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Desenvolvimento de membranas de alumina anódica porosa com nanopartículas de prata depositadas
(Universidade Federal de São Carlos, 2015-03-27)
In this work, we present the development of porous anodic alumina (PAA) membranes for ultrafiltration by the anodization of low cost 1050 aluminum (Al) foils (99.5% purity). The metallic Al and the barrier layer of alumina ...
Uso de técnicas espectroanalíticas na avaliação de amostras de placas de circuito impresso de lixo eletrônico
(Universidade Federal de São Carlos, 2015-11-26)
The increase in the consumer electronics equipment, especially, the cell has aroused the academia and society in general interest. Such equipment when obsolete became part of the so-called junk mail. Among the components ...
Síntese, caracterização e estudo das propriedades fotoeletrocatalíticas dos fotoanodos BiVO4 e BiVO4/FeOOH
(Universidade Federal de São Carlos, 2015-11-27)
Among the variety of semiconductor materials investigated to apply in electrochemical cells bismuth vanadate (BiVO4) is one of the candidate which would be used as photoanode. Thus, this study aimed to synthesize thin films ...
Avaliação da atividade fotocatalítica do óxido de cobre imobilizado em suporte magnético nanoestruturado
(Universidade Federal de São Carlos, 2015-07-31)
Contamination by dyes is one of the main problems related to water and environment pollution. In recent years, the search for new alternatives for the appropriate treatment of organic wastewater compounds has intensified. ...
Busca por inibidores de catepsinas em plantas do cerrado paulista e avaliação da proteólise tumoral in vitro
(Universidade Federal de São Carlos, 2015-03-27)
The aim of this work is search for cysteine proteases inhibitors using a bioactivity-guided assay. We have selected different plants for the initial screening. Among all evaluated extracts, the ones obtained from Myrcia ...
Planejamento e avaliação de fragmentos moleculares como inibidores da enzima cruzaína
(Universidade Federal de São Carlos, 2015-08-24)
The available drugs for treating Chagas disease are not
effective, therefore the development of new therapies is needed. Cruzain is the major
Trypanosoma cruzi cysteine protease, the causative agent of the disease, and ...
Diferentes estratégias espectroanalíticas para a determinação de metais em cosméticos
(Universidade Federal de São Carlos, 2015-10-22)
In this work, it was developed a procedure for the
determination of metals in cosmetics, employing the techniques ICP OES, GF AAS,
LIBS and LA-ICP OES; in addition, it was explored the potential of chemometric
tools. ...
Análise dos méis de abelhas do gênero Melipona (abelhas sem ferrão) através de LC-SPE/NMR, LC-BPSU/NMR e RMN aliada à quimiometria.
(Universidade Federal de São Carlos, 2015-05-07)
In Brazil, there are approximately 200 species of stingless bees, especially in the Amazon region. The Melipona seminigra and the M. interrupta are species that stand out in Central Amazon, since they are abundant and have ...
Formação inicial de professores de química: discursos, saberes e práticas
(Universidade Federal de São Carlos, 2015-02-09)
Currently, the academic community and teachers formation courses are still living a period of transition between educational performance models that are supported by regulations, such as the resolution CNE/CP n° 01/2002, ...
Search for enzyme inhibitors in cerrado plants as strategy for the discovery of prototype drugs against neglected tropical diseases
(Universidade Federal de São Carlos, 2015-03-26)
A primeira etapa deste trabalho de pesquisa envolveu uma triagem de extratos de plantas do cerrado paulista através de ensaios frente à arginase (ARG) de Leishmania amazonensis. Os resultados de inibição enzimática da ARG ...