Shawn P Vorce

Summary

Affiliation: Walter Reed Army Medical Center
Country: USA

Publications

  1. ncbi request reprint Dimethylamylamine: a drug causing positive immunoassay results for amphetamines
    Shawn P Vorce
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, 1413 Research Boulevard, Building 102, Rockville, Maryland 20850, USA
    J Anal Toxicol 35:183-7. 2011
  2. ncbi request reprint Multiple-drug toxicity caused by the coadministration of 4-methylmethcathinone (mephedrone) and heroin
    Amber J Dickson
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, Rockville, MD 20850 3125, USA
    J Anal Toxicol 34:162-8. 2010
  3. ncbi request reprint A drug toxicity death involving propylhexedrine and mitragynine
    Justin M Holler
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, 1413 Research Blvd, Bldg 102, Rockville, Maryland, USA
    J Anal Toxicol 35:54-9. 2011
  4. ncbi request reprint An overdose death involving the insufflation of extended-release oxymorphone tablets
    Shawn P Vorce
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, 1413 Research Blvd, Bldg 102, Rockville, Maryland 20850, USA
    J Anal Toxicol 34:521-6. 2010
  5. ncbi request reprint Detection of 1-benzylpiperazine, 1-(3-trifluoromethylphenyl)-piperazine, and 1-(3-chlorophenyl)-piperazine in 3,4-methylenedioxymethamphetamine-positive urine samples
    Amber J Dickson
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, Rockville, Maryland 20850 3125, USA
    J Anal Toxicol 34:464-9. 2010
  6. ncbi request reprint A Fatality Involving AH-7921
    Shawn P Vorce
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Dover AFB, Dover, DE 19902, USA
    J Anal Toxicol 38:226-30. 2014
  7. ncbi request reprint Evaluation of designer amphetamine interference in GC-MS amine confirmation procedures
    Justin M Holler
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Dover AFB, Dover, DE 19902, USA
    J Anal Toxicol 38:295-303. 2014
  8. ncbi request reprint The detection and quantitative analysis of the psychoactive component of Salvia divinorum, salvinorin A, in human biological fluids using liquid chromatography-mass spectrometry
    Pamela C McDonough
    Division of Forensic Toxicology, The Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, Rockville, Maryland 20850 3125, USA
    J Anal Toxicol 32:417-21. 2008
  9. ncbi request reprint Detection of 1-benzylpiperazine and 1-(3-trifluoromethylphenyl)-piperazine in urine analysis specimens using GC-MS and LC-ESI-MS
    Shawn P Vorce
    Division of Forensic Toxicology, The Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, Rockville, Maryland 20850 3125, USA
    J Anal Toxicol 32:444-50. 2008
  10. ncbi request reprint Quantitative analysis of the aminosteroidal non-depolarizing neuromuscular blocking agent vecuronium by LC-ESI-MS: A Postmortem Investigation
    Shawn P Vorce
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, Rockville, Maryland 20850 3125, USA
    J Anal Toxicol 32:422-7. 2008

