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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, ...
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 ...
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 ...
Ditelureto de difenila induz prejuízos no desenvolvimento, neurotoxicidade e desmielinização no sistema nervoso central de filhotes de ratos wistar
(Universidade Federal de Santa Maria, 2009-11-20)
The purpose of this study was to investigate if myelinogenesis is related to the mechanism by which diphenyl ditelluride [(PhTe)2] causes toxicity in rat pups. The present study was performed to examine whether the behavioral ...
Efeito in vitro do polimorfismo ala16val do gene da superóxido dismutase dependente de manganês no metabolismo oxidativo de linfócitos
(Universidade Federal de Santa Maria, 2010-03-05)
Epidemiological studies suggest that the imbalance in antioxidant enzymes activity genetically caused, increases the risk of metabolic disorders and chronic noncommunicable
diseases. This is the case of polymorphism that ...