Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Eugene D Hayes"'
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:
E Dale Hart, John M. Mitchell, Ronald Flegel, Ruth E. Winecker, Svante Vikingsson, Eugene D Hayes
Publikováno v:
Journal of Analytical Toxicology. 46:573-576
The growing use of cannabidiol (CBD) products by the general public is expected to result in an increase in the prevalence of CBD and the CBD metabolites in drug testing laboratories. CBD converts into tetrahydrocannabinol (THC) under acid conditions
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, Ryan Vandrey, John M. Mitchell, Nicolas J. Schlienz, Eugene D Hayes, George E. Bigelow, Tory R. Spindle, Ronald Flegel
Publikováno v:
J Anal Toxicol
As cannabis has become more accessible, use of alternative methods for cannabis administration such as vaporizers has become more prevalent. Most prior controlled pharmacokinetic evaluations have examined smoked cannabis in frequent (often daily) can
Autor:
John M. Mitchell, Ronald Flegel, Nicolas J. Schlienz, Ryan Vandrey, Tory R. Spindle, Edward J. Cone, Eugene D Hayes, George E. Bigelow
Publikováno v:
J Anal Toxicol
Currently, an unprecedented number of individuals can legally access cannabis. Vaporization is increasingly popular as a method to self-administer cannabis, partly due to perception of reduced harm compared with smoking. Few controlled laboratory stu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ba1141440fc78342f6ef7699e82de2f
https://europepmc.org/articles/PMC6676961/
https://europepmc.org/articles/PMC6676961/
Autor:
Kelley Rogers, Erin M. Hall, Robert M White, E Dale Hart, Eugene D Hayes, Amy Evans, George C Maha, Megan D. Shaffer, Meredith Meaders, Ron Flegel, John M. Mitchell, Sarah E Norsworthy
Publikováno v:
Forensic science international. 283
For forensic biological sample collections, the specimen donor is linked solidly to his or her specimen through a chain of custody (CoC) sometimes referenced as a chain of evidence. Rarely, a donor may deny that a urine or oral fluid (OF) specimen is
Autor:
Robert M White, John M. Mitchell, Nichole Bynum, Katherine N. Moore, Megan Grabenauer, Eugene D Hayes, Ronald Flegel
Publikováno v:
Journal of analytical toxicology. 42(2)
Current hair testing methods that rely solely on quantification of parent drug compounds are unable to definitively distinguish between drug use and external contamination. One possible solution to this problem is to confirm the presence of unique dr
Autor:
Eugene D Hayes, John M. Mitchell, Ryan Vandrey, Ronald Flegel, George E. Bigelow, Tory R. Spindle, Edward J. Cone, Nicolas J. Schlienz
Publikováno v:
JAMA Network Open. 1:e184841
Importance Vaporization is an increasingly popular method for cannabis administration, and policy changes have increased adult access to cannabis drastically. Controlled examinations of cannabis vaporization among adults with infrequent current canna