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Determinação in situ de fósforo, nitrato e amônio em solo.
(Universidade Federal de São Carlos, 2006-07-28)
The cultures platforms of productivity need to be optimized, owing to provide foods to an enhanced world population. A control of the soil fertility is necessary, in order to be adequately productive without, however, have ...
Quantificação dos metabólitos do albendazol em plasma bovino por cromatografia líquida quiral de alta eficiência, com injeção direta de amostras
(Universidade Federal de São Carlos, 2007-08-17)
This work presents the development and validation of a sensitive and enantioselective multidimensional high performance liquid chromatography (HPLC) method for determination of albendazole metabolites: albendazole sulphoxide, ...
Estudo do mecanismo de eletrodeposição de cobalto sobre Pt em sulfato na presença de ácido bórico
(Universidade Federal de São Carlos, 2007-07-30)
In this work, the cobalt deposition and dissolution processes were studied. The experiments were performed in sulphate solutions at pH values (ranging from 4.9 to 5.5) and in the presence of boric acid. The mechanism of ...
Preparação e investigação das propriedades de filmes de polipirrol modificados com partículas metálicas magnéticas
(Universidade Federal de São Carlos, 2005-06-07)
In this work, it was investigated the preparation and characterization of polypyrrole and nickel or cobalt doped popypyrrole. To prepare the doped samples, the monomer was polymerized in a solution containing the metal ...
Nitrosilo complexos de rutênio : síntese, caracterização e avaliação de suas potencialidades citotóxicas
(Universidade Federal de São Carlos, 2008-06-23)
The behavior of nitric oxide (NO) in biological systems has been under intense investigation in recent years in view of its possibly crucial role in a variety of physiological processes. Great progress in this area has ...
Preparação e caracterização de filmes de PbO2 sobre diferentes substratos e MnO2 sobre fibra de carbono para aplicação no tratamento eletroquímico de efluentes simulados
(Universidade Federal de São Carlos, 2008-02-29)
PbO2 films were grown on different substrates (Ti-Pt, ADE, FC and Pb), at constant current density of 20 mA cm-2, using two methodologies: electrodepositon from 0.1 mol L-1 Pb(NO3)2, 1.7 mmol L-1 LSS and 0.1 mol L-1 HNO3 ...
Métodos para a determinação enantiomérica dos fármacos omeprazol, lansoprazol e pantoprazol em águas residuais e de estuário
(Universidade Federal de São Carlos, 2009-04-17)
The use of restricted access media columns for direct injection of samples chemically complex is consolidated, but not for environmental samples. This work describes the conditions for exclusion of aquatic fulvic and humic ...
Determinação do coeficiente cromatográfico de partição, log kw, de inibidores da bomba H+/K+ - ATPase
(Universidade Federal de São Carlos, 2007-03-15)
The relative retention and enantioselectivity of a homologue series constituted by five benzimidazoles, K+/H+ - ATPase pump inhibitors, was determined for three amylose tris-phenylcarbamate chiral stationary phases (CSP), ...
Modificação superficial de óxidos : proposta de um modelo simples e sua aplicação em sistema aluminazircônia
(Universidade Federal de São Carlos, 2008-07-18)
In this study a model that makes possible to foresee the limit of modifier oxide of surface that results in the complete support coating with a unit cells monolayer was proposed. From such limit, the lattice of the modifying ...
Preparação e caracterização de filmes de platina metálica preparados utilizando o método dos precursores poliméricos
(Universidade Federal de São Carlos, 2006-02-03)
In this work we present the preparation and characterization of Pt electrodes deposited onto Ti, obtained by the polymeric precursor method. This route is based on the dissolution of hexachloride platinum acid (H2PtCl6.7H2O) ...