Confirmation of gelsemium poisoning by targeted analysis of toxic gelsemium alkaloids in urine.

abstract：:A rapid and sensitive solid-phase extraction method for the lysergic acid diethylamide (LSD) metabolite 2-oxo-3-hydroxy-LSD (O-H-LSD) was developed for use in a forensic laboratory. The method uses a positive-pressure manifold anion-exchange polymer-based solid-phase extraction with subsequent analysis by liquid chrom...

journal_title：Journal of analytical toxicology

authors： Horn CK,Klette KL,Stout PR

更新日期：2003-10-01 00:00:00

abstract：:In methanol intoxication, increased levels of the metabolite formate are associated with metabolic acidosis and an increased risk for ocular and neurological dysfunction. A simple method for plasma formate measurement by adaptation of a manual enzymatic assay to a Cobas Mira S analyzer is presented. Six microliters of...

journal_title：Journal of analytical toxicology

authors： Blomme B,Lheureux P,Gerlo E,Maes V

更新日期：2001-03-01 00:00:00

abstract：:High doses of nutmeg (seeds from Myristica fragrans Houtt.) can be abused as a psychoactive drug due to phenylpropene ingredients. During controlled abstinence, e.g., in forensic psychiatric clinics, nutmeg abuse has to be distinguished from an ingestion of other spices having phenylpropene ingredients (e.g., black pe...

journal_title：Journal of analytical toxicology

authors： Neukamm MA,Schwelm HM,Vieser S,Schiesel N,Auwärter V

更新日期：2020-01-07 00:00:00

abstract：:A high performance liquid chromatographic method is reported, which incorporates three internal standards (I-cinchonidine, N-propylprocainamide, and para-chlorodisopyramide) for the simultaneous quantitation of four commonly prescribed antiarrhythmic drugs: quinidine, procainamide, N-acetylprocainamide, and disopyrami...

journal_title：Journal of analytical toxicology

authors： Bridges RR,Jennison TA

更新日期：1983-03-01 00:00:00

abstract：:Solid-phase extraction (SPE) and a one-step derivatization are combined with gas chromatography-negative ion chemical ionization-mass spectrometry to simplify a previously reported method for the determination of naltrexone and its metabolite, 6-beta-naltrexol, in human plasma. Deuterated isotopomers of naltrexone and...

journal_title：Journal of analytical toxicology

authors： Huang W,Moody DE,Foltz RL,Walsh SL

更新日期：1997-07-01 00:00:00

abstract：:A rapid and simple liquid chromatography tandem mass spectrometry method was developed and validated for the simultaneous determination of L-ephedrine, pseudoephedrine, and caffeine in male Fisher-344 rat plasma at nanogram-per-milliliter concentrations for use in support of toxicology studies. Only 25 μL of plasma is...

journal_title：Journal of analytical toxicology

authors： Cooper SD,Fletcher BL,Silinski MA,Brown SS,Lodge JW,Fernando RA,Collins BJ

更新日期：2011-07-01 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：: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：:Different analytical procedures for quantitation of total morphine and codeine in urine were evaluated. Hydrolysis of urine with hydrochloric acid and four different enzymes was compared. In order to effect complete hydrolysis of glucuronide conjugates, hydrolysis with 6.5M HCl containing bisulphite and heating at 100...

journal_title：Journal of analytical toxicology

authors： Lin Z,Lafolie P,Beck O

更新日期：1994-05-01 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：:In recent years, several synthetic cannabinoid compounds have become popular recreational drugs of abuse because of their psychoactive properties. This paper presents toxicological findings of synthetic cannabinoids in whole blood from some cases of severe intoxication including quantitative data from recreational use...

journal_title：Journal of analytical toxicology

authors： Kronstrand R,Roman M,Andersson M,Eklund A

更新日期：2013-10-01 00:00:00

abstract：:Benzoylecgonine (BZE) extraction from urine was explored using Cerex Polycrom Clin II solid-phase extraction (SPE) columns and the Speedisk 48 Pressure Processor as an alternative to the Prep1 automated sample processor and XTRX Type RP/W columns. Linearity for urine standards extracted using the Cerex-Speedisk method...

journal_title：Journal of analytical toxicology

authors： Kuhnle JA,Churley M,Kawasaki SY,Lyons TP,Bruins MR

更新日期：2001-10-01 00:00:00

abstract：:A method is presented for the extraction and screening of basic and neutral drugs, including amphetamines. Two milliliters of blood are buffered to pH 9.0 and extracted with n-chlorobutane. Underivatized extracts are analyzed simultaneously on two complementary capillary columns placed together in one injection port u...

journal_title：Journal of analytical toxicology

authors： Watts VW,Simonick TF

更新日期：1986-09-01 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：:3,4-Methylenedioxymethamphetamine (MDMA), a commonly encountered drug of abuse, has been shown in a variety of studies to cause neurotoxic effects. Because MDMA itself is not neurotoxic, identifying the potential neurotoxic metabolite(s) was of significant importance. Evaluation of urine and plasma concentrations of M...

journal_title：Journal of analytical toxicology

authors： Valtier S,Phelix CF,Cody JT

更新日期：2007-04-01 00:00:00

abstract：:A sensitive method for identifying and quantifying brucine by means of liquid chromatography-tandem mass spectrometry is presented in this article. Based on a solid-phase extraction for human serum, the validation indicated limits of detection and quantification of 0.12 and 0.23 ng/mL, respectively. In one case of let...

