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Itens para a visualização no momento 21-30 of 44
Arcabouço biorreabsorvível de poli(L-co-D,L ácido láctico-co-trimetileno carbonato) cultivado com célula-tronco mesenquimal direcionada à regeneração óssea: estudo in vitro e in vivo
(Universidade Federal de São Carlos, 2020-03-10)
Degenerative and bones inflammatory problems represents almost half of chronic diseases developed on people older than 50 years old around the world, leading to problems of prolonged pain and physical limitation. Its ...
Ação do mercúrio no Sistema Hepatonefrocítico de operárias de Bombus atratus (Hymenoptera: Bombini)
(Universidade Federal de São Carlos, 2020-06-30)
In addition to environmental stressors, native Brazilian bees are continuously exposed to biotic stressors, such as parasites and pathogens, and abiotic stressors, such as pesticides and metals. Metallic contaminants such ...
Padronização e aplicação do ensaio cometa para análise de genotoxicidade do mercúrio em abelhas da espécie Bombus atratus (Hymenoptera, Bombini)
(Universidade Federal de São Carlos, 2020-03-03)
The mercury (Hg) is a non-essential trace metal, that is highly toxic to living beings, is a major contaminant of water bodies. Despite the genotoxic importance of Hg, there are no studies on its genotoxicity in native ...
Respostas metabólicas em girinos de rã- Touro, Lithobates catesbeianus após exposição ao zinco, cobre e cádmio
(Universidade Federal de São Carlos, 2019-02-27)
The metals in the aquatic environment may be incorporated by the local biota and once incorporated may accumulate in organisms and result, even at sublethal level, in biochemical and physiological dysfunctions with important ...
Metais potencialmente tóxicos em ambiente aquático: utilização de geoprocessamento para identificação de fontes poluidoras.
(Universidade Federal de São Carlos, 2018-01-18)
The Pirapora River is an important source that supplies the cities of the region of Sorocaba / SP. The place chosen for this work is located in the city of Salto de Pirapora. The city of Salto de Pirapora stands out in the ...
Imobilização de nanopartículas de ouro em filmes automontados como sensores de íons cadmio e cobre
(Universidade Federal de São Carlos, 2018-07-10)
Nowadays, with industrial development, the concentrations of toxic materials produced and dumped by factory and domestic waste are increasing. The heavy metals are part of these contaminants which currently contaminate ...
Efeito de nanotubos de carbono de parede múltipla em girinos de Lithobates catesbeianus (SHAW, 1802) sobre biomarcadores em diferentes níveis de organização biológica
(Universidade Federal de São Carlos, 2019-02-28)
The search for materials improvement brought the development of nanoparticles, which environmental and health consequences from its use are slightly understood. Added to that context the drastic populational decline of ...
Análise genotóxica do Fipronil® no cérebro de abelhas da espécie Bombus atratus (HYMENOPTERA, BOMBINI)
(Universidade Federal de São Carlos, 2022-02-22)
Fipronil® is a neurotoxic insecticide, effective for control of crop pests. However, there are no data about possible genotoxic effect of sublethal concentrations in the brain of pollinator bees. Therefore, this study aimed ...
Aspectos ecológicos e comportamental de vagalumes Bicellonycha lividipennis motschulsky, 1854 (Coleoptera: Lampyridae) em áreas sob influência de iluminação artificial de vapor de sódio no município de Sorocaba-SP
(Universidade Federal de São Carlos, 2022-09-28)
The consequences of light pollution are reflected between vertebrates and invertebrates. One of the most affected organisms and target of study in this work are fireflies, especially lampyrids. The bioluminescence of these ...
Estrutura, função e evolução das luciferases de Mastinocerini (Coleoptera: Phengodidae) e origem biossintética da luciferina em coleópteros
(Universidade Federal de São Carlos, 2023-03-09)
The origin and evolution of bioluminescence in Coleoptera from the Elateroidea superfamily depend on a better understanding of the metabolic origin of the luciferin substrate and the luciferase enzymes evolution. Several ...