Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Ronald R Flegel"'
Autor:
E Dale Hart, Svante Vikingsson, Ruth E Winecker, Amy L Evans, Edward J Cone, John M Mitchell, Eugene D Hayes, Ronald R Flegel
Publikováno v:
Journal of Analytical Toxicology. 47:154-161
The purpose of this study was to compare results from five commercial hair testing laboratories conducting workplace drug testing with regard to bias, precision, selectivity and decontamination efficiency. Nine blind hair specimens, including cocaine
Autor:
Tory R. Spindle, Dennis J. Sholler, Edward J. Cone, Timothy P. Murphy, Mahmoud ElSohly, Ruth E. Winecker, Ronald R. Flegel, Marcel O. Bonn-Miller, Ryan Vandrey
Publikováno v:
JAMA network open. 5(7)
Products containing cannabinoids such as cannabidiol (CBD) have proliferated since 2018, when the Agriculture Improvement Act removed hemp (ie, cannabis containing0.3% Δ9-tetrahydrocannabinol [THC]) from the US controlled substances list. Topical ca
Publikováno v:
Journal of analytical toxicology. 46(7)
To avoid a positive urine drug test, donors might try to subvert the test, either by adulterating the specimen with a product designed to interfere with testing or by substituting the specimen for a synthetic urine. A market search conducted in Decem
Autor:
Svante Vikingsson, Ruth E Winecker, Edward J Cone, David J Kuntz, Brian Dorsey, Martin Jacques, Melanie Senter, Ronald R Flegel, Eugene D Hayes
Publikováno v:
Journal of analytical toxicology. 46(8)
Given the recent popularity of cannabidiol (CBD) use and the emergence of ∆8-tetrahydrocannabinol (∆8-THC), the prevalence and concentrations of these and other cannabinoids were investigated in 2,000 regulated and 4,000 non-regulated specimens f
Autor:
Edward J, Cone, Rebecca, Heltsley, David L, Black, John M, Mitchell, Charles P, Lodico, Ronald R, Flegel
Publikováno v:
Journal of Analytical Toxicology. 37:255-264
The ongoing epidemic of prescription opioid abuse in the United States has prompted interest in semi-synthetic opioids in the federal workplace drug testing program. This study characterized the metabolism and disposition of oxycodone (OC) in human u
Publikováno v:
Journal of analytical toxicology. 36(6)
In urine drug testing, enantiomer analysis is used to determine whether a positive methamphetamine result could be due to use of an over-the-counter (OTC) nasal inhaler containing L-methamphetamine. D-methamphetamine at more than 20% of the total is
Autor:
Bergeria CL; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr., Baltimore, MD 21224, USA., Spindle TR; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr., Baltimore, MD 21224, USA., Cone EJ; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr., Baltimore, MD 21224, USA., Sholler D; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr., Baltimore, MD 21224, USA., Goffi E; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr., Baltimore, MD 21224, USA., Mitchell JM; RTI International, Research Triangle Park, 3040 East Cornwallis Rd., Research Triangle, NC 27709, USA., Winecker RE; RTI International, Research Triangle Park, 3040 East Cornwallis Rd., Research Triangle, NC 27709, USA., Bigelow GE; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr., Baltimore, MD 21224, USA., Flegel R; Division of Workplace Programs (DWP), Substance Abuse and Mental Health Services Administration (SAMHSA), 5600 Fishers Lane, Rockville, MD 20857, USA., Vandrey R; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr., Baltimore, MD 21224, USA.
Publikováno v:
Journal of analytical toxicology [J Anal Toxicol] 2022 Jul 14; Vol. 46 (6), pp. 583-591.
Autor:
Hart ED; Center for Forensic Sciences, RTI International, 3040 East Cornwallis Rd., Research Triangle Park, NC 27709, USA., Vikingsson S; Center for Forensic Sciences, RTI International, 3040 East Cornwallis Rd., Research Triangle Park, NC 27709, USA., Mitchell JM; Center for Forensic Sciences, RTI International, 3040 East Cornwallis Rd., Research Triangle Park, NC 27709, USA., Winecker RE; Center for Forensic Sciences, RTI International, 3040 East Cornwallis Rd., Research Triangle Park, NC 27709, USA., Flegel R; Division of Workplace Programs, Substance Abuse and Mental Health Services Administration, 56000 Fishers Lane, Rockville, MD 20857, USA., Hayes ED; Division of Workplace Programs, Substance Abuse and Mental Health Services Administration, 56000 Fishers Lane, Rockville, MD 20857, USA.
Publikováno v:
Journal of analytical toxicology [J Anal Toxicol] 2022 May 20; Vol. 46 (5), pp. 573-576.
Autor:
Spindle TR; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr, Baltimore, MD 21224, USA., Cone EJ; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr, Baltimore, MD 21224, USA., Herrmann ES; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr, Baltimore, MD 21224, USA., Mitchell JM; RTI International, Research Triangle Park, 3040 East Cornwallis Rd., NC 27709, USA., Flegel R; Division of Workplace Programs (DWP), Substance Abuse and Mental Health Services Administration (SAMHSA), 5600 Fishers Lane, Rockville, MD 20857, USA., LoDico C; Division of Workplace Programs (DWP), Substance Abuse and Mental Health Services Administration (SAMHSA), 5600 Fishers Lane, Rockville, MD 20857, USA., Bigelow GE; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr, Baltimore, MD 21224, USA., Vandrey R; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Dr, Baltimore, MD 21224, USA.
Publikováno v:
Journal of analytical toxicology [J Anal Toxicol] 2020 Oct 12; Vol. 44 (7), pp. 661-671.
Autor:
Schlienz NJ; Department of Psychology, University at Buffalo, 313 Diefendorf Hall, Buffalo, NY, 14214, USA., Spindle TR; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Drive, Baltimore, MD, 21224, USA., Cone EJ; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Drive, Baltimore, MD, 21224, USA., Herrmann ES; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Drive, Baltimore, MD, 21224, USA., Bigelow GE; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Drive, Baltimore, MD, 21224, USA., Mitchell JM; RTI International, 3040 East Cornwallis Road, Research Triangle Park, NC, 27709, USA., Flegel R; Substance Abuse and Mental Health Services Administration (SAMHSA), Division of Workplace Programs (DWP), 5600 Fishers Lane, Rockville, MD, 20857, USA., LoDico C; Substance Abuse and Mental Health Services Administration (SAMHSA), Division of Workplace Programs (DWP), 5600 Fishers Lane, Rockville, MD, 20857, USA., Vandrey R; Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, 5510 Nathan Shock Drive, Baltimore, MD, 21224, USA. Electronic address: rvandrey@jhmi.edu.
Publikováno v:
Drug and alcohol dependence [Drug Alcohol Depend] 2020 Mar 21; Vol. 211, pp. 107969. Date of Electronic Publication: 2020 Mar 21.