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Efeito de compostos naturais no envelhecimento e em modelos de doença de Alzheimer no nematódeo Caernorhabditis elegans
(Universidade Federal de Santa Maria, 2018-09-05)
During ageing, the cell repair system, including adaptative response to oxidative stress and unfolded protein degradation. In last decades, the increasing life expectancy, added to genetic and ambiental factors, has ...
Nicotina modula a resposta de medo condicionado contextual em peixe-zebra
(Universidade Federal de Santa Maria, 2018-02-26)
Aversive conditions in a certain context trigger associative learning processes, which allow organisms to learn and anticipate potentially dangerous events. Exposure to conspecific alarm substance (CAS) has been used for ...
Curso técnico em eletrotécnica integrado ao ensino médio: a matemática na corrente da interdisciplinaridade
(Universidade Federal de Santa Maria, 2018-12-03)
This thesis has as its theme, interdisciplinarity and the teaching of Mathematics in Integrated Secondary Education. It defends this type of teaching in the face of countless debates in regards to the new reforms to secondary ...
Descrição e filogenia de um novo espécime de cinodonte probainognátio do triássico sul-brasileiro
(Universidade Federal de Santa Maria, 2018-02-28)
The present dissertation aims to describe the cranial anatomy of a new specimen of Ecteniniidae, CAPPA/UFSM 0029, collected in Upper Triassic rocks. The new specimen, which comes from the Janner outcrop in the outskirts ...
Origem e irradiação dos sauropodomorfos: novos espécimes e suas implicações
(Universidade Federal de Santa Maria, 2018-12-11)
The origin and early irradiation of sauropodomorph dinosaurs received much attention in response of new
discoveries from fossiliferous strata from South America. However, there are still doubts regarding the
transitionary ...
Avaliação dos efeitos de calcogenonucleosídeos derivados da zidovudina usando células sanguíneas como alvo toxicológico
(Universidade Federal de Santa Maria, 2018-02-23)
Zidovudine (AZT), a thymidine derivative, is widely used in antiretroviral regimens and more recently it has been indicated, in combination with other chemotherapeutics, for the treatment of some types of cancer. Patients ...
Variação geográfica do tamanho e forma do crânio de mamíferos com ampla distribuição na América do Sul (Marsupialia, Xenarthra e Glires)
(Universidade Federal de Santa Maria, 2018-02-23)
Skulls are complex morphological structures that exhibit phenotypic plasticity and adaptations to
different functions and processes, and are under different pressures, such as the geographical or
environmental ones. South ...
Avaliação do potencial terapêutico do extrato aquoso de Peumus boldus (boldo) frente à toxicidade induzida por ferro e cobre em diferentes modelos experimentais
(Universidade Federal de Santa Maria, 2018-08-10)
The transition metals iron (Fe2+) and copper (Cu2+) are vital trace elements due to oxi-reducing
properties. However, the free Fe2+ and Cu2+ accumulation can lead to oxidative stress (OS), by catalisis
the Fenton reaction. ...
Desenvolvimento de atitudes pró-ambientais em atividades do projeto de educação ambiental em escola da cidade de Santa Maria
(Universidade Federal de Santa Maria, 2018-02-28)
Due to man's exploratory and depredatory actions using the natural resources aiming at the economic gains of society and the development of new technologies, a situation of imbalance of the environmental equilibrium and ...
Envolvimento do receptor de potencial transitório anquirina 1 na analgesia induzida pela fração acetato de etila de Tabernaemontana catharinensis em camundongos
(Universidade Federal de Santa Maria, 2018-03-09)
Pain is one condition that limits productivity and reduces the life quality of affected patients. Although exist an arsenal of effective analgesics, there is a great concern related to their safety and adverse effects ...