Search Results - "HORN, Carl K"

Comparison of LC–MS-MS and GC–MS Analysis of Benzodiazepine Compounds Included in the Drug Demand Reduction Urinalysis Program by Perez, Erick Roman, Knapp, Joshua A., Horn, Carl K., Stillman, Stedra L., Evans, James E., Arfsten, Darryl P.

“…Liquid chromatography–tandem mass spectrometry (LC–MS-MS) offers specific advantages over gas chromatography–mass spectrometry (GC–MS) such as the ability to…”
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Rapid Simultaneous Determination of Amphetamine, Methamphetamine, 3,4-Methylenedioxyamphetamine, 3,4-Methylenedioxymethamphetamine, and 3,4-Methylenedioxyethylamphetamine in Urine by Solid-Phase Extraction and GC-MS: A Method Optimized for High-Volume Laboratories by Stout, Peter R., Horn, Carl K., Klette, Kevin L.

“…To facilitate analysis of high sample volumes, an extraction, derivatization and gas chromatographic-mass spectrometric analysis method was developed to…”
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Evaluation of Ephedrine, Pseudoephedrine and Phenylpropanolamine Concentrations in Human Urine Samples and a Comparison of the Specificity of DRI® Amphetamines and Abuscreen® Online (KIMS) Amphetamines Screening Immunoassays by Stout, PR, Klette, KL, Horn, CK

“…The purpose of this study was to evaluate the ability of two amphetamine class screening reagents to exclude ephedrine (EPH), pseudoephedrine (PSEPH), and…”
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Urine Benzodiazepine Screening using Roche Online® KIMS Immunoassay with β-Glucuronidase Hydrolysis and Confirmation by Gas Chromatography-Mass Spectrometry by Klette, Kevin L., Wiegand, Russell F., Horn, Carl K., Stout, Peter R., Magluilo, Joseph

“…Performance of the Roche Online KIMS (kinetic interaction of microparticles in solution) benzodiazepine (BZD) immunoassay (IA) with and without β-glucuronidase…”
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LC-MS Analysis of 2-Oxo-3-Hydroxy LSD from Urine Using a Speedisk® Positive-Pressure Processor with Cerex® PolyChrom™ CLIN II Columns by Horn, Carl K., Klette, Kevin L., Stout, Peter R.

“…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…”
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LC-MS Analysis of Human Urine Specimens for 2-Oxo-3-Hydroxy LSD: Method Validation for Potential Interferants and Stability Study of 2-Oxo-3-Hydroxy LSD Under Various Storage Conditions by Klette, Kevin L., Horn, Carl K., Stout, Peter R., Anderson, Cynthia J.

“…2-Oxo-3-hydroxy lysergic acid diethylamide (O-H-LSD), a major LSD metabolite, has previously been demonstrated to be a superior marker for identifying LSD use…”
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Evaluation of a Solid-Phase Extraction Method for Benzoylecgonine Urine Analysis in a High-Throughput Forensic Urine Drug-Testing Laboratory by Stout, Peter R., Gehlhausen, Jay M., Horn, Carl K., Klette, Kevin L.

“…A novel extraction and derivatization procedure for the cocaine metabolite benzoylecgonine (BZE) was developed and evaluated for use in a high-volume forensic…”
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Evaluation of ephedrine, pseudoephedrine and phenylpropanolamine concentrations in human urine samples and a comparison of the specificity of DRI amphetamines and by Stout, Peter R, Klette, Kevin L, Horn, Carl K

“…The purpose of this study was to evaluate the ability of two amphetamine class screening reagents to exclude ephedrine (EPH), pseudoephedrine (PSEPH), and…”
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LC-MS analysis of 2-oxo-3-hydroxy LSD from urine using a Speedisk® positive-pressure processor with Cerex® PolyChrom CLIN II columns: Special issue: Society of Forensic Toxicologists, Inc by HORN, Carl K, KLETTE, Kevin L, STOUT, Peter R

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Solid-Phase Extraction and GC-MS Analysis of THC-COOH Method Optimized for a High-Throughput Forensic Drug-Testing Laboratory by Stout, Peter R., Horn, Carl K., Klette, Kevin L.

“…In order to facilitate the confirmation analysis of large numbers of urine samples previously screened positive for Δ9-tetrahydrocannabinol (THC), an…”
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Loss of THCCOOH from Urine Specimens Stored in Polypropylene and Polyethylene Containers at Different Temperatures by Stout, Peter R., Horn, Carl K., Lesser, David R.

“…The loss of Δ9-tetrahydrocannabinol (THCCOOH) from urine specimens stored in polypropylene and polyethylene containers at 4°C and 25°C was examined. All…”
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Solid-phase extraction and GC-MS analysis of THC-COOH method optimized for a high-throughput forensic drug-testing laboratory: Special Issue: Society of Forensic Toxicologists, Inc by STOUT, Peter R, HORN, Carl K, KLETTE, Kevin L

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Evaluation of a solid-phase extraction method for benzoyleegonine urine analysis in a high-throughput forensic urine drug-testing laboratory: Society of Forensic Toxicologists, Inc by STOUT, Peter R, GEHLHAUSEN, Jay M, HORN, Carl K, KLETTE, Kevin L

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Loss of THCCOOH from urine specimens stored in polypropylene and polyethylene containers at different temperatures: Special Issue: Society of Forensic Toxicologists, Inc by STOUT, Peter R, HORN, Carl K, LESSER, David R

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