Buscar
Itens para a visualização no momento 11-20 of 40
Atividade da delta aminolevulinato desidratase sangüínea e o estresse oxidativo em pacientes hemodialisados
(Universidade Federal de Santa Maria, 2007-03-09)
The acid aminolevulinato dehydratase (δ-ALA-D) is a thiol enzyme involved in tetrapirrólicos composite biosynthesis, as heme. This enzyme is inhibited by some metals, having been also its inhibition a pointer of poisoning ...
Vitamina C plasmática está negativamente associada com a atividade das aminotransferases em pacientes com hepatite C não tratados
(Universidade Federal de Santa Maria, 2007-04-20)
In this study, the possible relationship between aminotransferase activities and markers of oxidative stress in hepatitis C patients was evaluated. Patients with HCV
(hepatitis C virus) infection confirmed by positive HCV ...
Dimensões corporais e reprodução de pequenos mamíferos do Maciço do Urucum, MS, Oeste do Brasil
(Universidade Federal de Santa Maria, 2007-04-13)
The research main goal was to obtain data and analyze the morphology and reproduction of small mammals. Since little data is available, it was analyzed the relation
between small mammals body structure (dimensions) and ...
Efeito do mercúrio no estresse oxidativo, na atividade da delta-ala-d e no crescimento de plântulas de pepino
(Universidade Federal de Santa Maria, 2007-02-01)
In this study, the effects of mercury (HgCl2) in cucumber seedlings (Cucumis sativus L.) were investigated through the analysis of the physiological and biochemical parameters. The biochemical parameters analyzed were: the ...
Hidrolise de nucleotideos da adenina em pacientes com meningite asseptica e bacteriana
(Universidade Federal de Santa Maria, 2007-11-30)
The meningitis is a serious inflammatory illness of meninges, the membranes that recover and protect encephalo and the spinal cord. The main causing agents of the meningitis are the viruses and the bacteria. Some works ...
Predação de ninhos da tartaruga tigre-d.água, Trachemys dorbigni (Duméril & Bibron, 1835) (Emydidae), no extremo sul do Brasil
(Universidade Federal de Santa Maria, 2007-02-16)
Nests of the Brazilian slider turtle, Trachemys dorbigni, were monitored to
evaluate predation rates and the variation in time on these rates; to identify predator
species and its importance to nest destruction; and to ...
Disseleneto de difenila: um organocalcogênio com baixa toxicidade em não roedores e importantes propriedades anti-aterogênicas em modelos in vivo e in vitro
(Universidade Federal de Santa Maria, 2007-06-01)
Atherosclerosis is a chronic inflammatory condition associated with an overproduction of oxidant species. Since low density lipoprotein (LDL) oxidation plays a key role in the pathogenesis of atherosclerosis, antioxidants ...
Influência do tipo de membrana de hemodiálise e da sua reutilização nos marcadores de estresse oxidativo
(Universidade Federal de Santa Maria, 2007-07-02)
The effects of the dialysis membranes, hemodialysis (HD) session, and dialyzer reuse on markers of oxidative stress were studied. Patients with end stage renal disease who have undergone regular HD treatment three times a ...
Parâmetros metabólicos e íons plasmáticos de piavas (Leporinus obtusidens) expostas a diferentes níveis de oxigênio dissolvido e amônia
(Universidade Federal de Santa Maria, 2007-01-13)
Piava juveniles (7-13 cm; 25-30 g) were exposed to different NH3 (mg L-1): 0.003 (control), 0.1, 0.3, 0.7, 1.4, and dissolved oxygen levels (mg L-1): 1.0, 2.0, 3.0, 4.0, and 6.0, for 4 days (96h). Na+, K+, Cl-, and NH4
+ ...
Avaliação dos marcadores do estresse oxidativo em indivíduos suplementados com ferro e ácido ascórbico
(Universidade Federal de Santa Maria, 2007-02-13)
Iron is an essential nutrient for cellular activities including oxygen transport, electron transfer, and gene regulation. However, iron is potentially toxic via its redox reactions which generate reactive oxygen species ...