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211.
Maristela Ocampos Roberto Cid Fernandes Ana Frederica Sutter Latorre Cludia Maria Dornelles da Silva Fabíola Pozza Korndorfer Adriana de Carvalho Giamarusti Maria Elizabeth Menezes 《Forensic Science International: Genetics Supplement Series》2009,3(4):e129-e131
Allele frequencies for 15 short tandem repeats (STR) loci were determined with a sample of 3000 unrelated individuals from the population of Santa Catarina, Southern Brazil. The loci are most commonly used in forensic and paternity testing, being analyzed by the Powerplex 16 (Promega) commercial kit. The data shows that most polymorphic loci were Penta E and FGA. The distributions of the genotypes in the evaluated loci are in Hardy–Weinberg equilibrium. Comparative analyses between our population data and other Brazilian populations are presented. The calculated forensic parameters showed that the loci are useful for the solution of forensic problems in Brazilian Southern region. 相似文献
212.
Armanda P. M. Matos Cristina C. Vieira João Amado Teresa Pessoa Maria José D. Martins 《Journal of school violence》2018,17(1):123-137
This study examined the extent and nature of cyberbullying in 23 Portuguese schools. A sample of 3,525 sixth-, eighth-, and eleventh-grade students completed a self-response questionnaire assessing their perceptions and experiences of cyberbullying. The findings showed that 7.6% of students have been victimized, and 3.9% have bullied others at least once over the last year. The incidences of victimization were higher for females and for the older students. In contrast, more boys reported having bullied others in the eleventh grade. The most frequent medium of cyberbullying was via websites, whilst sending offensive messages was the most widely reported type of behavior. Telling someone about cyberbullying is among the most frequent coping strategies used by cybervictims, who usually chose to tell their friends rather than adults. Implications of these findings for students, schools, and parents are discussed. 相似文献
213.
High‐Resolution Melting (HRM) of Hypervariable Mitochondrial DNA Regions for Forensic Science
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Alípio dos Santos Rocha M.Sc. Isis Salviano Soares de Amorim M.Sc. Tatiana de Almeida Simão Ph.D. Adenilson de Souza da Fonseca Ph.D. Rodrigo Grazinoli Garrido Ph.D. Andre Luiz Mencalha Ph.D. 《Journal of forensic sciences》2018,63(2):536-540
Forensic strategies commonly are proceeding by analysis of short tandem repeats (STRs); however, new additional strategies have been proposed for forensic science. Thus, this article standardized the high‐resolution melting (HRM) of DNA for forensic analyzes. For HRM, mitochondrial DNA (mtDNA) from eight individuals were extracted from mucosa swabs by DNAzol reagent, samples were amplified by PCR and submitted to HRM analysis to identify differences in hypervariable (HV) regions I and II. To confirm HRM, all PCR products were DNA sequencing. The data suggest that is possible discriminate DNA from different samples by HRM curves. Also, uncommon dual‐dissociation was identified in a single PCR product, increasing HRM analyzes by evaluation of melting peaks. Thus, HRM is accurate and useful to screening small differences in HVI and HVII regions from mtDNA and increase the efficiency of laboratory routines based on forensic genetics. 相似文献
214.
Júlia de A. Leite Marcos V.L. de Oliveira Raphael Conti Warley de S. Borges Thalles R. Rosa Paulo R. Filgueiras Valdemar Lacerda Wanderson Romão Álvaro C. Neto 《Science & justice》2018,58(5):355-365
Marijuana, a drug derived from the Cannabis sativa L. plant, is the world's most consumed illicit drug. In this paper, a total of 156 marijuana samples seized in the state of Espírito Santo (ES), Brazil were studied and analysed by proton nuclear magnetic resonance (1H NMR) spectroscopy to identify the major cannabinoids present. A crude extract of all samples was purified using high performance liquid chromatography so that these compounds could serve as reference substances. Nine fractions were obtained and analysed by 1H NMR and gas chromatography–mass spectrometry (GC–MS), with five presented cannabinoids. ?9-THC (Δ9-trans-tetrahydrocannabinol), ?9-THCA (?9-tetrahydrocannabinolic acid), ?8-THC (?8-tetrahydrocannabinol), 11-hydroxycannabinol, CBV (cannabivarin), and CBN (cannabinol) were found, and their chemical structures were confirmed by GC–MS. The latter compound was obtained with high purity (≈100%), while the others were obtained as less complex mixtures with purity higher than 75% (except for Δ8-THC). Principal component analysis (PCA) was used on the 1H NMR spectra of the 156 samples, and it was found that the samples were grouped according to the months, differentiating into two groups (from July 2014 to January 2015 and from February 2015 to July 2015), where non-grouping was observed from four macro-regions of the ES state (North, Central, Metropolitan, and South). The chemical profile of the seized samples was correlated to the 1H NMR spectrum of an isolated CBN sub-fraction, in which the group formed by samples seized in the year 2015 presented lower CBN content in the chemical composition. From the PCA score plot, two groups of samples were confirmed using the partial least squares discriminant analysis and orthogonal projections to latent structures classification methods. 相似文献
215.
