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Avaliação do desgaste promovido pela broca post preparation utilizando imagens de TCCB
(Universidade Federal de Santa Maria, 2005-01-03)
Several metals are known to disturb cellular functions by binding to thiol groups of biomolecules. Therefore, a possible therapy for metal intoxication is to remove the toxic metals from the bound functional bioligands by ...
Mecanismos envolvidos no efeito antioxidante do disseleneto de difenila no dano oxidativo causado pela exposição à fumaça do cigarro em ratos jovens
(Universidade Federal de Santa Maria, 2009-09-09)
Cigarette smoking is a complex mixture of many constituents identified, among them reactive substances (reactive oxygen and nitrogen species), which are capable of initiating or promoting oxidative damage. Lungs and brain ...
Alterações comportamentais e neuroquímicas causadas por compostos orgânicos de selênio
(Universidade Federal de Santa Maria, 2006-11-22)
Selenium organic compounds, ebselen and diphenyl diselenide (PhSe)2, are considered mimics of glutathione peroxidase enzyme and present antioxidants and anti-inflammatory properties in different models of brain injury. In ...
Disseleneto de difenila: um organocalcogênio com baixa toxicidade em não roedores e importantes propriedades anti-aterogênicas em modelos in vivo e in vitro
(Universidade Federal de Santa Maria, 2007-06-01)
Atherosclerosis is a chronic inflammatory condition associated with an overproduction of oxidant species. Since low density lipoprotein (LDL) oxidation plays a key role in the pathogenesis of atherosclerosis, antioxidants ...
Efeito de compostos orgânicos de selênio em modelos experimentais de câncer e diabetes mellitus
(Universidade Federal de Santa Maria, 2006-03-16)
This study was designed to determine the effect of organoselenium compounds on experimental models of cancer and diabetes. In mammary carcinogenesis induced by N-nitroso-N-methylurea (NMU, 3 doses of 50 mg/kg, i.p.), it ...
Estudos dos mecanismos envolvidos na ação antinociceptiva causada pelo disseleneto de difenila em camundongos
(Universidade Federal de Santa Maria, 2007-08-01)
The interest in organoselenium biochemistry and pharmacology has increased in the last two decades due to a variety of organoselenium compounds that possess biological activity. Accordingly, diphenyl diselenide, a simple ...
Efeito do disseleneto de difenila sobre a toxicidade induzida por cloreto de mercúrio em camundongos
(Universidade Federal de Santa Maria, 2008-12-04)
Mercury is a metal without physiological functions in human body and is toxic to
human beings. This metal has many applications in industry and, therefore it is very
important in occupational and environmental exposure. ...
Efeitos da administração do disseleneto de difenila sobre o dano hepático induzido por 2-nitropropano, cádmio e tetracloreto de carbono
(Universidade Federal de Santa Maria, 2008-02-01)
The liver presented exceptional characteristics, like controlling energy production, immunological defenses, and blood reserve. In the environment like in the work place, the human is exposed to a different kind of hepatotoxic ...