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Transformações alotrópicas de carbono induzidas por irradiação com feixe de elétrons
(Universidade Federal de São Carlos, 2021-08-27)
In the last years, the carbon has attracted scientific and technological interest due to its different allotropic forms, as graphite, graphene, fullerene, and carbon nanotubes, which present unique and promising properties. ...
Desenvolvimento de métodos de pré-concentração para a determinação de elementos traço e especiação de cromo e arsênio em amostras agrícolas
(Universidade Federal de São Carlos, 2021-10-27)
Agricultural sustainable production is indispensable to meet the growing demand for food and nutritional control. The risk assessment associated with contamination by toxic elements in agricultural and aquaculture matrices ...
Surface modification with polymers as a tool to functionalize fabrics, fabricate graded materials and design interface of composites
(Universidade Federal de São Carlos, 2021-10-01)
Tailoring the properties of a material for a target application often depends on combining features of different components. To effectively arrange these components in a material, several methods have been developed to ...
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 ...
Metabolismo de daidzeína e genisteína por Spodoptera frugiperda
(Universidade Federal de São Carlos, 2021-09-20)
DAIDZEIN AND GENISTEIN METABOLISM BY Spodoptera frugiperda. As
sessile organisms, plants cannot escape the many herbivore attacks that occur
throughout their development, and rely on alternative strategies to reduce ...
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 ...
Precious, strategic and toxic elements in electronic waste: bibliometric evaluation, proposition of reference material and direct analysis by laser-based techniques and fluorescence spectrometry
(Universidade Federal de São Carlos, 2021-03-26)
Waste electrical and electronic equipment (WEEE) is among the fastest growing types of solid waste in the world. In addition, this is a complex waste stream when it comes to recycling, due to the large variety of valuable ...
Estudo teórico: da adsorção de etanol em clusters de Cun e Aun (n = 10-20)
(Universidade Federal de São Carlos, 2021-08-24)
In this work, we study aggregates, which we will call clusters of copper and gold with and without the adsorbed ethanol molecule. First, we investigated the most favorable positions for ethanol adsorption to occur in ...
Determinação de pesticidas organoclorados e fármacos em matrizes ambientais utilizando QuEChERS, extração líquido-líquido (LLE) e extração em fase sólida (SPE)
(Universidade Federal de São Carlos, 2021-11-24)
The presence of xenobiotic organic contaminants in water bodies, where arrive from releases of treated or untreated effluent, has raised concerns
about impacts related to the richness and biodiversity of aquatic life and ...
Esfoliação e funcionalização de nanofolhas de MoS2: desenvolvimento de novos materiais elastoméricos
(Universidade Federal de São Carlos, 2021-09-30)
Two-dimensional materials, such as MoS2, have been extensively studied in recent decades due to their excellent properties in electronics, electrocatalysis, optics and mechanics. A major focus in recent research resides ...