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1.
The glucuronide conjugation is a minor pathway of ethanol metabolism. The determination of ethyl glucuronide (EG) in serum and urine has gained importance in forensic and other legal decisions. To prospectively calculate the serum concentration of this non-oxidative ethanol metabolite, the computer program developed includes a parameter fitting routine. Multiple ethanol doses can be handled.The mathematical modeling was based on the following assumptions and simplifications, respectively. A single enzyme system is responsible for ethanol conjugation at one distinct site; the distribution of EG into the systemic circulation is delayed; the elimination of EG follows first-order kinetics.The concentration of EG was calculated using three kinetic parameters: a rate constant for the first-order formation of EG from serum ethanol, a transfer constant for an obstructed transfer of EG from the formation site (FS) into the central compartment (CC) and an exponential elimination constant.The program was applied to the data collected from 21 drinking experiments. The fitting algorithm optimized the three kinetic parameters, until the sum of concentration error squares of the data points was minimized. The means+/-standard deviation of the rate constant for the first-order formation of EG from serum ethanol was 0.0011+/-0.0006 h(-1), the transfer constant for an obstructed transfer of EG from the FS into the CC was 0.43+/-0.1996 h(-1) and the exponential elimination constant was 3.0+/-1.45 h(-1).Using the range of these parameters, it is now possible to calculate minimum and maximum serum concentrations of EG based on ethanol doses and drinking times. The comparison of calculated and measured concentrations can prove the plausibility of an alleged ethanol consumption. This can be crucial when the serum ethanol concentration (SEC) itself is not meaningful. 相似文献
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Ass. iur. Holger Wöckel 《Natur und Recht》2008,30(1):32-34
Zusammenfassung Nur selten schafft es eine verwaltungsgerichtliche Entscheidung an die erste Stelle der ARD-Tagesschau um 20 Uhr. Dem Urteil
des BVerwG vom 27.9.2007 ist das gelungen. Es liefert die Antwort auf eine Frage, die sich mancher TV-Zuschauer und Zeitungsleser
seit der ersten H?lfte des Jahres 2005 gestellt haben mag. Einer aufgeregten Medienberichterstattung war damals zu entnehmen,
dass der gerade verbindlich gewordene Feinstaubgrenzwert vielerorts überschritten werde und davon Betroffene Erkrankungen
des Herz-Kreislauf-Systems und der Atemwege, ja sogar eine Verkürzung ihrer Lebenserwartung zu befürchten h?tten. Die Frage
die sich stellte: Was kann ein Betroffener dagegen unternehmen? 相似文献
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This paper investigates why the effectiveness of works councils varies across firms. Drawing on a large body of literature on justice in organizations, and on the basis of the premise of methodological individualism, we present the groundwork for a justice-based theory of workplace codetermination. The theory focuses on workers' attitudes toward justice in organizations, the structural reasons behind these attitudes, and their consequences for the effectiveness of codetermination. Results from a qualitative employee survey in four German firms provide first empirical support for the theory presented. 相似文献
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Holger Stichnoth 《Public Choice》2012,151(3-4):631-654
Using data from the 1997 and 2002 waves of the German Socio-Economic Panel and from official statistics, I study whether natives are less supportive of state help for the unemployed in regions where the share of foreigners among the unemployed is high. Unlike previous studies, I use individual-level panel data, which allows a more convincing identification of a causal effect. I find that the negative bivariate association is mainly driven by observed individual differences, such as East German origin or income. While there remains some evidence of a negative association even after adjusting for observed and unobserved individual differences, the association is relatively weak. 相似文献
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Arndt T Guessregen B Hallermann D Nauck M Terjung D Weckesser H 《Forensic science international》2008,175(1):27-30
Background
Carbohydrate-deficient transferrin (CDT) is the most specific serum marker of chronic alcohol abuse so far. There is little knowledge about extreme CDT values of >20% and the more >30% CDT.Methods
Serum CDT/transferrin ratios from 19,236 serum samples sent to our laboratory for routine CDT analysis were determined by HPLC. About 75% of these serum samples were from traffic or employment medicine investigations. A CDT value frequency histogram was computed and extreme CDT values were clinically validated.Results
Fourteen thousand four hundred and sixty-one CDT results were normal (≤1.7%) and 4775 increased (1.8–36.9% CDT). Most frequent normal and increased results were 0.9% CDT (n = 1964) and 1.8% CDT (n = 356). CA. 70% of the pathological results were between 1.8% and 5.0% CDT, ca. 88% between 1.8% and 10.0% CDT, and 98% between 1.8% and 20.0%. CDT values >20.0% appeared in 79 cases and results >30.0% in two cases (33.8% and 36.9%). In each case of CDT values >20%, chronic alcohol abuse was the underlying cause as confirmed by anamnestic exploration.Conclusions
CDT/transferrin ratios are usually <20%. Higher values can appear in rare cases. CDT results >30% can be due to alcohol abuse but should be considered as remarkable single observations. Visualization of the transferrin isoform patterns by HPLC allows the detection of pathological transferrin isoform patterns and of genetic transferrin variants. This is essential for a reliable interpretation of (extreme) CDT values. CDT analysis by immunoassays without physico-chemical confirmatory analysis is no longer acceptable. 相似文献8.
This paper presents the long-run equilibrium and developmentdynamics in the neoclassical growth model and a simple modelof endogenous growth when property rights are absent. Theresults are compared to the outcome in a corresponding modelwith secure property rights. The main findings are that thereexists a considerable gain in level and growth of consumptionfrom establishing secure property rights, that economicperformance without property rights worsens with an increasingnumber of competing social groups, and that the existence orabsence of property rights explains conditional convergence. 相似文献
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Laberke PJ Wiprächtiger N Wittig H Hausmann R Balitzki B 《Archiv für Kriminologie》2011,227(5-6):181-187
The presented case report describes the exclusion of the suspect of a sexual offence by means of methods of molecular genetics. Pretests for prostate-specific antigen performed at the beginning of the investigation and cytological sperm tests were negative. Nevertheless, by combining the methods of differential lysis and DNA quantification a small number of spermatozoa could be demonstrated in the trace evidence. Subsequently, the profile of the woman's boyfriend, with whom she had had unprotected vaginal intercourse two days before the incident, could be detected in the fraction of the hard lysis. 相似文献
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Five cases of death from an internal cause are described in which bleeding into the muscles of the neck, the region of the shoulder girdle, the back of the thorax and partly the arms occurred during agony. As the cause of death was unclear at first and a violent crime could not be ruled out, a forensic autopsy was ordered in the course of which hemorrhages were detected which raised the differential diagnostic question whether extravasation might have been caused by an impact of blunt force. However, thorough investigation of the macroscopic and especially the microscopic structure of the lesions provided clear evidence that all the hemorrhages were due to internal causes. The pattern of these muscular lesions suggests intensified breathing with dyspnea leading to ruptures of the accessory respiratory muscles. Intramuscular bleedings of this type are a well-known phenomenon in legal medicine in connection with death by drowning, but have not been described in the medicolegal literature in cases of natural death from an internal cause so far. 相似文献