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21.
Glucose phosphate isomerase (GPI) variants occurring in human red cells were also demonstrated in human semen. Phenotyping was possible from bloodstains of 6 weeks storage and seminal stains of 12 weeks storage. The GPI system may be a supplemental tool for medicolegal individualization of seminal stains. 相似文献
22.
A simple and sensitive assay for the cannabinoids is presented using a dabsylation procedure. Dabsyl derivatives of delta 9-tetrahydrocannabinol (delta 9-THC) and cannabinol (CBN) were prepared by reacting with 4-dimethylaminoazobenzene-4'-sulfonyl chloride (dabsyl chloride) in acetone in the presence of sodium carbonate-sodium bicarbonate buffer (pH 10). Crystalline dabsylcannabinoids gave intense absorption in the visible region. With these derivatives, analysis by thin-layer chromatography (TLC) and high performance liquid chromatography (HPLC) were tested. These techniques gave good separation and nanogram detection of dabsyl-THC and -CBN by using n-hexane-ethyl acetate-diethylamine (20:5:1) for TLC and MeOH--H2O (95:5) at 450 nm for HPLC. 相似文献
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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
25.
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
28.
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