journal_title：Journal of analytical toxicology

authors： Teske J,Weller JP,Albrecht UV,Fieguth A

更新日期：2011-05-01 00:00:00

abstract：:The measurement of cefoperazone concentrations in cerebral spinal fluid (CSF) is important to understanding the biodisposition and pharmacokinetic behavior of the drug. We have demonstrated that cefoperazone is unstable in methanol and at alkaline pH and these factors may affect the accurate quantitation of the drug i...

journal_title：Journal of analytical toxicology

authors： Kinniburgh DW,Jennison TA,Matsen JM

更新日期：1982-03-01 00:00:00

abstract：:Phenazepam and etizolam were the first uncontrolled benzodiazepines available for sale in the UK. Pyrazolam, flubromazepam and diclazepam are not used medicinally anywhere in the world; they are produced exclusively for the uncontrolled, recreational market. It is important to know whether potentially abused drugs lik...

journal_title：Journal of analytical toxicology

authors： O'Connor LC,Torrance HJ,McKeown DA

更新日期：2016-03-01 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：:The efficiency of ethanolamine and potassium hydroxide (KOH) as trapping agents for CO2 was determined using a flow of 500 mL/min through CO2 absorption towers containing trapping solutions. Radiolabeled 14CO2 was produced by acidification of suspensions containing Ba14CO3. Both 100% ethanolamine and 5M ethanolamine i...

journal_title：Journal of analytical toxicology

authors： Medinsky MA

更新日期：1986-01-01 00:00:00

abstract：:A total of 183 random, whole-blood specimens was collected from healthy individuals within the State of Queensland (Australia), and the bromide concentration was determined by wavelength-dispersive X-ray fluorescence spectrometry (WDXRF). The intensity of the tube Compton scatter line was used to account for differenc...

journal_title：Journal of analytical toxicology

authors： Olszowy HA,Rossiter J,Hegarty J,Geoghegan P

更新日期：1998-05-01 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：:This article reports the impact of diuresis on urinary excretion of ethanol in seven healthy volunteers who drank 1000 mL of export beer (44 g ethanol) in 30 min and, 120 min later, ingested 500 or 1000 mL of water within 5 min. Urine was voided before drinking started and every 30-60 min for 360 min after the start o...

journal_title：Journal of analytical toxicology

authors： Bendtsen P,Jones AW

更新日期：1999-11-01 00:00:00

abstract：:Human exposure to organophosphate pesticides can be estimated from the presence of urinary metabolites. An isotope-dilution gas chromatography-tandem mass spectrometry (GC-MS-MS) method was developed for quantitating the six dialkyl phosphate urinary metabolites of at least 29 organophosphate pesticides. Urine samples...

journal_title：Journal of analytical toxicology

authors： Bravo R,Driskell WJ,Whitehead RD Jr,Needham LL,Barr DB

更新日期：2002-07-01 00:00:00

abstract：:A method for the simultaneous analysis of cocaine (COC), derivatized benzoylecgonine (BE), and derivatized ecgonine methyl ester (EME) has been developed. Blood or urine containing deuterated analogs of the three analytes is extracted by pouring over a Chem-Elut column and eluting with chloroform/isopropanol (9:1). Th...

journal_title：Journal of analytical toxicology

authors： Isenschmid DS,Levine BS,Caplan YH

更新日期：1988-09-01 00:00:00

abstract：:Preliminary data regarding the use of vernix caseosa (VC) as an alternative to other biological specimens for the determination of fetal cocaine exposure are presented. Advantages of VC analysis include its presence on all newborn babies, historical record of drug exposure, and ease of collection and storage. Fifteen ...

journal_title：Journal of analytical toxicology

authors： Moore C,Dempsey D,Deitermann D,Lewis D,Leikin J

更新日期：1996-10-01 00:00:00

abstract：:Analysis of drugs in hair differs from their analysis in other tissues due to the extended detection window, as well as the opportunity that segmental hair analysis offers for the detection of changes in drug intake over time. The antipsychotic drug chlorprothixene is widely used, but few reports exist on chlorprothix...

journal_title：Journal of analytical toxicology

authors： Günther KN,Johansen SS,Wicktor P,Banner J,Linnet K

更新日期：2018-11-01 00:00:00

abstract：:An ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS-MS) method was developed and validated for the simultaneous determination of Delta(9)-tetrahydrocannabinol (THC), 11-hydroxy-Delta(9)-tetrahydrocannabinol (11-OH-THC), and 11-nor-9-carboxy-Delta(9)-tetrahydrocannabinol (THC-COOH) in whole blo...

journal_title：Journal of analytical toxicology

authors： Jamey C,Szwarc E,Tracqui A,Ludes B

更新日期：2008-06-01 00:00:00

abstract：:With the increased availability of nitrite-containing commercial products that are used for the adulteration of urine samples in the workplace, it is necessary for laboratories to be able to detect and confirm the presence of nitrite in these samples. We have developed a method to confirm the presence of nitrite in ur...

journal_title：Journal of analytical toxicology

authors： Singh J,Elberling JA,Hemphill DG,Holmstrom J

更新日期：1999-05-01 00:00:00

abstract：:A group of 16 volatile substances (ethyl acetate, 2-propanol, 1-propanol, methanol, acetone, ethanol, acetaldehyde, diethyl ether, methyl ethyl ketone, 1-butanol, 2-butanol, t-butanol, isobutanol, 2-methyl-1-butanol, 3-methyl-1-butanol, 1-pentanol) were qualitatively and quantitatively analyzed through a method develo...

journal_title：Journal of analytical toxicology

authors： Pinto M,Eusébio E,Monteiro C

更新日期：2020-10-08 00:00:00