Works by Winecker, Ruth E

Results: 23

Postmortem Metaxalone (Skelaxin®) Data from North Carolina.

Published in:

Journal of Analytical Toxicology, 2015, v. 39, n. 8, p. 629, doi. 10.1093/jat/bkv066

By:

Bishop-Freeman, Sandra C.;
Miller, Alison;
Hensel, Erin M.;
Winecker, Ruth E.

Publication type:

Article

Postmortem Levetiracetam (Keppra ®) Data from North Carolina.

Published in:

2012

By:

Bishop-Freeman, Sandra C.;
Kornegay, Nina C.;
Winecker, Ruth E.

Publication type:

Opinion

False-Positive Enzymatic Alcohol Results in Perimortem Specimens.

Published in:

Laboratory Medicine, 2020, v. 51, n. 4, p. 394, doi. 10.1093/labmed/lmz082

By:

Bishop-Freeman, Sandra C;
Bertholf, Roger L;
Powers, Robert H;
Mayhew, Lisa C;
Winecker, Ruth E

Publication type:

Article

NSC-ADID position statement on performance impairment in safety-sensitive positions related to cannabis and other cannabinoids.

Published in:

Journal of Analytical Toxicology, 2025, v. 49, n. 1, p. 63, doi. 10.1093/jat/bkae089

By:

Corbett, Michael R;
Jones, Sabra R;
Winecker, Ruth E;
Yeatman, Tate

Publication type:

Article

Δ9-Tetrahydrocannabinol and 11-hydroxy-Δ9-tetrahydrocannabinol as markers of cannabis use in urinary drug testing.

Published in:

Journal of Analytical Toxicology, 2024, v. 48, n. 9, p. 710, doi. 10.1093/jat/bkae070

By:

Vikingsson, Svante;
Winecker, Ruth E;
Cone, Edward J;
Kuntz, David J;
Hayes, Eugene D;
Flegel, Ronald R;
Davis, Lisa S

Publication type:

Article

Fentanyl as a marker of illicit drug use in morphine-positive urine specimens from workplace drug testing.

Published in:

Journal of Analytical Toxicology, 2024, v. 48, n. 3, p. 185, doi. 10.1093/jat/bkae003

By:

Vikingsson, Svante;
Winecker, Ruth E;
Kuntz, David J;
Clark, Michael;
Jacques, Martin;
Hart, E Dale;
Hayes, Eugene D;
Flegel, Ronald R;
Davis, Lisa S

Publication type:

Article

Pharmacokinetics and pharmacodynamics of five distinct commercially available hemp-derived topical cannabidiol products.

Published in:

Journal of Analytical Toxicology, 2024, v. 48, n. 2, p. 81, doi. 10.1093/jat/bkae001

By:

Zamarripa, C Austin;
Tilton, Hayleigh E;
Lin, Spencer;
Cone, Edward J;
Winecker, Ruth E;
Flegel, Ronald R;
Kuntz, David;
Beals, Melissa;
Jacques, Martin;
Clark, Michael;
Welsh, Eric R;
Wagner, Lynn;
Bonn-Miller, Marcel O;
Vandrey, Ryan;
Spindle, Tory R

Publication type:

Article

Prevalence of ∆8-tetrahydrocannabinol carboxylic acid in workplace drug testing.

Published in:

Journal of Analytical Toxicology, 2023, n. 8, p. 719, doi. 10.1093/jat/bkad068

By:

Vikingsson, Svante;
Hart, E. Dale;
Winecker, Ruth E;
Cone, Edward J;
Kuntz, David J;
Clark, Michael;
Jacques, Martin;
Hayes, Eugene D;
Flegel, Ronald R

Publication type:

Article

∆8-THC-COOH cross-reactivity with cannabinoid immunoassay kits and interference in chromatographic testing methods.

Published in:

Journal of Analytical Toxicology, 2023, v. 47, n. 7, p. 557, doi. 10.1093/jat/bkad042

By:

Mullen, Lawrance D;
Hart, E. Dale;
Vikingsson, Svante;
Winecker, Ruth E;
Hayes, Eugene;
Flegel, Ron

Publication type:

Article

Conversion of water-soluble CBD to ∆9-THC in synthetic gastric fluid—An unlikely cause of positive drug tests.

Published in:

2023

By:

Hart, E. Dale;
Mullen, Lawrance;
Vikingsson, Svante;
Cone, Edward J;
Winecker, Ruth E;
Hayes, Eugene D;
Flegel, Ronald R

Publication type:

Case Study

Performance of Hair Testing for Cocaine Use—Comparison of Five Laboratories Using Blind Reference Specimens.