The migration system in the Persian (Arabian) Gulf is among the largest such systems in the world. This article identifies the major interacting elements of this system, which primarily includes countries in South Asia and the Middle East, and discusses its generating forces and developments over the past five and a half decades. Departing from panel data from the World Bank and the UN’s population database, which hitherto have been largely under-analysed, we investigate the dynamics of migrations in the period 1960–2013. The panel data are combined with cross-sectional outlooks of contemporary trends and are related to political and economic developments in the region. It is suggested that the patterns of migrations in the Gulf may be explained with reference to the economic, political and demographic idiosyncrasies of the system, and to the migration policies of the GCC countries. In short, the key drivers of GCC migration patterns include: (1) socio-economic realities, in particular income differentials between migrant senders and migrant receivers as well as impressive growth rates in the Gulf region; (2) historical, cultural and institutional proximity among the constituent states in the system; and (3) the particularities of the Gulf states’ liberal labour-migrant regimes, which contrast starkly with their restrictive refugee and naturalisation policies. 相似文献
216.
217.
Paulo Vieira-Pinto JoséIgnacio Muñoz-Barús Tiago Taveira-Gomes Maria João Vidal-Alves Teresa Magalhães 《法庭科学研究(英文)》2022,7(1):53
Intimate partner violence(IPV)is simultaneously assumed as a serious crime and a major public health issue,having recurrences as one of its main characteristics and,consequently,re-entries of some alleged offenders in the criminal justice system(CJS).The main goal of this study is to assess if in cases of female victims of IPV,violence decreases after the first entry of the alleged offender in the CJS.A retrospective study was performed based on the analysis of police reports of alleged cases of IPV during a 4-year period.The final sample(n=1488)was divided into two groups according to the number of entries in the CJS(single or multiple)followed by a comparative approach.Results suggest that violence decreases after the first entry of alleged offenders in the CJS.Re-entries were found in only 15.5%of the cases but they were accountable for 3.3 times more crimes on average.Besides,victims of recidivism presented more injuries and required more medical care.Thus,a small group of alleged offenders seems to be more violent and accountable for most of the IPV crimes registered in the CJS suggesting that regardless of legal sanctions aiming to deter violence,these measures may not be enough for a certain group of offenders.This study sustains the need for a predictive model to quantify the risk of repeated IPV cases within the Portuguese population. 相似文献
218.
Jo Easton 《The Political quarterly》2018,89(2):246-253
The government is currently implementing an ambitious agenda of reforms to transform the justice system of England and Wales. The stated aim is to improve efficiency, primarily by utilising technology and bringing processes online where possible. The speed and ambition of the programme has led to concerns that the drive for efficiency is coming at the expense of ensuring a fair and effective justice system. This article suggests that the fundamental principles underpinning our justice system are at risk of being lost in the push for increased efficiency. It focuses on two specific proposals: increasing the use of video links, thus moving to virtual hearings as the default position for the majority of cases; and of automating the conviction process in certain criminal cases. It is argued that both proposals undermine the role of an independent judiciary in making fair and transparent decisions. 相似文献
219.
东北亚安全合作机制国际研讨会主要观点 总被引:6,自引:0,他引:6
“东北亚安全合作机制”国际研讨会于2005年8月3-4日在北京召开。会议由中国现代国际关系研究院与福特基金会共同主办,来自中、美、俄、日、韩、朝六国的20多位专家学者,围绕传统同盟关系、六方会谈、双边关系、非传统安全、经济合作与东北亚安全合作,以及建立东北亚安全合作机制的困难和方案等议题进行了广泛、深入的探讨。现将会议一些主要观点摘要选登如下,以飨读者。 相似文献
220.