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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 toxicológicos em piavas (Leporinus obtusidens) e jundiás (Rhamdia quelen) após exposição a uma formulação comercial de glyphosate
(Universidade Federal de Santa Maria, 2008-02-15)
The commercial formulations of glyphosate herbicide have been widely used in agriculture and pisciculture for controlling plant weeds. Fish can be affected when drainage water reaches water courses, causing a disturbance ...
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 ...
Bioquímica e citogenética de jundias (Rhamdia quelen) expostos a diferentes concentrações de tório
(Universidade Federal de Santa Maria, 2007-02-23)
The objective of this study was to evaluate the effect of thorium (Th) on the metabolism of silver catfish (Rhamdia quelen) through biochemical parameters from the muscle tissue (glycogen, glucose, lactate, protein and ...
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 ...
Retinol e carotenóides em pacientes hemodialisados e seus reflexos fisiopatológicos
(Universidade Federal de Santa Maria, 2009-01-20)
Chronic renal failure (CRF) is a slow and gradual decline of renal function and it
constitutes a major public health problem in our country. The haemodialysis treatment is
the standard to which these patients are submitted. ...
Avaliação do estado micronutricional e de estresse oxidativo em idosos
(Universidade Federal de Santa Maria, 2007-03-19)
The increase in life expectancy has made the aging of the population a global phenomenon. Projections point to a growth of greater than 300% in the number of elderly people over the next 50 years. The rapid growth of the ...
Avaliação dos efeitos promovidos pelo chumbo, selênio e/ou sacarose em parâmetros oxidativos em roedores
(Universidade Federal de Santa Maria, 2006-03-16)
Lead is a common occupational and environmental hazard, and it is
known that can be toxic to several species of animals, and experimental
studies support the theory of oxidative damage in lead toxicity. Literature ...
O efeito do uso crônico de haloperidol associado à dieta com alto teor de lipídio na peroxidação lipídica no fígado de ratos wistar
(Universidade Federal de Santa Maria, 2007-01-12)
There is a growing number of evidences, associating the oxidative stress produced by the reactive species of oxygen, with the aging process at one hand, and with the beginning and development of the vascular complications ...