X-ray microanalysis of calcium, potassium, and phosphorus in liver mitochondria stressed by carbon tetrachloride.

abstract：:Hair samples from 20 documented heroin users contained 6-acetylmorphine, a unique metabolite of heroin, in all samples. Heroin was identified in smaller amounts in seven of these samples. The identity of 6-acetylmorphine and heroin was established by comparison of full scan spectra of extracts to standard reference ma...

journal_title：Journal of analytical toxicology

authors： Goldberger BA,Caplan YH,Maguire T,Cone EJ

更新日期：1991-09-01 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：: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：:We report the validation of a quantitative method for paraquat in plasma and urine using high-performance liquid chromatography (HPLC) with ultraviolet detection (260 nm). Furthermore, we illustrate the use of this method in the clinic (over five years), in conjunction with a qualitative urine paraquat screen. Urine o...

journal_title：Journal of analytical toxicology

authors： Taylor PJ,Salm P,Pillans PI

更新日期：2001-09-01 00:00:00

abstract：:The aim of this study is to investigate the distribution of methamphetamine (MA) and its metabolite amphetamine (AP) in rat models of acute and subacute MA-ethanol combination abuse. Rats were fed with 20% ethanol for 4 weeks (chronic active-drinking group), and MA was injected intraperitoneally into chronically drink...

journal_title：Journal of analytical toxicology

authors： Liang M,Liu Y,Zheng N,Ananda S,Liu L

更新日期：2012-01-01 00:00:00

abstract：:A 59-year-old white male accidentally ingested a mouthful of a plant growth chemical, Cycocel, containing 11.8% of the active ingredient (2-chloroethyl)trimethylammonium chloride (chlormequat). He was seen by a family physician and then transferred to a hospital where he died as a result of ventricular fibrillation, w...

journal_title：Journal of analytical toxicology

authors： Winek CL,Wahba WW,Edelstein JM

更新日期：1990-07-01 00:00:00

abstract：:The fraction of any surface-adsorbed contaminant available for absorption is considered the bioaccessible fraction. Applied previously to contaminants such as pesticides and heavy metals on surfaces such as soil, food and cosmetics, the term may also be used to describe the fraction of drug residue bound to work surfa...

journal_title：Journal of analytical toxicology

authors： Doran GS,Howitt JA

更新日期：2019-03-01 00:00:00

abstract：:New psychoactive substances (NPS) are a major public health problem, primarily due to the increased number of acute poisoning cases. Detection of these substances is a challenge. The aim of this research was to develop and validate a sensitive screening method for 104 drugs of abuse, including synthetic cannabinoids, ...

journal_title：Journal of analytical toxicology

authors： da Cunha KF,Oliveira KD,Huestis MA,Costa JL

更新日期：2020-10-12 00:00:00

abstract：:A simple, time-saving procedure to measure aluminum (AI) in whole blood, plasma, and water samples of low ionic strength by flameless atomic absorption spectrometry is presented. With this procedure, an analagous pretreatment is given to all samples. Moreover, the pretreated samples are analyzed using an identical pro...

journal_title：Journal of analytical toxicology

authors： van der Voet GB,de Haas EJ,de Wolff FA

更新日期：1985-05-01 00:00:00

abstract：:A woman was alleged to have committed suicide by consuming a gasoline additive shortly before jumping from a second floor balcony within her home. She was found dead by police with a multitude of injuries, lying nude in a partially evaporated unknown residue that was later determined to be methanol. Samples collected ...

journal_title：Journal of analytical toxicology

authors： Avella J,Briglia E,Harleman G,Lehrer M

更新日期：2005-10-01 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：:Carfentanil is a mu (μ) opioid receptor agonist and is estimated to be ~10,000 times more potent than morphine in animal (non-human) models. It is not approved for human use and is only used to immobilize large exotic animals in veterinary medicine. In mid-2016, carfentanil emerged as a contaminant in street heroin in...

journal_title：Journal of analytical toxicology

authors： Shanks KG,Behonick GS

更新日期：2017-07-01 00:00:00

abstract：:A microextraction by packed sorbent (MEPS) procedure for rapid concentration of methadone and its primary metabolite (EDDP) in hair samples was developed. The miniaturized approach coupled to gas chromatography with tandem mass spectrometry (GC-MS-MS) was successfully validated. Hair samples (50 mg) were incubated wit...

journal_title：Journal of analytical toxicology

authors： Rosado T,Gallardo E,Vieira DN,Barroso M

更新日期：2020-12-12 00:00:00

abstract：:A sensitive and rugged gas chromatographic-mass spectrometric (GC-MS) method was developed for determining 11 polycyclic aromatic hydrocarbons (PAHs) in 4-g specimens of human lung, breast, and liver tissue. The method quantitation limit (MQL) was 0.01-0.02 ng/g for benzo[a]pyrene (BaP) and six other five- and six-rin...

journal_title：Journal of analytical toxicology

authors： Beach JB,Pellizzari E,Keever JT,Ellis L

更新日期：2000-11-01 00:00:00

abstract：:In mothers who had no prenatal care and in their newborns, the presence of cocaine and benzoylecgonine (BE) was determined in urine, hair, and meconium. Samples of urine and hair were obtained from pregnant women who entered the hospital for delivery. Cocaine usage was assessed by a urinary enzyme-multiplied immunoass...

journal_title：Journal of analytical toxicology

authors： DiGregorio GJ,Ferko AP,Barbieri EJ,Ruch EK,Chawla H,Keohane D,Rosenstock R,Aldano A

