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Investigação do processo de corrosão do aço API 5L_X65 em meio de bicarbonato e cloreto utilizando serie temporal de imagens
(Universidade Federal de São Carlos, 2014-11-21)
The carbon steel corrosion process used at in machines and pipelines of oil fields is mainly attributed to the presence of CO2, and H2S dissolved at solution. These compounds usually can to carry the corrosion type more ...
Estudo químico de Bowdichia virgilioides (Fabaceae) na busca de inibidores seletivos de cisteíno peptidases
(Universidade Federal de São Carlos, 2014-03-31)
This work describes the isolation of bioactive secondary metabolites of the plant
species Bowdichia virgilioides in the search for selective inhibitors of cathepsins K, L
and V. Cathepsins are enzymes that have as primary ...
Síntese hidrotérmica assistida por micro-ondas do CaTiO3 puro e dopado com samário e sua caracterização óptica e morfológica
(Universidade Federal de São Carlos, 2014-02-17)
The ATiO3 (A = Pb, Ca, Sr, and Ba) perovskite have attracted considerable attention and constitute one of the most important class of mixed oxides. It presents various applications owing to their physical properties and ...
Aplicação de espectroscopia raman e análise multivariada na caracterização e monitoramento in situ da síntese de cocristais de carbamazepina-nicotinamida e ibuprofenonicotinamida
(Universidade Federal de São Carlos, 2014-02-20)
In this work, the PAT tools were used (Raman spectroscopy with an in situ analyzer and multivariate tools) to proceed a crystallization monitoring and quantification of cocrystals of carbamazepine nicotinamide (CBZ NCT) ...
Avaliação da atividade fotocatalítica de nanopartículas de Nb2O5 para degradação de pesticida
(Universidade Federal de São Carlos, 2014-12-10)
From 2010, Brazil ranks as the largest consumer of pesticides in the world, being 99% or more of sprayed pesticides can disseminate to the environment, and consequently reaching the ground and water. A possibility attempt ...
Degradação eletroquímica do antibiótico ciprofloxacina utilizando eletrodos de diamante dopado com boro e dióxido de chumbo
(Universidade Federal de São Carlos, 2014-04-30)
Initial potentials for the oxygen evolution reaction (OER) of 2.23, 2.30, 2.36, and ~1.55 V vs. Ag/AgCl (3 mol L 1 KCl) were obtained by linear sweep voltammetry (LSV) in 0.1 mol L 1 Na2SO4 for the 2500, 100, and 500 ppm ...
Estudo da eletroxidação de CO e metanol sobre eletrodos multicamadas metálicas Ptpc/Rh/Pt
(Universidade Federal de São Carlos, 2014-07-28)
Fuel cell is an alternative studied in recent years for energy conversion. A problem of this type of device is the choice of anode material and fuel used. Thus, different materials have been proposed besides the pure metals, ...
Obtenção do sistema TiO2:Ag na forma de filmes nanoestruturados em filtros cerâmicos para aplicação em fotocatálise
(Universidade Federal de São Carlos, 2014-02-19)
In this study, it was aimed to obtain powders and thin films of titanium dioxide (TiO2) with silver (Ag) deposited on ceramic filters, synthesized by the polymeric precursor method for degradation of rhodamine B dye under ...
Estudo fitoquímico de Eugenia myrcianthes: busca de substâncias bioativas
(Universidade Federal de São Carlos, 2014-04-04)
The search for new substances with bioactive potential is the target of numerous studies inserted in the chemistry of natural products, since it involves the isolation, the structural elucidation, as well as the action ...
Estudo de incorporação de whiskers de celulose em polietileno de baixa densidade (PEBD)
(Universidade Federal de São Carlos, 2014-04-29)
This research proposed the obtainment of cellulose whiskers from cotton fibers and their application in low density polyethylene matrix (LDPE). Cellulose whiskers was obtained from acid hydrolysis of cotton fibers and the ...