Effect of four laboratory decontamination procedures on the quantitative determination of cocaine and metabolites in hair by HPLC-MS.

abstract：:The purpose of this study was to determine the performance characteristics of the Cozart Methadone Microplate ELISA assay for the detection of methadone and methadone metabolites in hair specimens. One hundred and ten hair specimens were collected from volunteers (n=46) with a history of drug use and from drug-related...

journal_title：Journal of analytical toxicology

authors： Cooper G,Wilson L,Reid C,Baldwin D,Hand C,Spiehler V

更新日期：2005-10-01 00:00:00

abstract：:A rapid capillary gas-liquid chromatographic method for the determination of barbiturates in plasma at concentrations of clinical importance is presented. This method employs a rapid and simple extraction procedure and direct flame ionization detection with no derivatization. ...

journal_title：Journal of analytical toxicology

authors： Wallace JE,Hall LR,Harris SC

更新日期：1983-07-01 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：:An isotope dilution gas chromatography-tandem mass spectrometric (GC-MS-MS) method was developed for quantitating the urinary metabolites of the organophosphorus nerve agents sarin, soman, tabun (GA), VX, and GF. Urine samples were concentrated by codistillation with acetonitrile, derivatized by methylation with diazo...

journal_title：Journal of analytical toxicology

authors： Driskell WJ,Shih M,Needham LL,Barr DB

更新日期：2002-01-01 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：:As a part of ongoing testing of personnel preparing training aids for drug detection dogs at the Naval Criminal Investigative Service Regional Forensic Laboratory, personnel handling methamphetamine (MTH) were subject to voluntary urine drug testing. This provided a model of potential unwitting or environmental exposu...

journal_title：Journal of analytical toxicology

authors： Stout PR,Horn CK,Klette KL,Given J

更新日期：2006-10-01 00:00:00

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：: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：:This manuscript reviews data available in the scientific literature relative to drug testing for the five mandated drug classes and circumstances other than abuse of the drug itself that could result in a positive test. For marijuana, passive inhalation, unknowing oral ingestion, and the use of Marinol are discussed. ...

journal_title：Journal of analytical toxicology

authors： elSohly MA,Jones AB

更新日期：1995-10-01 00:00:00

abstract：:Gamma-hydroxybutyrate (GHB) is an endogenous compound, but its presence in postmortem blood presents a challenge when interpreting elevated levels as GHB is misused as a recreational drug and is also produced postmortem. A total of 387 postmortem cases (273 male and 114 female) submitted to the toxicology laboratory b...

journal_title：Journal of analytical toxicology

authors： Korb AS,Cooper G

更新日期：2014-10-01 00:00:00

abstract：:Proton nuclear magnetic resonance spectroscopy (1H MRS) has been used to identify ethanol in vivo and to detect other exogenous low molecular weight volatiles in human serum. 1H MRS was used to detect and quantitate 15 human sera containing various concentrations and combinations of ethanol, isopropanol, acetone, and ...

journal_title：Journal of analytical toxicology

authors： Pappas AA,Thompson JR,Fuller GL,Porter WH,Gadsden RH

更新日期：1993-09-01 00:00:00

abstract：:During the investigation of aviation accidents, postmortem specimens from accident victims are submitted to the Federal Aviation Administration's Civil Aerospace Medical Institute (CAMI) for toxicological analysis. A case recently received by CAMI screened positive for the anticonvulsant medication carbamazepine (CBZ;...

journal_title：Journal of analytical toxicology

authors： Lewis RJ,Angier MK,Johnson RD

更新日期：2014-10-01 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：:The relationship between blood cocaine concentrations and pharmacological effects is of both theoretical and practical interest. This study utilized a computer-assisted smoking device for the delivery of three active doses (10, 20, and 40 mg) of cocaine base to seven human volunteers. Doses were administered in an asc...

journal_title：Journal of analytical toxicology

authors： Jenkins AJ,Keenan RM,Henningfield JE,Cone EJ

更新日期：2002-10-01 00:00:00

abstract：:Because mycotoxins occur worldwide in grain and grain products, evaluating their effects on the health of the population has become important. The development of a high performance liquid chromatographic (HPLC) procedure was investigated for the analysis of aflatoxin B1, citrinin, and ochratoxin A, from hydrolyzed hum...

