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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, ...
As plantas de importância médica na prespectiva dos três momentos pedagógicos: desafios e potencialidades para o ensino de ciências
(Universidade Federal de Santa Maria, 2018-02-28)
The teaching of science has been facing several problems in relation to the process of teaching and learning, where the search for didactic-pedagogical alternatives brings a lot of importance to itself. In front of this ...
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 ...
Efeito do tipo antidepressivo do 7-flúor-1,3-difenilisoquinolina-1-amina em modelos de estresse em roedores
(Universidade Federal de Santa Maria, 2018-03-23)
Current treatments for depression are inadequate for many patients and progress in understanding of this psychiatric disease is slow. The isoquinoline is an important class of molecules with antidepressant-like effect in ...
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 ...
Respostas bioquímicas em carpas (Cyprinus carpio) expostas ao fungicida tebuconazole (folicur® 200 ec)
(Universidade Federal de Santa Maria, 2010-07-22)
The intensive use and/or inadequate management of pesticides have led to contamination of the aquatic ecosystem, reaching the biota living there, including the fish. Pesticides can affect toxicological parameters these ...
Efeito antioxidante da creatina não protege da suscetibilidade à convulsões após traumatismo crânioencefálico em ratos
(Universidade Federal de Santa Maria, 2011-04-06)
Studies over recent years have highlighted the important role of creatine in health and in treating various neurological diseases. However, its role in secondary damage induced by traumatic brain injury (TBI) is not fully ...
Avaliação dos efeitos biológicos do (s) (3-feniltelanil propanamida) succinato de dimetila, um novo telúrio aminoácido derivado do ácido aspártico
(Universidade Federal de Santa Maria, 2011-03-25)
Recent studies from our group demonstrated that the (S)-dimethyl 2-(3-(phenyltellanyl) propanamido) succinate compound, a telluroamino acid showed glutathione peroxidase (GPx)-like activity, attesting to its antioxidant ...
Efeito da exposição in vivo ao ditelureto de difenila em camundongos: evidências para estresse oxidativo
(Universidade Federal de Santa Maria, 2010-09-24)
In this work, we investigated the effect of (PhTe)2 administration (10 μmol/kg and 50 μmol/kg) to adult mice on the behavioral performance and on some parameters of oxidative stress in the brain ad liver. The animals ...