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Respostas bioquímicas em carpas (Cyprinus carpio) expostas a duas formulações comerciais de inseticidas em condições de lavoura de arroz e em laboratório
(Universidade Federal de Santa Maria, 2012-07-27)
The pesticides are substances widely used in agriculture, because it enhances productivity. However, its excessive and disordered use has caused different impacts on the environment. Therefore, this study investigated the ...
História da ciência e atividades práticas: proposta para formação inicial de docentes
(Universidade Federal de Santa Maria, 2012-02-12)
The central idea of this work is the association between practical activities and
Science History to teaching Science in the high school. This association has great potential
to motivate the students to independent ...
O processo de experimentação promovendo aprendizagens e competências científicas
(Universidade Federal de Santa Maria, 2012-08-31)
The experimentation has been a practice little and inadequately explored in school space assuming functions of demonstration and verification, predominantly focused on the end result. We propose, then, to focus on the ...
Podem pequenas variações na altitude e na ordem de riachos influenciar a estrutura das comunidades de moluscos?
(Universidade Federal de Santa Maria, 2012-05-31)
The influence of small gradients of altitude (0-500 meters) and order (1st to 4th) in the
spatial distribution of mollusk communities was studied, based on 40 samples collected in a
watershed of a temperate climate region, ...
Síntese e atividades antioxidante e antitumoral de 5´-arilseleno azidotimidina
(Universidade Federal de Santa Maria, 2012-03-30)
The synthesis of compounds that use a nucleoside as the base structure, has an intense field application. Among these compounds, the most known nowadays is azydothymidine or zidovudine, a drug which was first synthesized ...
Frutose-1,6-bisfosfato e N-acetilcisteína atenuam a formação de produtos proteicos de oxidação avançada, uma nova classe de mediadores inflamatórios, in vitro
(Universidade Federal de Santa Maria, 2012-09-19)
The assessment of biomarkers of reactions involving reactive oxygen species have the
potential not only to determine the extent of oxidative damage, but also to predict the
effectiveness of therapeutic strategies aimed ...
Atividade antioxidante in vitro do extrato etanólico das folhas de Luehea divaricata Mart.
(Universidade Federal de Santa Maria, 2012-03-16)
Oxidative stress has been linked to some neurodegenerative disorders. Current
therapies are limited to attenuate the symptoms, however some studies have shown that
antioxidant compounds may be able to prevent or delay ...
Efeito amnésico da arcaína depende da novidade e do sistema opióide
(Universidade Federal de Santa Maria, 2012-03-01)
Previous exposure to the training context disrupts glutamatergic N-methyl-Daspartate
receptor (NMDAr) antagonist-induced amnesia, indicating that novelty is
necessary for such an amnestic effect. While there are reports ...
Efeito do exercício de alta intensidade na atividade de enzimas do sistema purinérgico e colinérgico em ratos tratados com cafeína
(Universidade Federal de Santa Maria, 2012-06-11)
The high intensity exercise produces physiological, neural and cognitive benefits. Caffeine has been considered an important ergogenic resource in exercise, due to its ability to block adenosine receptors. Due to fact the ...
Efeito do decocto de Bauhinia forficata sobre parâmetros comportamentais e metabólicos em ratos tratados com haloperidol
(Universidade Federal de Santa Maria, 2012-09-27)
Schizophrenia is a psychiatric disorder that affects 1% of world population and its pharmacologic treatment consists in the use of antipsychotics. It is known that chronic treatment with classical antipsychotics, such as ...