted in ether, re-extracted in acetic acid, which was subsequently basified prior to the final extraction in n-hexane. The hexane extract was evaporat...

journal_title：Journal of analytical toxicology

authors： Masoud AN,Krupski DM

更新日期：1980-11-01 00:00:00

abstract：:Quetiapine fumarate (Seroquel) is a dibenzothiazepine psychotropic agent that was introduced in 1997 for treating psychoses. Quetiapine is being found with increasing frequency in postmortem cases in Virginia. We report the postmortem results and histories of 20 quetiapine cases from the Office of the Chief Medical Ex...

journal_title：Journal of analytical toxicology

authors： Flammia DD,Valouch T,Venuti S

更新日期：2006-05-01 00:00:00

abstract：:A liquid chromatography-tandem mass spectrometry method was developed for the simultaneous quantification of 26 benzodiazepines and metabolites, zolpidem and zopiclone, in blood, urine, and hair. Drugs were extracted from all matrices by liquid-liquid extraction with 1-chlorobutane. Chromatography was achieved using a...

journal_title：Journal of analytical toxicology

authors： Laloup M,Ramirez Fernandez Mdel M,De Boeck G,Wood M,Maes V,Samyn N

更新日期：2005-10-01 00:00:00

abstract：:Human urine was tested for tricyclic antidepressants with fluorescence polarization immunoassay (FPIA) reagents on Abbott's ADx system and with EIA reagents on Syva's ETS system. A 75-ng/mL imipramine calibrator cutoff was used with the ADx system and a 300-ng/mL nortriptyline calibrator cutoff with the ETS system. Th...

journal_title：Journal of analytical toxicology

authors： Meenan GM,Barlotta S,Lehrer M

更新日期：1990-09-01 00:00:00

abstract：:A forensic standard procedure is described that combines enzyme-linked immunoassay for screening and gas chromatography-mass spectrometry (GC-MS) for confirmation to detect drugs of abuse in a sample before used to detect opioids and cocaine. We used two equal aliquots of the same previously selected cannabinoid posit...

journal_title：Journal of analytical toxicology

authors： Tassoni G,Cippitelli M,Ottaviani G,Froldi R,Cingolani M

更新日期：2016-07-01 00:00:00

abstract：:Synthetic cannabinoids are a group of compounds that are structurally diverse and are commonly found in various herbal incense and potpourri blends, which are sold in convenience stores, smoke shops and over the Internet. During the past few years, multiple state and federal legislations have been enacted controlling ...

journal_title：Journal of analytical toxicology

authors： Shanks KG,Behonick GS,Dahn T,Terrell A

更新日期：2013-10-01 00:00:00

abstract：:An ultra-performance liquid chromatography-tandem mass spectrometry method was developed and validated for the quantification of 25 common pharmaceuticals in whole blood. The selected pharmaceuticals represent the most frequently detected drugs in our forensic laboratory with basic properties such as analgesics, antid...

journal_title：Journal of analytical toxicology

authors： Nielsen MK,Johansen SS

更新日期：2012-09-01 00:00:00

abstract：:A sensitive liquid chromatography-tandem mass spectrometry method was developed and validated for the quantitation of oxymorphone (OM) in human whole blood and liver. Sample preparation was done by solid-phase extraction, using deuterated OM as the internal standard. Separation was achieved using a Waters Aquity UPLC ...

journal_title：Journal of analytical toxicology

authors： Crum ED,Bailey KM,Richards-Waugh LL,Clay DJ,Gebhardt MA,Kraner JC

更新日期：2013-10-01 00:00:00

abstract：:A high performance liquid chromatographic method is described for the simultaneous quantitation of four commonly prescribed antiarrhythmic drugs: lidocaine, mexiletine, disopyramide, and quinidine. An isocratic system using a reverse phase column was used to separate these compounds. Coefficients of variation were les...

journal_title：Journal of analytical toxicology

authors： Dusci LJ,Hackett LP

更新日期：1985-03-01 00:00:00

abstract：:This study of 20,089 urine specimens from chronic pain patients provided a unique opportunity to evaluate the prevalence of prescription opiates and metabolites, assess the usefulness of inclusion of normetabolites in the test panel, and compare opiate and oxycodone screening results to liquid chromatography with tand...

journal_title：Journal of analytical toxicology

authors： Heltsley R,Zichterman A,Black DL,Cawthon B,Robert T,Moser F,Caplan YH,Cone EJ

更新日期：2010-01-01 00:00:00

abstract：:Functional magnetic resonance imaging (fMRI), a still-emerging, non-invasive neuroimaging tool, has been applied to a wide range of questions in sensory, motor control, and cognitive psychology. Only more recently has it been applied to understand the sites and mechanisms of action of pharmacological agents within the...

journal_title：Journal of analytical toxicology

authors： Stein EA

更新日期：2001-07-01 00:00:00

abstract：:Synthetic cathinones have recently emerged as a substitute for common drugs of abuse. Synthetic cathinones can elicit powerful adverse effects such as delusions, hallucinations and potentially dangerous behavior. To develop a method to analyze 10 synthetic cathinones in oral fluid, we implemented a combined approach o...

journal_title：Journal of analytical toxicology

authors： Amaratunga P,Lorenz Lemberg B,Lemberg D

更新日期：2013-11-01 00:00:00

abstract：:Clonazepam, nitrazepam and flunitrazepam are frequently used benzodiazepines, both as prescribed medication and as drugs of abuse. Little is, however, known about how these drugs are excreted in oral fluid. It has been claimed that the parent drugs are more likely to be detected in oral fluid than the 7-amino metaboli...

journal_title：Journal of analytical toxicology

authors： Vindenes V,Strand DH,Koksæter P,Gjerde H

更新日期：2016-05-01 00:00:00

abstract：:Toxicological analyses of medicines and chemicals in formaldehyde-treated specimens are a component of forensic toxicology. This review involves two parts: (i) reactions of formaldehyde with substances in tissues fixed with formalin (aqueous formaldehyde solution) and (ii) the stability of substances in formalin-treat...

journal_title：Journal of analytical toxicology

authors： Takayasu T

更新日期：2013-11-01 00:00:00

abstract：:A simple, rapid ethanol screen based on a microdiffusion technique (Analytical Systems, Marion Laboratories) has been evaluated and compared to an established enzymatic procedure (Abbott TDx). They showed agreement in 484 of 488 biological specimens and all control specimens. They disagreed on 4 specimens--3 positive ...

journal_title：Journal of analytical toxicology

authors： Serrano L,Capshaw B,Quattrocchi F

更新日期：1988-11-01 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：:Urinary metabolites of famprofazone following oral administration in humans were identified by gas chromatography-mass spectrometry with electron impact-ionization and comparison with the spectra and retention times of authentic standards. The metabolites were determined following selective derivatization with N-methy...

journal_title：Journal of analytical toxicology

authors： Shin HS,Park BB,Choi SN,Oh JJ,Hong CP,Ryu H

更新日期：1998-01-01 00:00:00