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Avaliação de indicadores do estresse oxidativo e da atividade da enzima acetilcolinesterase sangüínea em pacientes com diagnóstico de acidente vascular cerebral isquêmico
(Universidade Federal de Santa Maria, 2006-09-29)
In ischemic stroke, damage to the brain is caused by a reduction or complete blockage of blood flow to parts of the brain, resulting in glucose and oxygen deficiency. It is a leading cause of mortality and disability ...
Parâmetros toxicológicos em jundiás (Rhamdia quelen) expostos ao cádmio
(Universidade Federal de Santa Maria, 2008-08-21)
The aquatic ecosystems may be constantly receiving metals from industrial discharges and agriculture generated by anthropogenic activities. Thus, the organisms in the aquatic environment may be the target of these contaminants. ...
Parâmetros toxicológicos em carpas (Cyprinus carpio) expostos a formulações comerciais de diferentes herbicidas em condições de lavoura de arroz e em laboratório
(Universidade Federal de Santa Maria, 2008-08-20)
Pesticides can affect toxicological parameters and cause oxidative stress in fish. In Brazil there are few studies linking pesticide toxicity with fish. For this reason,
two experiments were conducted to evaluate possible ...
Parâmetros de estresse oxidativo em jundiás (Rhamdia quelen) expostos a formulações comerciais contendo glifosato e clomazone
(Universidade Federal de Santa Maria, 2010-02-26)
The use of herbicides has increased in agriculture and pisciculture for controlling plant weeds, but the indiscriminate use can cause contamination to organisms such as fish. Therefore, the aim of this study was to evaluate ...
Parâmetros de estresse oxidativo e estudo de lesõs histopatológicas em jundiás (Rhamdia quelen) expostos a agroquímicos
(Universidade Federal de Santa Maria, 2010-11-26)
Due to the proximity of crop and fish culture areas, some agrichemicals that could be harmful for fish could enter into fishponds by different ways, such as by leaching through rain. The contamination of the aquatic ...
Parâmetros bioquímicos em jundiás expostos ao zinco
(Universidade Federal de Santa Maria, 2014-06-05)
The contamination of the aquatic environment occurs as a consequence of industrial, agricultural and anthropogenic activities. Aquatic ecosystems are often contaminated with metals such as copper and zinc, which are essential ...
Papel protetor do 2-feniletinil-butilterúrio em modelos de dano cognitivo em camundongos e na apoptose em células humanas
(Universidade Federal de Santa Maria, 2013-03-27)
Memory is considered to be a process that has several stages, including acquisition, consolidation and retrieval.
Memory impairment occurs when important synapses are modified. Alzheimer s disease (DA) is the most
common ...
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 ...
Efeito da dieta hiperlipídica e da tintura de Valeriana officinalis no modelo crônico de discinesia orofacial induzida por haloperidol em ratos
(Universidade Federal de Santa Maria, 2006-10-30)
Haloperidol-induced orofacial dyskinesia (OD) is a putative animal model of tardive dyskinesia (TD) whose pathophysiology has been related to an increase in dopamine
turnover, reduction in gabaergic neurotransmission and ...
Atividade antioxidante do e-1,1-metiltio-selenofenil-2-pirrolidinona-hepteno: um composto orgânico de selênio com baixa toxicidade
(Universidade Federal de Santa Maria, 2007-04-20)
The objective of this work was to evaluate the antioxidant activity of (E)-1-(1-(methylthio)-1-selenopheny) hept-1-en-2-yl) pyrrolidin-2-one: an organoselenium compound with low toxicity (compound 1). A number of parameters ...