Collaborators

Detail Information

Publications12

  1. ncbi request reprint Dimethylamylamine: a drug causing positive immunoassay results for amphetamines
    Shawn P Vorce
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, 1413 Research Boulevard, Building 102, Rockville, Maryland 20850, USA
    J Anal Toxicol 35:183-7. 2011
    ..LC-MS-MS analysis revealed the presence of DMAA in 92.3% of the false-positive samples at a concentration of approximately 6.0 mg/L DMAA, causing a positive screen on both immunoassay kits...
  2. ncbi request reprint Multiple-drug toxicity caused by the coadministration of 4-methylmethcathinone (mephedrone) and heroin
    Amber J Dickson
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, Rockville, MD 20850 3125, USA
    J Anal Toxicol 34:162-8. 2010
    ..Therefore, the medical examiner reported the cause of death as multiple-drug toxicity and the manner of death as accidental...
  3. ncbi request reprint A drug toxicity death involving propylhexedrine and mitragynine
    Justin M Holler
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, 1413 Research Blvd, Bldg 102, Rockville, Maryland, USA
    J Anal Toxicol 35:54-9. 2011
    ..This is the first known publication of a case report involving propylhexedrine and mitragynine...
  4. ncbi request reprint An overdose death involving the insufflation of extended-release oxymorphone tablets
    Shawn P Vorce
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, 1413 Research Blvd, Bldg 102, Rockville, Maryland 20850, USA
    J Anal Toxicol 34:521-6. 2010
    ..The established linearity ranges for the opiate and benzodiazepine methods were 0.050-3.000 and 0.025-1.000 mg/L, respectively. The cause of death was reported as multiple drug toxicity, and the manner of death was accidental...
  5. ncbi request reprint Detection of 1-benzylpiperazine, 1-(3-trifluoromethylphenyl)-piperazine, and 1-(3-chlorophenyl)-piperazine in 3,4-methylenedioxymethamphetamine-positive urine samples
    Amber J Dickson
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, Rockville, Maryland 20850 3125, USA
    J Anal Toxicol 34:464-9. 2010
    ..Overall, in 36% of the specimens analyzed, a stimulant or psychoactive compound other than MDMA and 3,4-methylenedioxyamphetamine (MDA) was detected. BZP, TFMPP, and mCPP were detected in 15%, 7%, and 1% of the samples, respectively...
  6. ncbi request reprint A Fatality Involving AH-7921
    Shawn P Vorce
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Dover AFB, Dover, DE 19902, USA
    J Anal Toxicol 38:226-30. 2014
    ..1 mg/kg in heart, 21 mg/kg in lung, 7.7 mg/kg in brain, 17 mg/L in bile and 120 mg/125 mL in the stomach content. The medical examiner reported that the cause of death was opioid intoxication and the manner of death was accident. ..
  7. ncbi request reprint Evaluation of designer amphetamine interference in GC-MS amine confirmation procedures
    Justin M Holler
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Dover AFB, Dover, DE 19902, USA
    J Anal Toxicol 38:295-303. 2014
    ..Careful ion selection, proper selectivity and specificity studies during method validation and rigid chromatographic and spectral acceptance criteria are required to assure the robustness and accuracy of GC-MS methods...
  8. ncbi request reprint The detection and quantitative analysis of the psychoactive component of Salvia divinorum, salvinorin A, in human biological fluids using liquid chromatography-mass spectrometry
    Pamela C McDonough
    Division of Forensic Toxicology, The Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, Rockville, Maryland 20850 3125, USA
    J Anal Toxicol 32:417-21. 2008
    ..5 and 5.0 ng/mL, respectively. The method has been applied to blood and urine samples successfully and can be used to detect the presence of salvinorin A in forensic testing...
  9. ncbi request reprint Detection of 1-benzylpiperazine and 1-(3-trifluoromethylphenyl)-piperazine in urine analysis specimens using GC-MS and LC-ESI-MS
    Shawn P Vorce
    Division of Forensic Toxicology, The Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, Rockville, Maryland 20850 3125, USA
    J Anal Toxicol 32:444-50. 2008
    ..0 to 429.1 mg/L and 0.79 to 25.4 mg/L for BZP and TFMPP, respectively...
  10. ncbi request reprint Quantitative analysis of the aminosteroidal non-depolarizing neuromuscular blocking agent vecuronium by LC-ESI-MS: A Postmortem Investigation
    Shawn P Vorce
    Division of Forensic Toxicology, Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, Rockville, Maryland 20850 3125, USA
    J Anal Toxicol 32:422-7. 2008
    ..080 mg/kg, respectively. The active metabolite 3-desacetylvecuronium was quantitated in blood at 0.100 mg/L, in the urine at 0.040 mg/L and in the kidney, liver, spleen, and lung at 0.271, 0.100, 0.082, and 0.164 mg/kg, respectively...
  11. pmc Modern instrumental methods in forensic toxicology
    Michael L Smith
    Division of Forensic Toxicology, Office of the Armed Forces Medical Examiner, Armed Forces Institute of Pathology, Rockville, Maryland 20850, USA
    J Anal Toxicol 31:237-53, 8A-9A. 2007
    ..A goal of this review is to encourage innovations to improve our technological capabilities and to encourage use of these analytical techniques in forensic toxicology practice...
  12. ncbi request reprint Quantitative and isomeric determination of amphetamine and methamphetamine from urine using a nonprotic elution solvent and R(-)-alpha-methoxy-alpha-trifluoromethylphenylacetic acid chloride derivatization
    Justin M Holler
    Office of the Armed Forces Medical Examiner, Division of Forensic Toxicology, Armed Forces Institute of Pathology, 1413 Research Boulevard, Building 102, Rockville, Maryland 20850 3125, USA
    J Anal Toxicol 29:652-7. 2005
    ..The method allows for a simple and accurate quantitation and isomeric determination of amphetamine and methamphetamine using a process that eliminates extraction and derivatization complications common in current methods...