Published in:

Journal of Analytical Toxicology, 2023, v. 47, n. 2, p. 154, doi. 10.1093/jat/bkac066

By:

Hart, E Dale;
Vikingsson, Svante;
Winecker, Ruth E;
Evans, Amy L;
Cone, Edward J;
Mitchell, John M;
Hayes, Eugene D;
Flegel, Ronald R

Publication type:

Article

Prevalence of Cannabidiol, ∆9- and ∆8-Tetrahydrocannabinol and Metabolites in Workplace Drug Testing Urine Specimens.

Published in:

Journal of Analytical Toxicology, 2022, v. 46, n. 8, p. 866, doi. 10.1093/jat/bkac013

By:

Vikingsson, Svante;
Winecker, Ruth E;
Cone, Edward J;
Kuntz, David J;
Dorsey, Brian;
Jacques, Martin;
Senter, Melanie;
Flegel, Ronald R;
Hayes, Eugene D

Publication type:

Article

Update on Urine Adulterants and Synthetic Urine Samples to Subvert Urine Drug Testing.

Published in:

Journal of Analytical Toxicology, 2022, v. 46, n. 7, p. 697, doi. 10.1093/jat/bkac029

By:

Vikingsson, Svante;
Krauss, Shannon T;
Winecker, Ruth E;
Flegel, Ronald R;
Hayes, Eugene D

Publication type:

Article

Pharmacokinetic Profile of ∆9-Tetrahydrocannabinol, Cannabidiol and Metabolites in Blood following Vaporization and Oral Ingestion of Cannabidiol Products.

Published in:

Journal of Analytical Toxicology, 2022, v. 46, n. 6, p. 583, doi. 10.1093/jat/bkab124

By:

Bergeria, Cecilia L;
Spindle, Tory R;
Cone, Edward J;
Sholler, Dennis;
Goffi, Elia;
Mitchell, John M;
Winecker, Ruth E;
Bigelow, George E;
Flegel, Ronald;
Vandrey, Ryan

Publication type:

Article

Urinary Pharmacokinetic Profile of Cannabidiol (CBD), Δ9-Tetrahydrocannabinol (THC) and Their Metabolites following Oral and Vaporized CBD and Vaporized CBD-Dominant Cannabis Administration.

Published in:

Journal of Analytical Toxicology, 2022, v. 46, n. 5, p. 494, doi. 10.1093/jat/bkab059

By:

Sholler, Dennis J;
Spindle, Tory R;
Cone, Edward J;
Goffi, Elia;
Kuntz, David;
Mitchell, John M;
Winecker, Ruth E;
Bigelow, George E;
Flegel, Ronald R;
Vandrey, Ryan

Publication type:

Article

Conversion of 7-Carboxy-Cannabidiol (7-COOH-CBD) to 11-Nor-9-Carboxy-Tetrahydrocannabinol (THC-COOH) during Sample Preparation for GC–MS Analysis.

Published in:

Journal of Analytical Toxicology, 2022, v. 46, n. 5, p. 573, doi. 10.1093/jat/bkab046

By:

Hart, E Dale;
Vikingsson, Svante;
Mitchell, John M;
Winecker, Ruth E;
Flegel, Ronald;
Hayes, Eugene D

Publication type:

Article

Death from Poppy Tea Consumption.

Published in:

Journal of Analytical Toxicology, 2020, v. 44, n. 7, p. 734, doi. 10.1093/jat/bkaa093

By:

Bishop-Freeman, Sandra C;
Fox, Lauren;
Winecker, Ruth E;
Hudson, Jason S

Publication type:

Article

Effects of Bariatric Surgery Observed in Postmortem Toxicology Casework.

Published in:

Journal of Analytical Toxicology, 2019, v. 43, n. 8, p. 651, doi. 10.1093/jat/bkz062

By:

Bishop-Freeman, Sandra C;
Skirnick, Olivia;
Noble, Chelsea N;
Eagerton, David H;
Winecker, Ruth E

Publication type:

Article

Degradation of Bupropion: Implications for Interpretation of Postmortem Case Data.

Published in:

Journal of Analytical Toxicology, 2018, v. 42, n. 8, p. 525, doi. 10.1093/jat/bky058

By:

Bishop-Freeman, Sandra C;
Hensel, Erin M;
Feaster, Marc S;
Winecker, Ruth E

Publication type:

Article

Benzonatate Toxicity: Nothing to Cough At.

