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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 quimiossistemático de espécies de Hortia (Rutaceae) e busca de fungicidas à Guignardia citricarpa
(Universidade Federal de São Carlos, 2010-08-26)
The classification of the Hortia genus, belonging to the Rutaceae, is ambiguous. Hortia, which has been placed in Cusparieae by De Candolle in 1824, in the most recent morphological classification of Engler in 1931 it ...
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, ...
Desenvolvimento de um fluorímetro microcontrolado para determinação de clorofila a em águas superficiais
(Universidade Federal de São Carlos, 2010-07-29)
In this work a portable fluorimeter was developed and used for determination of chlorophyll a in water samples. The instrument was constructed using the following components: a microcontroller (PIC18F4550), two LEDs as ...
Estudo do comportamento fotoluminescente e morfológico do BaWO4
(Universidade Federal de São Carlos, 2010-08-30)
Several synthesis methods reported in the literature have been developed to the formation of barium tungstate (BaWO4) powders, among these techniques; the microwave-assisted hydrothermal (MH) systems have offered important ...
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 ...