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Now showing items 21-30 of 42
Avaliação química de solos tratados com vinhaça e cultivados com alfafa
(Universidade Federal de São Carlos, 2008-07-29)
It is fundamental the presence of nutrients in the soil to assure its good quality and performance. If the soil is not able to supply the adequate levels of nutrients that the plants need to survive, these nutrients have ...
Síntese do feromônio sexual e respostas eletrofisiológicas frente ao óleo essencial de Psidium guajava de Tryrinteina arnobia
(Universidade Federal de São Carlos, 2008-09-16)
The study of semiochemicals involves the knowledge of different interaction levels between organisms and allows us to understand communication mechanisms and the action of specific compounds in the insect behavior. The ...
Estudo fitoquímico de Euxylophora paraensis e avaliação das substâncias isoladas frente à enzima gliceraldeído-3-fosfato desidrogenase de Trypanosoma cruzi
(Universidade Federal de São Carlos, 2008-08-22)
This work describe the phytochemical study of bark and leaves of the specie E. paraensis (Rutaceae). This dissertation aims at contributing with the chemistry of the Rutaceae family and evaluation of the antichagasic ...
Síntese não aquosa de nanocristais de óxidos metálicos
(Universidade Federal de São Carlos, 2008-11-28)
Nonaqueous synthesis routes to obtain metal oxide nanoparticles are a valuable alternative to the aqueous sol-gel processes, offering advantages such as high crystallinity at low temperatures and ability to control the ...
Determinação espectofométrica de hipoclorito em alvejantes e cloro em águas de abastecimento empregando sistema em fluxo por multicomutação e células convencional e de longo caminho óptico
(Universidade Federal de São Carlos, 2008-02-18)
A multicommutation flow system for the spectrophotometric determination of hypochlorite in bleaching products using a cell with pathlength of 1 cm is proposed in this work. In this system, N,N-diethyl-p-phenylenediamine ...
Desenvolvimento de célula hidrotérmica para obtenção de compostos nanocristalinos de alta pureza
(Universidade Federal de São Carlos, 2008-01-31)
Due to the growing advances obtained in nanomaterials science, almost all technological sectors have invested in nanotechnology. It is expected technological improvements in a wide range of products, from the most conventional ...
Desenvolvimento de metodologias para determinação de Cd e Pb em amostras de lodo de esgoto e sedimentos com o emprego da espectrometria de absorção atômica com forno tubular na chama e aerossol térmico
(Universidade Federal de São Carlos, 2008-08-21)
In this work, Thermospray Flame Furnace Atomic Absorption Spectrometry (TS-FF-AAS) and Flame Atomic Absorption Spectrometry (FAAS) were employed in order to propose methods for determination of total and bioavailability ...
Avaliação do desempenho de diferentes tipos de nanotubos de carbono na determinação de íons metálicos e ácido mefenâmico
(Universidade Federal de São Carlos, 2008-03-12)
This work is summarized in the evaluation of the acting of different types of carbon nanotubes (CNTs) in the determination of metallic íons. The appraised electrodes differ amongst themselves for the form of synthesis of ...
Desenvolvimento de métodos por cromatografia líquida de alta eficiência muldimensional para validação do uso do biorreator gliceraldeído-3-fosfato desidrogenase de Trypanosoma cruzi para triagem de inibidores
(Universidade Federal de São Carlos, 2008-08-27)
This work reports the quantification of NADH formed by an immobilized enzyme reactor (IMER) of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) of T. cruzi using multidimensional high-performance liquid chromatography. For ...
Estudo comparativo da eficiência de diferentes processos oxidativos para o tratamento de águas residuais contendo pesticidas
(Universidade Federal de São Carlos, 2008-02-25)
Due to the vast amount of waste containing solutions of pesticides normally generated in cattle farms, in this study were evaluated different processes aiming its degradation. Initially were studied, two chamber photo-oxidative, ...