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Identificação dos mecanismos entomotoxicos de dois compostos inseticidas naturais em modelo experimental alternativo de insetos: extrato contendo anatoxina-a(s) e jaburetox
(Universidade Federal de Santa Maria, 2019-03-29)
The risk assessment is a stage that aims at the evaluation and characterization of the toxic properties of xenobiotic compounds, conditions of exposure to humans and the environment. The aim of this work was to contribute ...
Efeito da morfina sobre a persistência da memória de medo condicionado contextual em ratos
(Universidade Federal de Santa Maria, 2015-01-16)
It is established that opioids modulate brain networks involved in learning and memory. Studies using various learning tasks have shown that morphine impairs many forms of memory. A common feature of these studies is that ...
Estudos analíticos para caracterização e avaliação de interleucina-11 humana recombinante
(Universidade Federal de Santa Maria, 2015-12-04)
Interleukin 11 (IL-11) is an endogenous cytokine that directly stimulates the proliferation of hematopoietic stem cells and megakaryocytic progenitor cells and induces megakaryocytic maturation. With advances in biotechnology, ...
Potencial tóxico e anticarcinogênico da alga Prasiola crispa
(Universidade Federal de Santa Maria, 2015-12-22)
Toxic and anticarcinogenic effects of Prasiola Seaweed extract crispa (PCE) were investigated in Drosophila melanogaster, Nauphoeta cinérea and leukemic cells. In fruit flies, toxicity was assessed as mortality and biochemical ...
Metacomunidade de anuros dos campos sulinos, Brasil: uma abordagem em macroescala sobre padrões neutros e de nicho
(Universidade Federal de Santa Maria, 2015-02-27)
The metacommunity theory was proposed as a theoretical tool which helps to distinguish the processes involved in the generation and maintenance of patterns in distribution, richness, abundance and species composition along ...
Aspectos taxonômicos, ecológicos e evolutivos em drosofilídeos neotropicais
(Universidade Federal de Santa Maria, 2015-05-27)
Drosophila melanogaster is a known model organism that has prompted studies in diverse fields of
knowledge and helped in the scientific advance of several fields. However, Drosophilidae, the family in
which this species ...
Ectoparasitas de pequenos mamíferos: fatores determinantes da estrutura de comunidades em paisagens fragmentadas no cerrado brasileiro
(Universidade Federal de Santa Maria, 2015-03-30)
Through an extensive sampling effort, I investigated the relationships of ectoparasites (Ixodidae, Mesostigmata,
Phthiraptera and Siphonaptera) with small mammals in remnants of savanna in central-western Brazil,
addressing ...
Avaliação da ação anorexígena do 4, 4’-dicloro difenil disseleneto em ratos
(Universidade Federal de Santa Maria, 2015-04-30)
Obesity is an ever-increasing health concern of global importance. Despite that, treatment options remain limited leading to a constant search for therapies well tolerated and efficacious. Based on several biological actions ...
Melhora dos marcadores sanguíneos inflamatórios em pacientes com hipotireoidismo em tratamento com levotiroxina
(Universidade Federal de Santa Maria, 2015-04-17)
Introduction: Some studies suggest that patients with hypothyroidism have systemic inflammation and increased oxidative stress and consider these factors may contribute to the increased risk of atherosclerosis and ...
Parâmetros bioquímicos em guppy (Poecilia vivipara) e jundiá (Rhamdia quelen) expostos ao zinco
(Universidade Federal de Santa Maria, 2019-02-27)
Anthropogenic activities such as agriculture, urbanization and mining may increase the contamination of the aquatic environment by metals. Zinc (Zn) is an essential mineral that is involved in many biological processes. ...