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Now showing items 81-90 of 176
Detecção e degradação eletroquímica do bisfenol A utilizando eletrodos de diamante dopado com boro
(Universidade Federal de São Carlos, 2011-02-25)
The electrochemical detection of bisphenol A (BPA) by differential pulse voltammetry (DPV) using a boron-doped diamond (BDD) electrode was developed. A 0.5 mol L 1 H2SO4 solution was used as supporting electrolyte and the ...
Desenvolvimento de eletrodo modificado com filme de polianilina e estudo da viabilidade da aplicação analítica para catecolaminas
(Universidade Federal de São Carlos, 2010-08-13)
This work describes the development of a polyaniline (PANI) film modified electrode for determination of dopamine (DA) in pharmaceutical formulation. The electropolymerization of PANI film on platinum electrode was performed ...
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, ...
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 ...
Síntese eletroquímica e caracterização de filmes finos de CdZnTe
(Universidade Federal de São Carlos, 2012-01-27)
Studies on the electrodeposition of semiconductor films has been developed primarily for the binary chalcogenides. However, there are several ternary systems that are poorly researched and have broad application spectrum, ...