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Mostrando ítems 11-20 de 110
Estudos do papel do gene Rad51 de tripanossomatídeos na recombinação e no reparo de DNA
(Universidade Federal de Minas GeraisUFMG, 2010-11-09)
Trypanosoma cruzi is the etiologic agent of Chagas disease. This parasite can resist high doses of gamma radiation, a DNA double-strand breakinducing agent. To better understand this process, our group characterized the ...
Estudos fitoquímicos, biológicos e dos efeitos da radiação gama na descontaminação microbiana e na integridade dos princípios ativos das cascas do caule de Luehea Ochrophylla Mart
(Universidade Federal de Minas GeraisUFMG, 2016-12-19)
Luehea ochrophylla (Malvaceae) is a tree known popularly as "açoita-cavalo." Representatives of L. ochrophylla are found in Brazil, Paraguay, and Argentina. In Brazil, Luehea ochrophylla occurs in the North, Northeast, and ...
Efeito da radiação solar no envelhecimento de ligantes asfálticos modificados
(Universidade Federal de Minas GeraisUFMG, 2012-03-02)
The effect of solar radiation on the aging of the asphalt can be considered quite relevant due to the high level of insulation in the Brazilian territory. The objective of this study is to simulate and investigate the aging ...
Desenvolvimento de ligantes asfálticos modificado com lignina como aditivo antienvelhecimento
(Universidade Federal de Minas GeraisUFMG, 2017-10-27)
Asphalt aging is an important problem, and research on anti-aging additives has been carried out to mitigate degradation by the effect of solar radiation. Lignin was selected as an anti-aging additive because of its ...
Remodelagem do sistema computacional para dosimetria em radioterapia por nêutrons e fótons baseado em métodos estocásticos - SISCODES
(Universidade Federal de Minas GeraisUFMG, 2011-02-18)
This work shows the remodeling of the Computer System for Dosimetry of Neutrons and Photons in Radiotherapy Based on Stochastic Methods . SISCODES. The initial description and status, the alterations and expansions (proposed ...
Sistema de informação e processo comunicativo na percepção do risco das radiações ionizantes
(Universidade Federal de Minas GeraisUFMG, 2003-08-19)
This study deals with the perception of modern technology risks, particularly ionizing radiation risks, as a social phenomenon that, from adoption of new life habits to acceptance or rejection of certain technologies, has ...
Influência da adição de lignina no envelhecimento de tinta de demarcação horizontal viária
(Universidade Federal de Minas GeraisUFMG, 2018-12-05)
The appreciation of biomass residues such as lignin has increased in recent years due to their chemical composition that allows the conversion of their macro components into a cost-effective option for usage. The effect ...
Modelos, simuladores, dosimetria e respostas imunológicas radioinduzidas em cintilografia de perfusão do miocárdio
(Universidade Federal de Minas GeraisUFMG, 2014-04-11)
The cardiovascular diseases CVD acquired greater importance during the twentieth century, due to increased life expectancy of the general population. Each year, a large number of individuals have a diagnosis of CVD. Those ...
Doses e risco da radiação em pacientes submetidos a exames de corpo inteiro de 18F-FDG PET-CT para diagnóstico oncológico
(Universidade Federal de Minas GeraisUFMG, 2014-05-29)
Patients submitted to PET-CT examinations might be exposed to radiation levels, higher than those from other diagnostic techniques. The reason is that PET-CT complies two radiation exposures: one from the intravenous ...
Avaliação de parâmetros da qualidade de imagem e dosimetria de pacientes submetidos a exames radiológicos de tórax
(Universidade Federal de Minas GeraisUFMG, 2012-06-21)
Optimization of procedures for obtaining high quality diagnostic images plays an important role for reducing radiation exposures of patients undergoing diagnostic radiology examinations to levels as low as reasonably ...