journal_title：Journal of analytical toxicology

authors： Orti DL,Hill RH Jr,Liddle JA,Needham LL,Vickers L

更新日期：1986-03-01 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：: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：: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：:A method for the determination of seven polychlorinated biphenyl residues in plasma by gas chromatography-mass spectrometry was developed. The analytes were isolated from human plasma by liquid-liquid extraction, followed by solid-phase extraction, and separation on an HP5 Trace column. Ionization mode was electronic ...

journal_title：Journal of analytical toxicology

authors： Charlier C,Dubois N,Cucchiaro S,Plomteux G

更新日期：2003-03-01 00:00:00

abstract：:To evaluate liquid chromatography-high-resolution mass spectrometry (LC-HR-MS) for urine toxicology screening, 29 analytes were quantitated in 152 urine specimens from patients with chronic pain using two unique mass spectrometry platforms. De-identified specimens were quantitated in April of 2011 by liquid chromatogr...

journal_title：Journal of analytical toxicology

authors： Crews BO,Pesce AJ,West R,Nguyen H,Fitzgerald RL

更新日期：2012-11-01 00:00:00

abstract：:Caffeine is the most widely consumed drug in the world with coffee representing a major source of intake. Despite widespread availability, various medical conditions necessitate caffeine-restricted diets. Patients on certain prescription medications are advised to discontinue caffeine intake. Such admonition has impli...

journal_title：Journal of analytical toxicology

authors： McCusker RR,Fuehrlein B,Goldberger BA,Gold MS,Cone EJ

更新日期：2006-10-01 00:00:00

abstract：:The concentrations of amphetamine and methamphetamine in a new lyophilized human urine reference material (RM) were determined at the National Institute of Standards and Technology, in cooperation with the College of American Pathologists. In order to minimize the possibility of undetected bias, two different methods ...

journal_title：Journal of analytical toxicology

authors： Ellerbe P,Long T,Welch MJ

更新日期：1993-05-01 00:00:00

abstract：:An improved method for the simultaneous determination of cocaine and its metabolites, benzoylecgonine (BE), norcocaine, and ecgoninemethylester (EME), in rat plasma and urine is described. Following derivatization of EME to p-fluorococaine, chromatography was performed on two high-performance liquid chromatography (HP...

journal_title：Journal of analytical toxicology

authors： Jamdar SC,Pantuck CB,Diaz J,Mets B

更新日期：2000-09-01 00:00:00

abstract：:The metabolism of N-benzylpiperazine (BZP), a recently scheduled designer drug, in the rat has been studied by analyzing its urinary metabolites. p-Hydroxy-BZP (p-OH-BZP) was unequivocally identified as the main metabolite along with a minor metabolite m-hydroxy-BZP (m-OH-BZP), using gas chromatography-mass spectromet...

journal_title：Journal of analytical toxicology

authors： Tsutsumi H,Katagi M,Miki A,Shima N,Kamata T,Nakajima K,Inoue H,Kishi T,Tsuchihashi H

更新日期：2006-01-01 00:00:00

abstract：:A multi-residue analytical method was developed for the determination in amniotic fluid (AF) of 13 illicit phenethylamines, including 12 compounds never investigated in this matrix before. Samples were subject to solid-phase extraction using; hydrophilic-lipophilic balance cartridges which gave good recoveries and low...

journal_title：Journal of analytical toxicology

authors： Burrai L,Nieddu M,Carta A,Trignano C,Sanna R,Boatto G

更新日期：2016-04-01 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：INTRODUCTION:We encountered unexpected false positive urine results in three patients for amphetamine-type substances by immunoassay, measured as part of community drug prevention programmes. Kavain was identified in all three urine samples by gas chromatography mass spectrometry (GC-MS). No other potential cross-react...

journal_title：Journal of analytical toxicology

authors： Madhavaram H,Patel T,Kyle C

更新日期：2020-12-16 00:00:00

abstract：:The aim of the present study was to assess the persistence of clenbuterol residues in retinal tissue of pigs after repeated administration in a growth-promoting dose, using enzyme-linked immunosorbent assay (ELISA) as a screening method for quantitative determination. A growth-promoting dose of clenbuterol (20 μg/kg b...

journal_title：Journal of analytical toxicology

authors： Pleadin J,Vulić A,Mitak M,Perši N,Milić D

更新日期：2011-01-01 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：: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