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941.
The authors have performed a study of single-vehicle crashes (SVCs) in order to verify a correlation between the loss of vehicle control and the presence of drugs in the body. Overall, 129 cases were recorded and occurred in the catchment area of the Institute of Legal Medicine in Milan between 1986 to 1996. Among the 129 cases under study, respectively 121 men and eight women, 101 were car-drivers and 28 motor-cyclists. The median age was equal to 29 years, while the average age to 32.0 years (range 15-65 years). Fifty eight cases (45.0%) were "positive" for the presence of ethanol > or = 0.8 g/l or other drugs. The sample of "positive cases" was studied according to sex, age, day, hour and type of vehicle. Considering the cases with presence of ethanol, although under the legal limit (20 cases), the total amount of cases (78) becomes even more consistent. The amount of ethanol was found to be respectively 0.34 g/l in daily drivers and 0.87 g/l in nightly drivers (p < 0.01). Our considerations confirm the importance of toxicological analyses in the forensic investigation of traffic deaths being the sample under study recorded following criteria which minimised other possible factors effecting road accidents. 相似文献
942.
943.
A rapid method for isolation of various benzodiazepines from human samples with Sep-Pak C18 cartridges before wide-bore capillary gas chromatography is described. The drugs dissolved in alkaline samples were directly applied to the cartridges and eluted with hexane/isopropanol (9:1). The recoveries were excellent for all drugs in urine samples, but were somewhat lower for some drugs in plasma samples. The latter problem could be easily circumvented by using a deproteinization process before their application to the cartridge. We can recommend the Sep-Pak C18 cartridges for isolation of benzodiazepines because of their simplicity and rapidity. 相似文献
944.
945.
Financial derivatives represent a new technology for the financial services sector. Large and widely publicized financial
losses by end users of financial derivatives (e.g., Barings Bank, Procter and Gamble) may be attributed to two major problems
in transferring this technology from derivatives dealers to derivatives users: (1) valuation of derivatives; and (2) control
systems to manage this new financial technology. Some effective solutions to these problems are being developed by private
standard setting organizations and private firms; these solutions can be viewed in terms of non-product standardization and
product standardization, respectively. The effectiveness of these solutions in facilitating technology transfer comes from
involvement of all stakeholders (e.g., dealers; users; private standard setters; government regulators).
The authors with to thank Dr. Francis W. Wolek, Professor of Management at Villanova University, for reading an earlier draft
of this paper. The authors are also grateful to Dr. Albert Link and the anonymous reviewers for thier helpful comments. 相似文献
946.
A model that is based on the knowledge of experienced investigators in the analysis of serial crime is suggested to bridge a gap between technology and methodology. Its purpose is to provide a solid methodology for the analysis of serial crimes that supports decision making in the deployment of resources, either by guiding proactive policing operations or helping the investigative process. Formalisation has helped to derive a computerised system that efficiently supports the reasoning processes in the analysis of serial crime. This novel approach fully integrates forensic science data. 相似文献
947.
948.
An extremely simple qualitative method for identification of seminal stains based on high levels of zinc in human semen is described. It uses reaction of 1-(2-pyridylazo)-2-naphthol with zinc to develop a deep red color. The data are presented on the sensitivity, stability and specificity of the present method. We can recommend it for identification of human semen especially in old or denatured samples. 相似文献
949.
950.