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Perovskitas baseadas no PZT e PLZT sintetizadas usando o método dos complexos oxidantes de peróxido (OPM)
(Universidade Federal de São Carlos, 2011-03-17)
Were synthesized by the OPM, the solid solutions of Pb(Zr1-xTix)O3 with x = 0.8, 0.48 and 0.2, and also the lanthanum modified lead zirconate titanate compositions (Pb0.95La0.05) (Zr1-xTix)O3 with x = 0.8 and 0.2. This ...
Estudo fitoquímico de Virola sebifera associado ao controle de formigas cortadeiras
(Universidade Federal de São Carlos, 2011-02-25)
Leaf-cutting ants are considered one of the main pests that affect Brazilian agriculture. To control this pest are employed, most often, halogenated, sulfurous and phosphorus compounds. However, the continued use of these ...
Análise quimiométrica de méis brasileiros
(Universidade Federal de São Carlos, 2012-02-27)
In this research, analytical procedures are proposed for the determination of inorganic constituents in honey samples from different Brazilian regions, by using the technique of Inductively Coupled Plasma Mass Spectrometry ...
Caracterização de quatro espécies de quebra-pedra utilizando cromatografia líquida de alta eficiência hifenada a espectrometria de massa em múltiplos estágios
(Universidade Federal de São Carlos, 2011-05-18)
This work presents the results of the use of High Performance Liquid Chromatography coupled to mass spectrometry in the chemical differentiation/characterization of aqueous extracts of plant samples of the genus Phyllanthus, ...
Análise de metabólitos secundários em culturas de Pestalotiopsis sp e Aspergillus aculeatus.
(Universidade Federal de São Carlos, 2006-03-30)
Cariophylene sesquiterpenes are chemical compounds isolated from fungi of the Pestalotiopis genus in early studies developed in our research group. In the present work, a cultivation and analysis methodology were developed ...
Desenvolvimento de nanocamadas e nanocristais de Óxido de Zircônio aplicados a catálise
(Universidade Federal de São Carlos, 2007-09-14)
This work investigate the synthesis and characterization of a catalytic support of -alumina with a nanolayers and nanocrystals of ZrO2. The incorporation of the platinum began during and after the formation of the ...
Estudo da atividade biológica do motivo ECD do domínio tipo-desintegrina da botropasina
(Universidade Federal de São Carlos, 2011-05-10)
Integrins are cell surface receptors that mediate cell adhesion and platelet aggregation, although they do part of important physiological processes in the organism, are also related pathologies such as tumorigenesis, ...
Estudo fitoquímico de Astronium graveolens (Anacardiaceae) e da ação de seus constituintes sobre o formigueiro de Atta sexdens rubropilosa
(Universidade Federal de São Carlos, 2011-06-17)
Brazil has a rich fauna and flora, for these reasons it is called as mega-diverse country. This diversity enables the isolation and identification of substances that become promising in several areas and an example is the ...
Planejamento de inibidores da cruzaína baseado em fragmentos
(Universidade Federal de São Carlos, 2011-07-27)
The Chagas disease, described in 1909 by the Brazilian sanitary physician, scientist and bacteriologist Dr. Carlos Chagas, is caused by the Trypanosomatid parasite Trypanosoma cruzi. Current treatments involve the use of ...
Estudo da influência dos óxidos de Mn, Co e Cr nas propriedades varistoras do sistema SnO2Nb2O5.
(Universidade Federal de São Carlos, 2000-12-01)
Aiming at obtaining SnO2 based varistor systems with a high degree of non linearity, new varistor compositions were studied, by means of doping the known SnO2.Nb2O5.CoO system with Cr2O3 and MnO2, as well as changing the ...