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排序方式： 共有1850条查询结果，搜索用时 15 毫秒
931.
932.
Pereira L Richards M Goios A Alonso A Albarrán C Garcia O Behar DM Gölge M Hatina J Al-Gazali L Bradley DG Macaulay V Amorim A 《Forensic science international》2006,159(1):43-50
The impact of phylogeographic information on mtDNA forensics has been limited to the quality control of published sequences and databases. In this work we use the information already available on Eurasian mtDNA phylogeography to guide the choice of coding-region SNPs for haplogroup H. This sub-typing is particularly important in forensics since, even when sequencing both HVRI and HVRII, the discriminating power is low in some Eurasian populations. We show that a small set (eight) of coding-region SNPs resolves a substantial proportion of the identical haplotypes, as defined by control-region variation alone. Moreover, this SNP set, while substantially increasing the discriminating efficiency in most Eurasian populations by roughly equal amounts, discloses population-specific profiles. 相似文献
933.
Puente León F 《Forensic science international》2006,156(1):40-50
Fired bullets bear striation marks that can be thought of as a \"fingerprint\" left by the firearm. This new comparison approach is based on an automated extraction of a \"signature\" encompassing the relevant marks from an image. To this end, multiple pictures of the bullet are recorded first by using different illumination patterns, and a high quality image is generated by means of fusion techniques. After a preprocessing, the image intensities are filtered along the striations direction, yielding a compact representation of the marks. A non-linear filter selects the striae of interest. The actual comparison takes place by cross-correlating the signatures obtained this way. Finally, an assessment strategy is proposed to objectively evaluate the performance of the system. As demonstrated with an image database of real bullets, the proposed approach outperforms a state-of-the-art commercial system. 相似文献
934.
Rodríguez-Calvo MS Tourret MN Concheiro L Muñoz JI Suárez-Peñaranda JM 《The American journal of forensic medicine and pathology》2001,22(3):278-284
Myocardial samples of hearts with histologic findings of acute myocardial infarction (group A), sudden coronary deaths without histologic changes (group B), and chronic ischemic heart disease (group C) were analyzed to investigate the appearance of apoptosis in acute and chronic ischemic cardiac disorders. This analysis involved the morphologic detection of DNA strand breaks in myocyte nuclei by the terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) assay and the biochemical determination of DNA laddering in the myocardium using archival formalin-fixed, paraffin-embedded tissue sections of human myocardium. The authors demonstrated that apoptosis of myocardial cells could occur after ischemic myocardial cell injury. In all documented cases of acute myocardial infarction (group A), the infarcted area included extensive presence of both apoptosis and necrosis. In the tissue bordering on and away from the obviously infarcted areas, positive nuclei were intermingled with nonstained normal myocytes. The number of positive nuclei decreased with the distance from the infarction foci. In group B, myocardial samples showed focal or diffuse nuclear positivity of varying degrees for apoptosis, confirming the presence of myocardial ischemic cell death, whereas the histologic diagnosis remained inconclusive. This finding suggests that apoptosis could be used as a marker for acute ischemic injury. In group C, stained nuclei were dispersed with intermingled normal cardiomyocytes. 相似文献
935.
Martínez B Caraballo L Gusmão L Amorim A Carracedo A 《Forensic science international》2005,152(1):79-81
In this work, a sample of 124 unrelated individuals from San Andres Island and Santa Marta City (Colombia) was studied for the nine STRs included in the AmpFlSTR Profiler kit (CSF1PO, D3S1358, D5S818, D7S820, D13S317, FGA, TH01, TPOX and vWA). Although these two populations are geographically apart, San Andres is an Island in the middle of Caribbean Sea (about 480 miles northwest the Colombian mainland) and Santa Marta City located in the coast, exact test showed no differentiation between both population samples (P=0.39445+/-0.0805). Therefore, allele frequencies and parameters of forensic interest were estimated for the global sample. 相似文献
936.
937.
ABSTRACT Applying an innovative conceptual framework this article presents an interdisciplinary re-appraisal of the suffrage movement and its aftermath in Ireland throughout the years 1870–1937. New social movement theory is utilised to consider how, in the words of the Italian sociologist Alberto Melucci ‘the submerged networks of social movements are laboratories of experience’. Going beyond the previously published work of each author, this article uses the sociological lens of ‘laboratories of experience’ to re-analyse aspects of the suffrage movement, female activism and the wider women's movement in Ireland. This application of social movement theory to female networks, their origins, aims and strategies, along with their interconnectedness, provides a more nuanced and detailed understanding of the ‘life-cycle’ of this movement. The article aims to demonstrate how an analysis of network dynamics and application of the concept of ‘latency’ is useful in further understanding the significance, impact and longevity of the women's movement in Ireland. 相似文献
938.
939.
Isabel Rodríguez‐Tejedo 《Public administration review》2012,72(3):376-386
This article investigates the factors that determine the configuration of budget stabilization funds, also known as rainy day funds, along their two most important dimensions: deposit and withdrawal requirements. These funds are created to accumulate savings in order to reduce the impact of adverse fiscal conditions during downturns. The effectiveness of such funds depends greatly on their institutional structure, and yet most states choose configurations that compromise their efficacy. Using multinomial discrete techniques, and introducing the ordered nature of the requirements in the analysis, the results of this study indicate that political and institutional factors such as the size of the house of the legislature and some strict institutions are associated with weak budget stabilization funds, while economic factors such as the volatility of state tax revenues are associated with stricter funds. 相似文献
940.
Malin Hildebrand Karlén Emma Roos af Hjelmsäter Claudia Fahlke Pär Anders Granhag Anna Söderpalm Gordh 《心理学、犯罪与法律》2013,19(2):156-171
Alcohol affects memory in many, and mostly negative, ways. This is a problem in legal contexts as many witnesses are alcohol intoxicated when taking part of the critical event. However, research is sparse regarding how, and under what circumstances, the reports of alcohol intoxicated witnesses differ from those of sober witnesses. This study investigated whether alcohol intoxicated and sober eyewitnesses differ regarding completeness, accuracy, and type of information reported, as well as whether gender influenced these variables. Eighty-seven healthy men (n = 44) and women (n = 43) received either an alcoholic beverage (0.7 g/kg) or a control (juice) in a laboratory setting before viewing a film picturing intimate partner violence. Ten minutes after viewing the film, they were interviewed. Reports by alcohol intoxicated women were less complete, but as accurate, as sober women's. In contrast, intoxicated and sober men did not differ regarding completeness or accuracy. Furthermore, compared with sober women, intoxicated women reported fewer actions but no difference was found between the groups regarding reported objects. At this moderate dose, alcohol affected women's reports more than men's, which may be because alcohol affects attention and memory consolidation more clearly at a lower dose for women than for men. 相似文献