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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, ...
Materiais híbridos obtidos pela adsorção de nanopartículas metálicas sobre fungos micelares pelo efeito biotemplate
(Universidade Federal de São Carlos, 2014-02-18)
The use of bio-design concepts is a promising strategy for obtaining materials with properties of great scientific and technological interest. There are numerous examples of materials obtained by employing concepts of ...
Efeito anti-inflamatório do extrato etanólico da Harpagophytum procumbens durante a inflamação intestinal de camundongos infectados com Salmonella Enteritidis (ATCC13076)
(Universidade Federal de São Carlos, 2014-05-29)
Salmonellosis is an illness caused by bacteria of the genus Salmonella, a leading infectious disease worldwide. Due to the importance of this infection forward to eating habits, the search for a new compound that can ...
Síntese e propriedades fotocatalíticas de heteroestruturas TiO2/SnO2
(Universidade Federal de São Carlos, 2014-03-14)
Heterostructures, systems containing two dissimilar semiconductors in direct contact, has been applied in heterogeneous photocatalysis due to their electronic properties. This work aimed at studying heterostructures ...
Através do cosmos : uma proposta lúdica para o ensino de astronomia e física
(Universidade Federal de São Carlos, 2014-09-30)
The knowledge of the high school students on the various topics of Astronomy today is worse than expected. This study aims to investigate the current level of knowledge in Astronomy of high school students from a public ...
A utilização do software GeoGebra no ensino da geometria analítica
(Universidade Federal de São Carlos, 2014-12-19)
In this thesis we aim, through the use of a technological tool, the
computer, show the possibility of teaching Mathematics causing the student to build
their knowledge from concepts presented with the help of software ...
Folhas de atividades para o ensino de função afim e quadrática : conceito e aplicações
(Universidade Federal de São Carlos, 2014-09-25)
After a careful evaluatation of my students, my principal investigator and I decided that
students with difficulties in higher learning will be chosen, in this case, the first year of
High School students in the three ...
Síntese da sílica MCM-41 usando um surfactante catiônico polimerizável e avaliação na transesterificação catalítica
(Universidade Federal de São Carlos, 2014-02-20)
The masters work presented is result of a great effort provided by the group, which has worked with changes in the synthesis of CTA-MCM-41. The synthesis of the M41S family (composed of mesoporous silica MCM-41, MCM-48 and ...