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Síntese coloidal de nanocristais magnéticos com superfície macromolecular
(Universidade Federal de São Carlos, 2009-08-17)
This dissertation describes the development of a synthetic route to obtain colloidal magnetic nanocrystals in solvent of high molar weight and different polarities. Magnetite Nanocrystals ware synthesized by thermal ...
Estudo da influência do complexo bórico-sorbitol no processo de eletrodeposição, morfologia e composição da liga Zn-Mn
(Universidade Federal de São Carlos, 2009-02-19)
Zn-Mn electrodeposition on to platinum using an acid electrolyte based on boric acid (BA) or boric-sorbitol complex (BSC) has been studied. The influence of these additives concentrations on the electrodeposition process ...
Utilização do sinal de fundo e calibração multivariada como um procedimento para acessar a concentração total de concomitantes em espectrometria de absorção atômica com forno tubular na chama e aerossol térmico (TS-FF-AAS)
(Universidade Federal de São Carlos, 2009-02-19)
TS-FF-AAS employs a metal tube atomizer above an air/acetylene flame and in this case, the atoms residence time is longer than that observed in FAAS (Flame AAS). As a result, elevated background signals are obtained. For ...
Tubos atomizadores de titânio em espectrometria de absorção atômica com forno tubular na chama e aerossol térmico (TS-FF-AAS) para a determinação de cobre em materiais biológicos
(Universidade Federal de São Carlos, 2009-02-13)
In this work it was used Ti atomizers tubes employing TS-FF-AAS system to improve the analytical performance of FAAS. The TS-FF-AAS was applied for Cu determination in food and biological samples. The Ti tubes were used ...
Estudo microgravimétrico da formação de filmes de prata eletrodepositados
(Universidade Federal de São Carlos, 2009-09-04)
In this thesis, a voltammetric coupled to microgravimetry investigation about the electrodeposition of silver over polycrystalline platinum in acid medium was performed. Microgravimetry is helpful to understand the effect ...
Eletrodeposição de nanoestruturas de cobalto em alumina anódica porosa e sua caracterização magnética
(Universidade Federal de São Carlos, 2009-08-27)
In this thesis, the results regarding the investigation about the cobalt electrodeposition in templates of porous anodic alumina are presented. The doctorade is divided in four main sections. The _rst one has consisted in ...
Utilização da RMN aliada a métodos quimiométricos na análise de méis e aguardentes
(Universidade Federal de São Carlos, 2009-02-17)
Apiculture has been increasing a lot in the last years in Brazil, which already is one of the greatest exporters of honey. Productive chain of aguardentes has also risen, and both products are considerably important in ...
Estudo computacional da enzima gGAPDH do Trypanosoma cruzi
(Universidade Federal de São Carlos, 2009-06-05)
Theoretical methods in computational chemistry were used to study the gGAPDH enzyme from Trypanosoma cruzi. This protozoan is responsible by the Chagas diseases. Molecular dynamics simulations were performed to obtain the ...
Estudos do crescimento anódico de óxidos e da deposição de apatitas sobre a liga biocompatível Ti-13Nb-13Zr
(Universidade Federal de São Carlos, 2009-10-30)
Studies on the anodic growth of oxide films passivating the biocompatible alloy Ti-13Nb-13Zr (m/m) and the formation of hydroxyapatite (HA) films on these oxides were carried out in this work. The oxides were grown either ...
Estudo do potencial enzimático de micro-organismos endofíticos para a biotransformação de produtos naturais e análogos sintéticos
(Universidade Federal de São Carlos, 2009-11-27)
The endophytic microorganisms Penicillium griseoroseum, Penicillium brasilianum, Aspergillus flavus e Aspergillus aculeatus have shown to be very efficient in order to perform the most diferenciated biotransformation ...