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Itens para a visualização no momento 11-20 of 71
O papel das florestas preservadas contra os efeitos dos agrotóxicos e da radiação solar ultravioleta em girinos e o potencial de pequenas propriedades rurais na redução de impactos
(Universidade Federal de Santa Maria, 2020-03-02)
Amphibians are the most threatened group of vertebrates on the planet, declines have already been
observed in natural populations in various regions of the globe. Several hypotheses have been
proposed to elucidate this, ...
Sistemática e filogenia de Mahanarva (Ipiranga) com a descrição de duas novas espécies
(Universidade Federal de Santa Maria, 2020-02-28)
The spittlebug family Cercopidae are characterized by their bright colour patterns, head narrow than pronotum and the amount of protective froth excreta produced by their nymphs to complete their development. The genus of ...
Efeitos da contaminação ambiental por mancozebe em girinos de Physalaemus henselii (PETERS, 1872) (Anura: Leptodactylidae): uma espécie termossensível e de distribuição restrita
(Universidade Federal de Santa Maria, 2020-02-28)
Native habitats experience dramatic conversion rates by expanding agriculture, resulting in environmental
contamination and impacts on wildlife. Mancozeb (Mz) is a best-selling broad-spectrum fungicide in the
world, which ...
Funções ecossistêmicas e redundância funcional de vertebrados marinhos recifais do Oceano Atlântico
(Universidade Federal de Santa Maria, 2020-02-19)
The role played by species at the local scale, known as ecological function, ensures ecosystem
functioning and the provision of ecosystem services. The overlap ecosystem functions between
different species characterizes ...
Influência do uso do solo na diversidade de anfíbios anuros nos Campos Sulinos do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2020-03-05)
The degradation of natural ecosystems due to land use changes is becoming accentuated,
altering the structure, composition or ecosystem processes, as well as negatively affecting
biodiversity. Among vertebrates, amphibians ...
Alterações comportamentais mediadas pelo etanol em peixe-zebra: influência do estresse oxidativo, disfunção mitocondrial e modulação serotoninérgica
(Universidade Federal de Santa Maria, 2020-07-24)
Ethanol consumption is a serious public health problem due to the negative impacts that affect individuals and society. Because the mechanism of action of ethanol in the central nervous system is complex and not fully ...
Dano ao DNA induzido por fotoclivagem e análise citotóxica de uma porfirina meso-tetra-rutenada sob irradiação por luz visível
(Universidade Federal de Santa Maria, 2020-12-03)
Photodynamic Therapy (PDT) combined with the use of molecules containing the porphyrin ring associated with ruthenium transition metal has become an alternative method to the traditional treatment of melanoma. Here, we ...
Efeitos de formulações contendo Clomazone® sobre parâmetros bioquímicos, citogenéticos e comportamentais em peixe-zebra (Danio rerio)
(Universidade Federal de Santa Maria, 2020-11-20)
The largest consumer of pesticides in the world since 2009, Brazil, consumed around 84% of the
pesticides sold in Latin America. The increase in consumption, as well as the reduction of
riparian forests, together with ...
O disseleneto de difenila protege o modelo Caenorhabditis elegans para a doença de huntington através da ativação antioxidantes reduzindo a agregação de proteínas
(Universidade Federal de Santa Maria, 2020-06-16)
Huntington's disease (HD) is a progressive, autosomal dominant neurodegenerative disease with a distinct phenotype, including chorea and dystonia, incoordination, cognitive decline and behavioral difficulties. Characterized ...
Estudos in silico aplicados a compostos orgânicos de mercúrio e selênio em sistemas biológicos
(Universidade Federal de Santa Maria, 2020-08-10)
Methylmercury (MeHg) is a potent neurotoxin, which is associated with the inhibition of Glutathione Peroxidase (GPx) and Thioredoxin Reductase (TrxR) selenozymes, however, the mechanism of MeHg inhibition, at the molecular ...