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21.
For a more sensitive detection of paint thinner components in body fluids, we made use of a salting-out technique, with sodium chloride added to blood samples followed by gas chromatography, using the headspace method. The detection of ethyl acetate and isobutanol was considerably enhanced using these approaches. 相似文献
22.
Using high-voltage agarose gel electrophoresis and immunofixation a very slow BF variant was detected in a Japanese person living in Yamanashi district. The family analysis suggested the hereditary occurrence of a new allele, BF*S085. 相似文献
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A rapid and reliable method to analyze lidocaine in biological materials was developed using column extraction method and high performance liquid chromatography (HPLC). Two peaks for lidocaine and procaine as an internal standard (IS) were separated clearly with no interfering peaks appearing in the chromatogram. The annual change of lidocaine caused intoxications was described. From medico-legal aspects, the method was applied to authentic samples from autopsied victims and concentrations of lidocaine in 29 cases were evaluated briefly. 相似文献
25.
Polymorphism of PGD was investigated in bloodstains, organ tissues, dental pulps, hair roots and semen by isoelectric focusing. This technique provided much higher resolution of PGD isoenzymes than starch gel electrophoresis. Phenotyping was possible from bloodstains for 5 weeks, from organ tissues (except pancreas) for 1-3 weeks, from dental pulps for 2 weeks and from hair roots for 2 weeks when they were stored at room temperature. The method is simple, rapid, reliable and therefore useful in medicolegal individualization of bloodstains, organ tissues, teeth and hairs. 相似文献
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Histological findings of the temporal bone in 23 autopsy cases of various asphyxial fatalities were studied. The temporal bones of 12 cases who died of tumors including mammary cancer, gastric cancer, myxoma of heart and craniopharyngioma, the bones of 3 cases of heart attack and the bones of 17 cases who died of various poisoning (barbiturate, amphetamine, paraquat and alcohol) were used as controls. In drowning, the primary finding was hemorrhage in the mastoid air cells of the bilateral temporal bones. In cases of strangulation by ligature, hemorrhage and edema of the cochlear duct in the inner ear as well as hemorrhage in the mastoid air cells were demonstrated bilaterally. In contrast, congestion and edema in the mastoid air cells and inner ear were found in cases of manual strangulation but there was no hemorrhage. From these results, the histological examination of the temporal bone is useful as an adjunct procedure for diagnosing the cause of asphyxia. Differentiation between drowning, strangulation by ligature and manual strangulation may be possible by observing hemorrhages or their absence in the mastoid air cells and inner ear. 相似文献
28.
Koichiro Kimura 《当代中国》2011,20(72):833-847
We have examined the way in which local firms in China's handset industry, confronted with a technology gap, have achieved growth, using the concept of boundaries of the firm. Chinese local firms have lacked technology, and have therefore turned to outside firms for development, design, and manufacturing in some cases. On the other hand, they themselves have focused on sales and marketing, using their advantage of familiarity with the home market. Consequently, by establishing a growth condition in which their selection of boundaries counterbalances the technology gap, they have been able to expand their market shares in comparison with foreign firms. 相似文献
29.
A reliable and sensitive method to analyze thiamylal in biological materials was developed, using gas chromatography/mass spectrometry (GC/MS). A quantitative determination was made by use of mass fragmentography with the lower detection limit of 0.01 microgram/g. Thiopental was used as the internal standard. Distribution of the drug in the blood and body tissues of rats was examined. The method was then used to detect thiamylal in tissues from an autopsied patient and concentration of this drug in the body materials was evaluated, from medico-legal aspects. 相似文献
30.
Shinobu Yamauchi Ph.D. Masahito Hitosugi M.D. Ph.D. Hajime Kimura Shogo Tokudome M.D. Ph.D. 《Journal of forensic sciences》2013,58(4):1022-1025
This paper demonstrates a novel and simple technique for the diagnosis of death by fire using a digital infrared (IR) camera system. At autopsy, the inhalation of soot by a fire victim is a definite indicator proving a vital reaction during the fire. However, there can be difficulties in confirming the presence of soot because of the relative lack of soot or the similarity in color between soot and surrounding tissues. To evaluate the effectiveness of IR imaging at autopsy, we acquired internal images of the respiratory and gastrointestinal system by both an ordinary color and IR cameras. Using our method, the inhaled soot is visible as black particles or deposits, while the blood is transparent and the surrounding tissue is whitened. This technique enables the detection of normally undiscriminating soot in an ordinary color image. This is the first report suggesting the usefulness of IR imaging in forensic autopsy for the diagnosis of death by fire. 相似文献