Whole Blood-plasma-oral Fluid Ratios of Psychoactive Drugs and Medicines

14:02 EDT 21st August 2014 | BioPortfolio


The aim of this study is to get new information on the whole blood-plasma-oral fluid ratios of psychoactive drugs which are encountered in traffic.

Samples are taken from drivers suspected of being under the influence of drugs or medicines. The samples are analysed with immunological methods and GC-MS.

Observations from Police and a physician on impairment are combined with the results of the different bodily fluids. Observational evaluations and substance concentrations are compared.

Study Design

Observational Model: Case Control


Driving Under the Influence


National Public Health Institute




National Institute for Health and Welfare, Finland

Results (where available)

View Results


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Medical and Biotech [MESH] Definitions

The effect of environmental or physiological factors on the driver and driving ability. Included are driving fatigue, and the effect of drugs, disease, and physical disabilities on driving.

Government required written and driving test given to individuals prior to obtaining an operator's license.

Physiologically, the opposition to flow of air caused by the forces of friction. As a part of pulmonary function testing, it is the ratio of driving pressure to the rate of air flow.

Consideration and concern for others, as opposed to self-love or egoism, which can be a motivating influence.

The deliberate attempt to influence attitudes and beliefs for furthering one's cause or damaging an opponent's cause.

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