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Pujol-Luz JR Francez PA Ururahy-Rodrigues A Constantino R 《Journal of forensic sciences》2008,53(2):476-478
The black soldier-fly (Hermetia illucens) is a generalist detritivore which is commonly present in corpses in later stages of decomposition and may be useful in forensic entomology. This paper describes the estimation of the postmortem interval (PMI) based on the life cycle of the black soldier-fly in a case in northern Brazil. A male child was abducted from his home and 42 days later his corpse was found in an advanced stage of decay. Two black soldier-fly larvae were found associated with the body. The larvae emerged as adults after 25-26 days. Considering the development cycle of H. illucens, the date of oviposition was estimated as 24-25 days after abduction. Since H. illucens usually (but not always) colonizes corpses in more advanced stages of decay, this estimate is consistent with the hypothesis that the child was killed immediately after abduction. 相似文献
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Ururahy-Rodrigues A Rafael JA Wanderley RF Marques H Pujol-Luz JR 《Forensic science international》2008,182(1-3):e19-e22
Taphonomy is the study of many variables involving decomposition, preservation, dispersal, erosion, burial or exposition of dead organisms. Forensic Taphonomy examines how biotic or abiotic variables can change evidences in legal investigations. Many insects are closely associated with decomposition processes. The scavenger dung-beetle, Coprophanaeus lancifer (Linnaeus, 1767), may be important biotaphonomically in the decomposition process of carcasses. Man-size pig carcasses were used as models to examine the decomposition process in the Adolpho Ducke Forest Reserve in central Amazonia. The scavenger dung-beetle has great potential in decomposition and production of post-mortem injuries, including dismemberment and the removal of soil beneath the carcass thereby causing a change in its position. 相似文献
14.
Ana Celeste Ximenes Oliveira Ph.D. Alexandre Leão Ph.D. Karla Balzuweit Ph.D. Livia Siman Ph.D. Oscar Nassif Mesquita Ph.D. Luiz Orlando Ladeira Ph.D. Luiz Alberto Cury Ph.D. 《Journal of forensic sciences》2019,64(6):1867-1872
The optical and morphological properties of resveratrol were investigated. This nontoxic fluorescent natural material, emitting in the visible blue light, was used as an optical marker, enabling the enhancement of the image contrast coming from relief pictures marked on challenging surfaces. By applying appropriated imaging softwares, this marker was verified to be very useful in the latent fingerprint recognition deposited on different wood surface types, mainly those with high level of roughness, where conventional forensic materials do not allow effective fingerprint image visualization. 相似文献
15.
Ali Bitenga Alexandre 《Journal of contemporary African studies : JCAS》2018,36(4):563-574
ABSTRACTThis study explores how traffic police, taxi drivers and anticorruption agencies each perceive corruption in Bukavu in the Democratic Republic of the Congo. Thirteen traffic police officers were interviewed, three focus groups of four to five taxi drivers were conducted, and two members of anti-corruption agencies were interviewed. Findings suggest that while western NGOs and anti-corruption agencies consider corruption immoral and a major barrier to development, both the traffic police and taxi drivers perceive it as a normal expression of solidarity and a sine qua non condition for survival. For them, corruption is a system that provides job security, greater access to food, accommodation, healthcare and education in the dysfunctional and failed Congolese State. This suggests that framing corruption in the transport sector of Bukavu solely as a moral issue and seeking to eliminate it without establishing a new system that effectively meets the needs of the population may result in more serious social problems than the corruption itself. 相似文献
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Alexandre Novo Henrique Lorenzo Fernando I. Rial Mercedes Solla 《Forensic science international》2011,204(1-3):134-138
In the present work we show a forensic case study carried out in a mountainous environment. Main objective was to locate a clandestine grave which is around 10–20 years old and contains human remains of one individual and a metallic tool, probably a pick. Survey design started with an experimental burial of a pick at the expected depth (1 m) as well as the calculation of synthetic radargrams in order to know if the 250 MHz antenna was suitable for its detection and to have a record of the reflection of the pick. Conclusions extracted from the experiments together with rough terrain conditions suggested the use of the 250 MHz antenna which allowed a good compromise between target detection and dense grid acquisition of an extensive survey area. 相似文献
18.
Duband S Govin A Dumollard JM Forest F Basset T Péoc'h M 《Forensic science international》2012,214(1-3):e26-e29
Forensic pathologists are sometimes confronted with microscopic foreign bodies mixed in with soft tissues surrounding wounds and which are thus difficult to identify. This identification, however, could be primordial in investigating a crime and in determining the weapon used. A case of a fatal respiratory distress syndrome due to conjoining suicidal drug intoxication and laryngeal obstruction by a voluminous foreign body giant cell granuloma is presented. The classical histological examination showed exogenous particles in the vocal cord tumor with birefringent qualities. Their analysis with Fourier-Transform infrared (FTIR) spectrometry coupled with infrared microscope allows the determination of their chemical nature as polytetrafluoroethylene and to the diagnosis of teflonoma. This case report put the emphasis on the forensic interest of the FTIR imaging. 相似文献
19.
Alexandre Apsan Frediani 《Development in Practice》2010,20(2):173-187
Amartya Sen's Capability Approach is increasingly influential in the literature of development economics. It has contributed to development discourse by strengthening the multidimensional approach to poverty analysis and stressing the importance of focusing on agency and empowerment. Nevertheless, the Capability Approach has not yet been applied comprehensively beyond development economics. This article assesses the contribution of the Capability Approach to the field of development planning, by comparing it with the rights-based approach (RBA) and the sustainable-livelihoods framework (SLF). The article argues that by focusing on the capability space, power relations, and participation, the Capability Approach has the potential to become a normative framework to radicalise development practices. 相似文献
20.
Nowadays immunoassays are used for the rapid screening of drugs world-wide. Despite the fact that they are a highly valuable tool for the test of legal and illicit drugs, there is a non-negligible risk of false positive and false negative findings, and many pitfalls must be taken into account when using these tests in an uncritical manner and without valid confirmation procedures. In accordance with the committee for "problems of threshold values for medical and addictive drugs" set up by German scientific societies (in particular GTFCh, DGRM and DGVM), immunoassays are recommended as a useful tool for screening. But confirmation analysis with conclusive methods (GC/MS or LC/MS) is indispensable for valid substance identification, discrimination between active and inactive metabolites, detection of escort substances and accurate determination of concentrations in body fluids. 相似文献