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Interações de cobre e fósforo em acessos de Pfaffia glomerata (Spreng.) Pedersen: efeito no crescimento e rendimento de β-ecdisona
(Universidade Federal de Santa Maria, 2013-03-14)
Pfaffia glomerata (Spregen.) Pedersen stands out as a species of great medical and commercial importance due to its major secondary metabolite β-ecdysone, which content can vary in roots under adverse conditions as nutritional ...
Diversidade e distribuição espacial de Ephemeroptera (Insecta) em riachos do Planalto Sul-rio-grandense, Brasil
(Universidade Federal de Santa Maria, 2015-04-27)
The additive partition diversity has been a promising method to analyze patterns of
diversity in hierarchical studies. Streams are recognized for having a spatial structure
hierarchically organized in increasing scales, ...
Detecção de mecanismos de resistência, propriedades adesivas e capacidade de formação de biofilmes de Klebsiella pneumoniae multirresistentes
(Universidade Federal de Santa Maria, 2013-03-28)
During the last decades, K. pneumoniae has emerged as one of the most clinically significant pathogens, especially due to the high prevalence of strains producing extended spectrum β-lactamases (ESBL) and carbapenemases. ...
Validação de método cromatográfico por exclusão molecular para avaliação de interferon-alfa2a e estudos de correlação
(Universidade Federal de Santa Maria, 2010-09-30)
Human interferon-α2a (hIFN-α2a) is a natural protein produced by the cells of the immune system with antiviral, antiproliferative and immunomodulatory properties. A size exclusion liquid chromatography (SE-LC) method was ...
Efeitos tóxicos do etanol e sua relação com o estresse oxidativo
(Universidade Federal de Santa Maria, 2005-08-12)
Ethanol is one of the most ingested substances among the different societies. So, it becomes target of several studies that intent to elucidate its mechanisms of toxicity. This study was aimed to better understand the link ...
Efeitos do disseleneto de difenila na atividade da enzima δ-aminolevulinato desidratase e em parâmetros bioquímicos de ratos com diabetes mellitus tipo 1
(Universidade Federal de Santa Maria, 2004-07-16)
The hyperglycemia and oxidative stress are factors strongly involved on development of many disorders that characterize the Diabetes Mellitus. It is known that some organic and inorganic selenium compounds are potent ...
Avaliação de parâmetros toxicológicos em piavas (Leporinus sp.) Expostas ao zinco e ao cobre
(Universidade Federal de Santa Maria, 2005-08-19)
The aim of this study was to verify the zinc and copper effects, metals frequently found in aquatic ecosystems, on the metabolism of piavas (Leporinus sp.). In this work, it was verified the average lethal concentrations ...
Efeito da diacereína sobre a febre induzida por suspensão de Saccharomyces cerevisiae e por prostaglandina e2 em ratos jovens
(Universidade Federal de Santa Maria, 2005-06-10)
Fever is a systemic response that results of a cascade of events that usually begins with pathogenic infection. Its development represents an important aspect of host defense that is mediated by the central nervous system. ...
Trichoderma e bradyrhizobium no desenvolvimento e produtividade da soja
(Universidade Federal de Santa Maria, 2018-05-14)
Soy is a very important crop and for success in cultivation, many factors are critical and help increase productivity. One of these factors is the seed treatment, since it aims to ensure the protection of seeds in the soil. ...
Variação espacial e temporal da comunidade fitoplanctônica em uma seção do Reservatório de Passo Real, RS, Brasil
(Universidade Federal de Santa Maria, 2018-03-11)
Phytoplankton is a community of microscopic organisms, of great ecological importance and adapted to several environmental modifications. Ceratium furcoides is a dinoflagellate of the genus Ceratium found in marine habitats ...