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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 ...
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 ...
Um novo espécime de Procolophon owen, 1876 (parareptilia, procolophonidae) para o triássico inferior sulbrasileiro
(Universidade Federal de Santa Maria, 2018-02-27)
This dissertation presents information regarding a new skull (CAPPA / UFSM 0189), with mandible in occlusion, ascribed to Procolophon trigoniceps. CAPPA/UFSM 0189 was collected in the municipality of São Francisco de Assis, ...
Morfofisiologia e exigências térmicas de Cyperus difformis L. (Cyperaceae)
(Universidade Federal de Santa Maria, 2018-03-01)
The species Cyperus difformis (L.) (tiririquinha) is prominent in the South of Brazil as weed in flooded areas, especially in irrigated paddy rice cultivation under a pre-germinated system. However, in recent years, it has ...
Atividade da NTPDase, 5 -nucleotidase, acetilcolinesterase e níveis de peroxidação lipídica em ratos expostos ao cádmio e tratados com curcumina
(Universidade Federal de Santa Maria, 2014-10-15)
Cadmium (Cd) is one of the most toxic metals in relation to environmental contamination and human poisoning. This metal has a long biological half-life (10-30 years) and prolonged exposure to Cd has been associated with ...
Toxicidade do HgCl2 em ratas Wistar analisadas 12 e 48 horas após a exposição: possível efeito preventivo do zinco
(Universidade Federal de Santa Maria, 2016-02-10)
Mercury is a metal without any biological function. The exposure to mercury in any of different chemical forms can induce toxic effects on living organisms. This toxicity is commonly attributed to the high affinity that ...