Damage Identification
Mostrando 37-48 de 237 artigos, teses e dissertações.
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37. Estudo da influência da força de corte em usinagem a verde nas propriedades mecânicas de cerâmicas sinterizadas / Influence of the cutting force of green machining on the mechanical properties of sintered ceramics
The present study deals with the measurement forces of green machining ceramics and their correlation with the mechanical properties after sintering. The green machining is employed in crude compacts either to check raw formats without compromising the extreme dimensional accuracy or to obtain a preform prior to finish machining after sintering, extensively
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 13/01/2012
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38. Genetics of leprosy reactions: an overview
Type-1 (T1R) and Type-2 (T2R) leprosy reactions (LR), which affect up to 50% of leprosy patients, are aggressive inflammatory episodes of sudden onset and highly variable incidence across populations. LR are often diagnosed concurrently with leprosy, but more frequently occur several months after treatment onset. It is not uncommon for leprosy patients to de
Mem. Inst. Oswaldo Cruz. Publicado em: 2012-12
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39. Evaluation of oxidative stress markers and cardiovascular risk factors in Fabry Disease patients
Fabry Disease, an X-linked inborn error of metabolism, is characterized by progressive renal insufficiency, with cardio and cerebrovascular involvement. Homocysteine (Hcy) is considered a risk factor for vascular diseases, but the mechanisms by which it produces cardiovascular damage are still poorly understood. Regarding the vascular involvement in FD patie
Genetics and Molecular Biology. Publicado em: 17/05/2012
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40. Lymphatic fluctuation in the parenchymal remodeling stage of acute interstitial pneumonia, organizing pneumonia, nonspecific interstitial pneumonia and idiopathic pulmonary fibrosis
Because the superficial lymphatics in the lungs are distributed in the subpleural, interlobular and peribroncovascular interstitium, lymphatic impairment may occur in the lungs of patients with idiopathic interstitial pneumonias (IIPs) and increase their severity. We investigated the distribution of lymphatics in different remodeling stages of IIPs by immuno
Brazilian Journal of Medical and Biological Research. Publicado em: 2012-05
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41. Identification of Albizia lebbeck seed coat chitin-binding vicilins (7S globulins) with high toxicity to the larvae of the bruchid Callosobruchus maculatus
Seed coat is a specialized maternal tissue that interfaces the embryo and the external environment during embryogenesis, dormancy and germination. In addition, it is the first defensive barrier against penetration by pathogens and herbivores. Here we show that Albizia lebbeck seed coat dramatically compromises the oviposition, eclosion and development of the
Brazilian Journal of Medical and Biological Research. Publicado em: 2012-02
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42. Overall picture of expressed Heat Shock Factors in Glycine max, Lotus japonicus and Medicago truncatula
Heat shock (HS) leads to the activation of molecular mechanisms, known as HS-response, that prevent damage and enhance survival under stress. Plants have a flexible and specialized network of Heat Shock Factors (HSFs), which are transcription factors that induce the expression of heat shock proteins. The present work aimed to identify and characterize the Gl
Genetics and Molecular Biology. Publicado em: 2012
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43. Avaliação do potencial genotóxico e citotóxico associado a queima artesanal da castanha de caju no Município de João Câmara
The Brazil is the third largest producer of cashew nuts in the world. Despite the social and economic importance of the cashew nut, its production is still carried out artisanally. One of the main problems encountered in the cashew production chain are the conditions under which the roasting of the nut occurs to obtain the kernel from the shell. In the prese
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 14/10/2011
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44. Estudo de métodos de identificação multivariável baseados em subespaços aplicados ao monitoramento da integridade de estruturas / Study of subspace-based identification methods applied to structural health monitoring
Structural Health Monitoring (SHM) is a multidisciplinary research field, which covers techniques, technologies and methods which are essential to perform a continuous and intelligent diagnosis about mechanical structure integrity. The development of structures with improved durability, improved operational safety and reduced maintenance cost are the main re
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/07/2011
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45. Predição e identificação de danos internos em batatas por meio do biospeckle laser / Prediction and identification of potatoes in internal damagethrough the laser biospeckle
Food damages due to mechanical impacts at post harvest different phases are one of the biggest issues faced by food industry. In potatoes, productivity decrease due to impacts and physical damages can get to 40% during processing, storage, transportation and commercialization phases. Intern injuries, or bruising, are one of the biggest factors losses at pota
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 15/06/2011
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46. Mutagênese ambiental: estabelecimento de valores de referência para manguezais da Baía de Ilha Grande / Environmental mutagenesis: establishment of reference valves for mangroves of Ilha Grande Bay
Environmental studies have shown that substances generated by anthropogenic processes can cause adverse effects by interfering with the ecosystem natural balance. Mangroves perform essential functions in biological cycles and are Permanent Protection Area in Brazil. Unfortunately, they are being degraded above its support limit, leading to a reduction of the
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/02/2011
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47. Biomarkers for susceptibility to infection and disease severity in human malaria
Malaria remains a major infectious disease that affects millions of people. Once infected with Plasmodium parasites, a host can develop a broad range of clinical presentations, which result from complex interactions between factors derived from the host, the parasite and the environment. Intense research has focused on the identification of reliable predicto
Memórias do Instituto Oswaldo Cruz. Publicado em: 2011-08
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48. Helicobacter pylori e polimorfismos em enzimas de reparo de DNA e de sÃntese de Ãxido nÃtrico no cÃncer gÃstrico / Helicobacter pylori infection and polymorphisms in DNA repair enzymes and iNOS in gastric cancer
Gastric cancer is the most deadly malignant neoplasia worldwide, with high incidence in Brazil and Helicobacter pylori infection is a well-established risk factor. Depending on the presence of virulence genes such as cagA, cagE, vacA and virB11, H. pylori can cause differentiated inflammatory responses, with large amounts of nitric oxide (NO) generated prima
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 02/08/2010