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Itens para a visualização no momento 21-30 of 104
A influência do processo inflamatório nas convulsões e no déficit cognitivo induzidos pelo ácido glutárico em ratos jovens
(Universidade Federal de Santa Maria, 2011-02-04)
Glutaric acidemia type I (GA-I) is an inborn error of metabolism (EIM), characterized biochemically by major accumulation of glutaric acid (GA) and pathologically by a characteristic striatal degeneration. The clinical ...
Avaliação toxicológica de compostos orgânicos de telúrio sobre o desenvolvimento pré-natal em camundongos
(Universidade Federal de Santa Maria, 2011-03-25)
It is known that most chemical agents readily cross the placenta and thus may be considered that maternal exposure to external agents can result in toxic effects on embryo-fetal organism. Considering the chemical characteristics ...
Investigação da atividade antioxidante in vitro e da composição química de diferentes extratos de plantas medicinais
(Universidade Federal de Santa Maria, 2011-03-18)
Oxidative stress (OS) is involved in the development of several disorders involving the central nervous system, such as Alzheimer s disease (AD). Considering the limitations of current therapeutics for AD, there is still ...
Os processos de ovulação e reinício da meiose oocitária são mediados pela interação entre angiotensina ii, progesterona e prostaglandinas
(Universidade Federal de Santa Maria, 2011-02-28)
Angiotensin II (AngII), progesterone (P4) and prostaglandins (PGs) are essential for ovulation
of a fertile oocyte. This study sought to understand how these factors are linked together during the ovulatory process. To ...
Envolvimento do sistema da tiorredoxina nas alterações induzidas pelo chumbo in vitro e in vivo: implicações na toxicidade do chumbo
(Universidade Federal de Santa Maria, 2011-11-30)
Oxidative stress is an important molecular mechanism of lead (Pb) toxicity. The thioredoxin
system (selenoenzyme thioredoxin reductase-TrxR, thioredoxin protein- Trx and NADPH) is essential
for the antioxidant defense ...
Modelagem do escoamento, da produção de sedimentos e da transferência de fósforo em bacia rural no sul do Brasil
(Universidade Federal de Santa Maria, 2011-03-01)
Areas under intensive tobacco crop cultivation have been impacting the water
balance and increasing soil erosion in Southern Brazil. Application of large amounts
of mineral fertilizers, higher than the ...
Planejamento do uso do solo em unidades de produção familiar produtoras de fumo: limites e possibilidades para a superação de conflitos agroambientais
(Universidade Federal de Santa Maria, 2011-07-18)
The occupation of forest ecosystems in mountainous region of the Rio Grande do Sul state occurred with the
establishment of agriculture and livestock at small family production units (FPU). Qualitatively and
quantitatively ...
Zoneamento pedoambiental da erva mate Ilex paraguarensis para o município de Erechim - RS
(Universidade Federal de Santa Maria, 2011-08-31)
The aim of this study is to propose information that can help the pedoenvironmental zoning of
Ilex paraguariensis St. Hil for the county of Erechim, identifying, with the aid of
geoprocessing techniques, the areas with ...
Mapeamento digital de solos: Metodologias para atender a demanda por informação espacial em solos
(Universidade Federal de Santa Maria, 2011-11-07)
Soil has increasingly being recognized as having an important role in ecosystems as
well as for food production and global climate regulation. For this reason, the demand for
relevant and updated information on soil is ...
Seleção de famílias de feijão baseada em caracteres agronômicos e da qualidade nutricional
(Universidade Federal de Santa Maria, 2011-08-19)
The common bean is a basic food of Brazilian diet, with great importance in many regions of the country because of economic and/or nutritional reasons. Genetic variability related to the grain yield, morphologic, phenologic ...