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101.
Fabian Engelbertz Joanna B. Korda Udo Engelmann Markus Rothschild Sibylle Banaschak 《Forensic science international》2010,194(1-3):15-19
Many scientists of varying clinical backgrounds have described the phenomenon of spermaturia in animals, adolescents as well as fertile and infertile men. Nevertheless, research for an expert opinion on a law case in the field of forensic medicine revealed a lack of valid information about the longevity of spermatozoa in post-ejaculatory urine (PEU) of fertile men.Our goal was to measure the appearance of vivid sperm in PEU while considering the factor of time in order to predict a realistic interval, in which positive sperm findings might occur. Therefore ten healthy, young men donated their sperm for fertility analysis and a urine sample prior to and after ejaculation. The time intervals between ejaculation and the first micturition were preset ranging between 30 min and maximal 11 h. Each ejaculate underwent a semen analysis. The pre- and post-ejaculatory urine samples were screened for the presence of viable and motile spermatozoa. Semen parameters were determined and related to the sperm findings in the precipitate of the urine samples. The amount, the viability and motility status of the detected spermatozoa were recorded after each preset time interval.The results showed that none of the 10 participants had sperm in their urine samples prior to ejaculation. The average sperm concentration was 50.1 ± 25.8 million/ml. After a time span of 30 min 59.5% of the first fractions of PEU samples were sperm positive, after 2 and 4 h still 70%, and after 5 h sperm were no longer detected. The last motile spermatozoa could be found after 4.5 h. It seems that remaining sperm in the urethra are washed out with the first micturition in the majority of fertile men, however, the conclusion as to whether sperm findings >5 h after ejaculation are improbable needs to be confirmed by further investigations. 相似文献
102.
Georgios A. Antonopoulos Alexandra Hall Joanna Large Anqi Shen 《Trends in Organized Crime》2017,20(3-4):247-251
This paper provides an introduction to the articles and report excerpts included in the special issue of Trends in Organized Crime on ‘Counterfeiting’. The aim of this special issue is to add to the relatively sparse literature currently available that addresses this expansive and complex criminological phenomenon. In particular, the special issue draws together empirical research findings and theoretical accounts on the organization of the counterfeit trade across a broad spectrum of goods, and highlights a number of issues associated with researching counterfeiting. 相似文献
103.
Nichole MacPhee Anne Savage Nikolas Noton Eilidh Beattie Louise Milne Joanna Fraser 《Science & justice》2018,58(2):109-120
Bows and arrows are used more for recreation, sport and hunting in the Western world and tend not to be as popular a weapon as firearms or knives. Yet there are still injuries and fatalities caused by these low-velocity weapons due to their availability to the public and that a licence is not required to own them. This study aimed to highlight the penetration capabilities of aluminium arrows into soft tissue and bones in the presence of clothing. Further from that, how the type and fit of clothing as well as arrowhead type contribute to penetration capacity. In this study ballistic gelatine blocks (non-clothed and loose fit or tight fit clothed) were shot using a 24 lb weight draw recurve bow and aluminium arrows accompanied by four different arrowheads (bullet, judo, blunt and broadhead).The penetration capability of aluminium arrows was examined, and the depth of penetration was found to be dependent on the type of arrowhead used as well as by the type and fit or lack thereof of the clothing covering the block. Loose fit clothing reduced penetration with half of the samples, reducing penetration capacity by percentages between 0% and 98.33%, at a range of 10 m. While the remaining half of the samples covered with tight clothing led to reductions in penetration of between 14.06% and 94.12%.The damage to the clothing and the gelatine (puncturing, cutting and tearing) was affected by the shape of the arrowhead, with the least damaged caused by the blunt arrowheads and the most by the broadhead arrows. Clothing fibres were also at times found within the projectile tract within the gelatine showing potential for subsequent infection of an individual with an arrow wound.Ribs, femur bones and spinal columns encased in some of the gelatine blocks all showed varying levels of damage, with the most and obvious damage being exhibited by the ribs and spinal column.The information gleaned from the damage to clothing, gelatine blocks and bones could potentially be useful for forensic investigators, for example, when a body has been discovered with no weapons or gunshot residue present. 相似文献
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Much about what used to be termed "disciplinary" investigations and hearings is being revisited in the modern era. Therapeutic jurisprudence enables informed and sensitive awareness to potentially therapeutic and counter-therapeutic effects of both investigations and hearings conducted by medical regulatory authorities. This article analyses key aspects of authorities' processes from the perspective of notifiers/complainants and practitioners. Using developments at the Victorian Medical Practitioners Board as a base, it addresses issues of both investigative procedures and decision-making at formal and informal hearings, as well as the ramifications of re-hearings for the integrity of peer review informed regulation. It argues that where reclamation of practitioners is possible (namely where impropriety is not of the most serious order), there is much that is constructive about a focus upon enhancement of performance and competence levels, rather than the traditional preoccupation with whether registered status needs to be affected as a result of practitioner conduct. 相似文献
109.
Noonan Douglas S. Woronkowicz Joanna Hale Jessica Sherrod 《The Journal of Technology Transfer》2021,46(6):1784-1813
The Journal of Technology Transfer - Higher education institutions (HEIs) represent an enormous density of investment and resources, concentrating infrastructure spending and creating high human... 相似文献
110.
Political agenda-setting studies have shown that political agendas are influenced by the media agenda. Researchers in the field of media and politics are now focusing on the mechanisms underlying this pattern. This article contributes to the literature by focusing not on aggregate, behavioral political attention for issues (e.g., parliamentary questions or legislation), but on Members of Parliament’s (MP) individual, cognitive attention for specific news stories. Drawing upon a survey of Belgian MPs administered shortly after exposure to news stories, the study shows that MPs are highly selective in exploiting media cues. They pay more attention to both prominent and useful news stories, but a story’s usefulness is more important for cognitive processes that are closely linked to MPs’ real behavior in parliament. In other words, aggregate political agenda-setting effects are a consequence of the way in which individual MPs process media information that matches their task-related needs. 相似文献