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Síntese e caracterização de nanopartículas semicondutoras de ZnO@Carbono com estrutura tipo núcleo-casca
(Universidade Federal de São Carlos, 2021-08-05)
In these study, nanoparticles with a core-shell structure of oxide zinc-carbon (ZnO@Carbon) were synthesized using the simple thermal decomposition method of Zn(CH3CO2)2•2H2O in a conventional electric furnace and a hybrid ...
Catalisadores baseados em nitretos de carbono grafíticos e metais de transição: síntese e aplicações
(Universidade Federal de São Carlos, 2022-03-24)
Carbon nitrides are polymeric compounds with a C3N4 stoichiometric ratio and formed by sp2 nitrogen bonds. Most of the works in the literature uses polymeric carbon nitride as a catalyst for application in organic reactions, ...
Sensores nanoestruturados compostos por nanofibras de dióxido de titânio modificadas com polímeros condutores visando monitoramento de compostos orgânicos voláteis
(Universidade Federal de São Carlos, 2020-03-18)
The growth of urbanization and anthropogenic activities have been increasing the emission of polluting gases in the atmosphere. Considering the high toxicity of some of these gases, it becomes necessary to develop new ...
Influência de complexos polipiridínicos de Ru(II) no processo de agregação do peptídeo beta amiloide
(Universidade Federal de São Carlos, 2023-02-27)
Most neurodegenerative diseases are associated with abnormal protein aggregation. Amyloid proteins are highly prone to aggregation and, consequently, accumulate in the brain, disrupting synapses and causing neurotoxicity. ...
Estudo da influência de nanopartículas de ouro na atividade de lipase de Pseudomonas fluorescens imobilizada em nanopartículas superparamagnéticas
(Universidade Federal de São Carlos, 2020-02-19)
The growing interest in the application of biocatalysts in several industrial sectors made the enzymatic immobilization stand out among the possible strategies to enable the use of these catalysts. This strategy has the ...
Estudo espectroscópico por FTIR da conversão de etanol em catalisadores de Au suportados
(Universidade Federal de São Carlos, 2020-07-25)
In this work, an FTIR spectroscopic study of gold catalysts supported on monoclinic zirconia (with Au content of 2,5% w/w), was carried out in order to elucidate the surface nature of this catalyst in the dehydrogenation ...
Síntese e caracterização de complexos de Prata (I): investigação da citotoxidade e interação com o DNA
(Universidade Federal de São Carlos, 2020-06-23)
The inorganic compound, cisplatin, is used on a large scale to different types of cancer. This complex acts in DNA structure by covalent bonds. However, the chemotherapy agent presents several side effects and some tumors ...
Sachês compósitos biodegradáveis à base de amido visando o acondicionamento de nutrientes para aplicação como fertilizantes
(Universidade Federal de São Carlos, 2020-07-31)
The Brazilian agrarian system is responsible for a large part of the national GDP, even though agricultural production is dependent on foreign trade. In addition, many producers prioritize the use of NPK-type fertilizers ...
Desenvolvimento de catalisadores bifuncionais a base de fosfato e suas aplicações catalíticas
(Universidade Federal de São Carlos, 2022-02-17)
The development of bifunctional acid catalysts is an area of heterogeneous catalysis in intense growth, mainly due to the possibility of performing consecutive reactions using a single catalyst and a single reactor. In ...
Síntese e caracterização de catalisadores a base de Au e Cu e suas aplicações na desidrogenação do 5- hidroximetilfurfural
(Universidade Federal de São Carlos, 2021-11-30)
Dependence on oil as a source of fuel and raw material to produce chemical products opens space for the development of catalytic systems aimed at the use of biomass. In this sense, this work aims to develop a new route to ...