Published in:

2017

By:

Bishop-Freeman, Sandra C.;
Shonsey, Erin M.;
Friederich, Laura W.;
Beuhler, Michael C.;
Winecker, Ruth E.

Publication type:

Letter to the Editor

Loperamide-Related Deaths in North Carolina.

Published in:

Journal of Analytical Toxicology, 2016, v. 40, n. 8, p. 677, doi. 10.1093/jat/bkw069

By:

Bishop-Freeman, Sandra C.;
Feaster, Marc S.;
Beal, Jennifer;
Miller, Alison;
Hargrove, Robert L.;
Brower, Justin O.;
Winecker, Ruth E.

Publication type:

Article

Cannabinoid Content and Label Accuracy of Hemp-Derived Topical Products Available Online and at National Retail Stores.

Published in:

JAMA Network Open, 2022, v. 5, n. 7, p. e2223019, doi. 10.1001/jamanetworkopen.2022.23019

By:

Spindle, Tory R.;
Sholler, Dennis J.;
Cone, Edward J.;
Murphy, Timothy P.;
ElSohly, Mahmoud;
Winecker, Ruth E.;
Flegel, Ronald R.;
Bonn-Miller, Marcel O.;
Vandrey, Ryan

Publication type:

Article

Cannabinoid Content and Label Accuracy of Hemp-Derived Topical Products Available Online and at National Retail Stores.

Published in:

JAMA Network Open, 2022, v. 5, n. 7, p. 1, doi. 10.1001/jamanetworkopen.2022.23019

By:

Spindle, Tory R.;
Sholler, Dennis J.;
Cone, Edward J.;
Murphy, Timothy P.;
ElSohly, Mahmoud;
Winecker, Ruth E.;
Flegel, Ronald R.;
Bonn-Miller, Marcel O.;
Vandrey, Ryan

Publication type:

Article

Works by Winecker, Ruth E

Postmortem Metaxalone (Skelaxin®) Data from North Carolina.

Postmortem Levetiracetam (Keppra <sup>®</sup>) Data from North Carolina.

False-Positive Enzymatic Alcohol Results in Perimortem Specimens.

NSC-ADID position statement on performance impairment in safety-sensitive positions related to cannabis and other cannabinoids.

Δ<sup>9</sup>-Tetrahydrocannabinol and 11-hydroxy-Δ<sup>9</sup>-tetrahydrocannabinol as markers of cannabis use in urinary drug testing.

Fentanyl as a marker of illicit drug use in morphine-positive urine specimens from workplace drug testing.

Pharmacokinetics and pharmacodynamics of five distinct commercially available hemp-derived topical cannabidiol products.

Prevalence of ∆<sup>8</sup>-tetrahydrocannabinol carboxylic acid in workplace drug testing.

∆<sup>8</sup>-THC-COOH cross-reactivity with cannabinoid immunoassay kits and interference in chromatographic testing methods.

Conversion of water-soluble CBD to ∆<sup>9</sup>-THC in synthetic gastric fluid—An unlikely cause of positive drug tests.

Performance of Hair Testing for Cocaine Use—Comparison of Five Laboratories Using Blind Reference Specimens.

Prevalence of Cannabidiol, ∆9- and ∆8-Tetrahydrocannabinol and Metabolites in Workplace Drug Testing Urine Specimens.

Update on Urine Adulterants and Synthetic Urine Samples to Subvert Urine Drug Testing.

Pharmacokinetic Profile of ∆9-Tetrahydrocannabinol, Cannabidiol and Metabolites in Blood following Vaporization and Oral Ingestion of Cannabidiol Products.

Urinary Pharmacokinetic Profile of Cannabidiol (CBD), Δ9-Tetrahydrocannabinol (THC) and Their Metabolites following Oral and Vaporized CBD and Vaporized CBD-Dominant Cannabis Administration.

Conversion of 7-Carboxy-Cannabidiol (7-COOH-CBD) to 11-Nor-9-Carboxy-Tetrahydrocannabinol (THC-COOH) during Sample Preparation for GC–MS Analysis.

Death from Poppy Tea Consumption.

Effects of Bariatric Surgery Observed in Postmortem Toxicology Casework.

Degradation of Bupropion: Implications for Interpretation of Postmortem Case Data.

Benzonatate Toxicity: Nothing to Cough At.

Loperamide-Related Deaths in North Carolina.

Cannabinoid Content and Label Accuracy of Hemp-Derived Topical Products Available Online and at National Retail Stores.

Cannabinoid Content and Label Accuracy of Hemp-Derived Topical Products Available Online and at National Retail Stores.