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Impactos da mudança do uso e cobertura do solo na emissão de óxido nitroso e abundância de bactérias desnitrificantes no solo
(Universidade Federal de São Carlos, 2018-05-03)
Agriculture is responsible for 80% of nitrous oxide emissions on earth's atmosphere, the most potential greenhouse gas among the three main gases (CO2, CH4 and N2O). Citriculture and silviculture play an important role on ...
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 ...
Análise da função cardíaca de girinos de rã-touro, Lithobathes catesbeianus, expostos a piretrina, associada ou não a nanopartículas
(Universidade Federal de São Carlos, 2018-03-09)
The increasing use of agrochemicals has been causing several environmental disturbances. As a result, botanical insecticides, such as pyrethrum (PYR), have been created because they are considered biodegradable and less ...
Tafonomia experimental sobre peixes: geobiológicas e zooarqueológicas
(Universidade Federal de São Carlos, 2018-03-12)
Experimental Taphonomy has assisted in the simulation and understanding of variables that affect the fidelity of paleontological and zooarchaeological records. In this experimental study was tested the role of thermal ...
Impactos do manejo do solo em área de pastagem extensiva convertida em cultivo de cana-de-açúcar e em pastagem intensiva
(Universidade Federal de São Carlos, 2020-04-30)
Future decreases in greenhouse gas emissions due the use of ethanol have been associated with the way in which changes in land use will occur for new sugarcane crops. One of the main consequences of the increases in the ...
Biomarcadores bioquímicos em fígado de girinos de rãs-touro, Lithobates catesbeianus, como indicadores biológicos de contaminação aquática
(Universidade Federal de São Carlos, 2020-03-10)
Various contaminants can affect the aquatic ecosystem and the organisms that live in it and can interfere with their physiological processes, as they accumulate in different tissues. Therefore, the evaluation of the effects ...
Efeitos da combinação de agrotóxicos e do patógeno Nosema ceranae no desenvolvimento de Apis mellifera africanizada
(Universidade Federal de São Carlos, 2020-03-03)
Bee populations have declined in several parts of the world, possibly due to a combination of biotic and abiotic factors, such as pesticides, pathogens and forest fragmentation. Since the larval stage, bees are exposed to ...
Influência da seca e inundação nas comunidades microbianas metanogênicas e metanotróficas em planícies aluviais de rios de águas negra, barrenta e clara da Amazônia brasileira
(Universidade Federal de São Carlos, 2019-05-31)
Soils from wetland areas contribute significantly to the global methane (CH4) budget. In this sense, this work was designed to evaluate the influence of dry and flooding in the active microbial communities involved in the ...
Utilização da eletroforese capilar como técnica analítica para a determinação de aminoglicosídeos em sistemas de liberação controlada e formulações farmacêuticas
(Universidade Federal de São Carlos, 2020-04-30)
Leishmaniasis are diseases that have been causing challenges for public health in developing countries and, for this reason, several studies have been trying to develop a more effective formulation to fight them. According ...
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 ...