• Publications
  • Influence
Genotyping for DQA1 and PM loci in urine using PCR-based amplification: effects of sample volume, storage temperature, preservatives, and aging on DNA extraction and typing.
Urine is often the sample of choice for drug screening in aviation/general forensic toxicology and in workplace drug testing. In some instances, the origin of the submitted samples may be challengedExpand
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Simultaneous analyses of cocaine, cocaethylene, and their possible metabolic and pyrolytic products.
A method was developed for simultaneously analyzing cocaine (COC), benzoylecgonine (BZE), norbenzoylecgonine (BNE), norcocaine (NCOC), ecgonine (ECG), ecgonine methyl ester (EME),Expand
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Prevalence of drugs and alcohol in fatal civil aviation accidents between 1994 and 1998.
BACKGROUND The use of drugs and alcohol in aviation is closely monitored by the FAA Office of Aviation Medicine's (OAM's) Civil Aeromedical Institute (CAMI) through the toxicological analysis ofExpand
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  • Open Access
Accurate assignment of ethanol origin in postmortem urine: liquid chromatographic-mass spectrometric determination of serotonin metabolites.
Toxicological examination of fatal aviation accident victims routinely includes analysis of ethanol levels. However, distinguishing between antemortem ingestion and postmortem microbial formationExpand
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Enantiomeric determination of ephedrines and norephedrines by chiral derivatization gas chromatography-mass spectrometry approaches.
Concerned with variations in abuse potential and control status among various isomers of ephedrines and norephedrines, this study was conducted to develop an effective method for the simultaneousExpand
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  • Open Access
Blood carbon monoxide and hydrogen cyanide concentrations in the fatalities of fire and non-fire associated civil aviation accidents, 1991-1998.
Blood samples submitted to the Civil Aeromedical Institute (CAMI) from aviation accident fatalities are analyzed for carbon monoxide (CO), as carboxyhemoglobin (COHb), and hydrogen cyanide, asExpand
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  • Open Access
Drugs and Alcohol Found in Fatal Civil Aviation Accidents Between 1989 and 1993.
The Civil Aerospace Medical Institute (CAMI) conducts toxicology tests on aviation accident victims to determine the effects of drugs on performance and identify the extent to which drugs and alcoholExpand
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Utilizing the urinary 5-HTOL/5-HIAA ratio to determine ethanol origin in civil aviation accident victims.
Specimens from fatal aviation accident victims are submitted to the FAA Civil Aerospace Medical Institute for toxicological analysis. During toxicological evaluations, ethanol analysis is performedExpand
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Preparation of carboxyhemoglobin standards and calculation of spectrophotometric quantitation constants.
A method was developed for the preparation of carboxyhemoglobin (COHB) standards, which were stable for more than four months with the prepared control remaining within acceptable limits during thisExpand
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Distribution and optical purity of methamphetamine found in toxic concentration in a civil aviation accident pilot fatality.
Toxicological evaluation of postmortem samples collected from a pilot involved in a unique fatal civil aircraft accident is described in this paper. A one-occupant airplane was substantially damagedExpand
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  • Open Access