更新日期：1994-09-01 00:00:00

abstract：:Oral fluid (OF) is increasingly used for clinical, forensic and workplace drug testing as an alternative to urine. Uncertainties surrounding OF collection device performance, drug stability and testing reproducibility may be partially responsible for delays in the implementation of OF testing in regulated drug testing...

journal_title：Journal of analytical toxicology

authors： Samano KL,Anne L,Johnson T,Tang K,Sample RH

更新日期：2015-10-01 00:00:00

abstract：:This paper describes two relatively simple methods for the microdetermination of urinary cadmium (U-Cd) and urinary nickel (U-Ni) using electrothermal atomic absorption spectrometry. Reduction of nonspecific absorption interferences was achieved by temperature programming and background correction using a deuterium ar...

journal_title：Journal of analytical toxicology

authors： Ong CN,Chua LH,Lee BL,Ong HY,Chia KS

更新日期：1990-01-01 00:00:00

abstract：:Cannabinoids were extracted from serum with C18 SPE cartridges and analyzed as their trimethylsilyl (TMS) derivatives. A benchtop gas chromatography-tandem mass spectrometry (GC-MS-MS) system based on an ion trap with external ionization was used. Quantitation was done in relation to trideuterated internal standards i...

journal_title：Journal of analytical toxicology

authors： Weller JP,Wolf M,Szidat S

更新日期：2000-07-01 00:00:00

abstract：:Endogenous γ-hydroxybutyric acid (GHB) concentrations in blood and urine are well documented, but there are very little data on natural levels in saliva, a biological matrix increasingly used for drug testing. We measured endogenous GHB concentrations in 120 unpaid volunteers who also provided anonymous epidemiologica...

journal_title：Journal of analytical toxicology

authors： De Paoli G,Walker KM,Pounder DJ

更新日期：2011-04-01 00:00:00

abstract：:Uncertainty is an inherent property of all measurements. The magnitude of this uncertainty will determine the number of meaningful digits that should be reported in a measurement result. Several statistical arguments are considered providing evidence that three digit truncated results are more appropriate than two sin...

journal_title：Journal of analytical toxicology

authors： Gullberg RG

更新日期：2015-06-01 00:00:00

abstract：:Positive benzoylecgonine (BZE) urinalysis results are sometimes challenged in legal and administrative proceedings on the grounds that the presence of BZE is due to the addition of cocaine to the urine sample with subsequent in vitro hydrolysis to BZE. Consequently, counsel for the respondent or defendant may move tha...

journal_title：Journal of analytical toxicology

authors： Klette KL,Poch GK,Czarny R,Lau CO

更新日期：2000-10-01 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：:A previously reported procedure for quantification of LSD in urine was modified to permit measurement of the drug in plasma. After addition of deuterium-labelled LSD, the plasma is extracted and the extract is treated with trifluoroacetylimidazole to convert the LSD to its N-trifluoroacetyl derivative. The derivatized...

journal_title：Journal of analytical toxicology

authors： Papac DI,Foltz RL

更新日期：1990-05-01 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：:Fentanyl and its analogs, such as acetylfentanyl, have become a concern for potential abuse. Fentanyl compliance monitoring and urine drug testing are becoming increasingly necessary; however, a limited number of fentanyl immunoassays have been validated for clinical use. The purpose of this study was to validate the ...

journal_title：Journal of analytical toxicology

authors： Wang BT,Colby JM,Wu AH,Lynch KL

更新日期：2014-11-01 00:00:00

abstract：:Doxepin is a tricyclic antidepressant that is widely prescribed for the treatment of mild depression. In this study, hair samples collected from a patient receiving 25 mg of doxepin daily were analyzed. Doxepin was administered to the patient for 4 months (June 15 to October 15, 1996). Five hair samples were collected...

journal_title：Journal of analytical toxicology

authors： Negrusz A,Moore CM,Perry JL

更新日期：1998-10-01 00:00:00

abstract：:External contamination of hair or nails by inorganic arsenic compounds cannot effectively be removed with H2O or dilute HCl. The use of a modified Gutzeit apparatus allowed to establish or rule out external contamination. It was found that contaminated samples will generate large amounts of arsine gas when treated wit...

journal_title：Journal of analytical toxicology

authors： Pirl JN,Townsend GF,Valaitis AK,Grohlich D,Spikes JJ

更新日期：1983-09-01 00:00:00

abstract：:The quantification of drugs of abuse in keratinized matrices is becoming of special relevance for monitoring consumption and for post-mortem investigations. We aimed to implement an analytical method for the simultaneous detection of morphine (MORF), 6-monoacetylmorphine (6-MAM), methadone (MET), 2-ethylidene-1,5-dime...

journal_title：Journal of analytical toxicology

authors： Magalhães TP,Cravo S,Silva DDD,Dinis-Oliveira RJ,Afonso C,Lourdes Bastos M,Carmo H

更新日期：2018-04-01 00:00:00

abstract：:Urine drug testing is common for workplace drug testing, prescription management, emergency medicine and the criminal justice system. Unsurprisingly, with the significant consequences based upon the results of urine drug testing, a donor in need of concealing the contents of their sample is highly motivated to cheat t...

journal_title：Journal of analytical toxicology

authors： Goggin MM,Tann CM,Miller A,Nguyen A,Janis GC

更新日期：2017-03-01 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