Morphology of preimaginal stages of Calliphora vicina Robineau-Desvoidy, 1830 (Diptera, Calliphoridae): a comparative study

A comparative morphological study of preimaginal stages (larvae and pupae) of Calliphora vicina Robineau-Desvoidy, 1830 is presented. The entomological samples came from laboratory colonies bred under controlled environmental conditions (25°C and 60% relative humidity). In this study, a recently published technique to clear Diptera larvae for light microscopy and a standard protocol for scanning electron microscopy were used. For the morphological comparison of larval instars I, II and III, and pupae of C. vicina, different larval regions (cephalic, thoracic and abdominal, including anal division), as well the internal chitinised cephalopharyngeal skeleton, were considered separately. Our results focus on showing the changes observed throughout development for the most important structures in the cephalic region (sensilla of maxillary palpus, antennae and oral ridges), the thoracic region (the first segment and its anterior spinose band) and in the anal division of the abdominal region (posterior spiracles and shape of the papillae). In addition, some morphological structures are described or pictured for the first time, such as the ventral organ and the anterior spiracle of larva I and the antenna sensilla, Keilin's organ and wrinkled area of the anal division of all instars. The cephalopharyngeal skeleton is an important structure for the taxonomy of Diptera larvae in all instars, including Calliphoridae. Our observations in C. vicina indicate that an in-depth review of the sclerite composition is needed. Pupae and larvae stages can only be compared by following the segmentary spinose bands and the anal segment, where the morphology of the posterior spiracles and papillae can be observed, in some cases despite the reduced condition of the latter.     

Voltammetric determination of Δ9-THC in glassy carbon electrode: An important contribution to forensic electroanalysis

Teeth are recently drawing attention for their potential as biological modeling investigation samples due to their ability to be collected and their slow substance metabolism. There is no active metabolism of elements after the completion of dentin. Dentin is surrounded by enamel and cementum, and is not affected by the oral environment. Therefore, the amount of trace elements in dentin may change with age, and this is considered to be a reliable biological load index. The objectives in this study are to demonstrate concentrations of elements in the dentin of healthy Japanese subjects by sex and age, and to reveal the relationship between element levels and age. 121 healthy teeth samples were extracted due to periodontal disease or orthodontic treatment. Each tooth was sliced from the crown to the root apex into 0.5-1mm thickness, then enamel, cementum, and the pulp were removed; the dentins were used as samples. The concentration of 10 trace elements (B, Mn, Co, Cu, Zn, Rb, Sr, Mo, Cd, and Pb) in the dentin was measured using inductively coupled plasma mass spectrometer (ICP-MS). The differences Co and Pb in the dentin between men and women were significant (p<0.01). Significant positive correlation was observed between B, Co, Cu, Zn, Sr and Pb concentrations in the dentin and age (p<0.001). The results of the present study suggest that human dentin is an appropriate substance for relativity with sex and age at further future research.     

The role of alcohol and victim sexual interest in Spanish students' perceptions of sexual assault

Two studies investigated the effects of information related to rape myths on Spanish college students' perceptions of sexual assault. In Study 1, 92 participants read a vignette about a nonconsensual sexual encounter and rated whether it was a sexual assault and how much the woman was to blame. In the scenario, the man either used physical force or offered alcohol to the woman to overcome her resistance. Rape myth acceptance (RMA) was measured as an individual difference variable. Participants were more convinced that the incident was a sexual assault and blamed the woman less when the man had used force rather than offering her alcohol. In Study 2, 164 college students read a scenario in which the woman rejected a man's sexual advances after having either accepted or turned down his offer of alcohol. In addition, the woman was either portrayed as being sexually attracted to him or there was no mention of her sexual interest. Participants' RMA was again included. High RMA participants blamed the victim more than low RMA participants and were less certain that the incident was a sexual assault, especially when the victim had accepted alcohol and was described as being sexually attracted to the man. The findings are discussed in terms of their implications for the prevention and legal prosecution of sexual assault.     

Transferring knowledge in Quebec–Mexico partnerships: the case of the dairy industry

This work seeks to contribute to technology transfer case study literature, by exploring the possibilities of an international trade between Mexico and Quebec in dairy industry under an international agreement??s environment. We report this probable exchange on an exploratory study, based on previous studies made at HEC Montréal at the International Technology Transfer course. This was explored in terms of knowledge and technology transfer, involving an innovative product. We present evidence based on public information and company interviews?? results which, analyzed through a theoretical framework of knowledge and technology transfer, suggests a possible future partnership, involving knowledge transfer. Our results show that, even if the two companies selected have similar cooperative-type structures, they do not behave in similar way. Both enterprises could better complement each other in terms of R&D, marketing, benchmarking, process and entrepreneurial capabilities. Furthermore, our research indicates that both enterprises could better face on industry??s threats in domestic and international competition, which could be used as a basis for further research in international technology transfers.     

The Discursive Resistance to EU-Enticement: The Russian Elite and (the Lack of) Europeanisation

This article explores the discourse of the Russian elite on foreign policy in general and on the European Union in particular, and identifies the main reasons for Russia's resistance to Europeanisation. At a theoretical level, the article builds upon the study of discourse conceived in ‘structural’ terms, and argues that discursive incompatibility at a deeper discursive level prevents the socialisation of elite members to attitudes more sympathetic to Europe at a more superficial level. Methodologically, the research is based on content analysis of major Russian foreign policy documents, presidential speeches and, in particular, of a set of interviews with Russian foreign policy-makers and academics most frequently in touch with the European Union.     

The voter's paradox and the homegeneity of individual preference orders

Errata Sheet

The voter's paradox and the homegeneity of individual preference orders     

Old ‘counter-revolution’, new ‘terrorism’: historicizing the framing of violence in Xinjiang by the Chinese state

ABSTRACT

China has declared a war on terrorism in Xinjiang, identifying violence in the region as a top security threat. However, what nowadays is officially constructed as ‘terrorism’ was framed as ‘counter-revolution’ in the past. Informed by the concept of macrosecuritization and the agenda of critical terrorism studies, this article examines the changing nature of Chinese state framing of violence in Xinjiang. Through a comparative analysis of the discursive construction of the Baren (1990) and Maralbeshi (2013) violent incidents, I find that the terror lexicon has replaced old narratives of counter-revolution to legitimize a sustained crackdown under a novel geopolitical context. The construction of violence in Xinjiang as terrorism, I argue, is contingent, limited and unstable. It marginalizes factors other than an extremist or separatist agency in the incubation of the violence, in particular the frictions created by the crackdown with which the Chinese government is trying to placate the unrest.     

Unexpected sudden death from coronary sinus thrombosis. An unusual complication of central venous catheterization

Coronary sinus thrombosis is an unusual but potentially serious complication of the use of central venous devices. We report a fatal case of coronary sinus thrombosis in relation to a malpositioned central venous catheter. The death occurred very soon following the beginning of symptoms and the cause could not be suspected. Direct trauma of the catheter on the coronary sinus endothelium seems the most probable cause of the thrombosis.