Search
Now showing items 371-380 of 605
Síntese de LiFePO4 em sistema hidrotermal assistido por micro-ondas, caracterização e testes como catodo de baterias de íons lítio
(Universidade Federal de São Carlos, 2018-07-30)
Different routes for lithium iron phosphate (LiFePO4) synthesis were studied in a microwave-assisted hydrothermal system in order to reduce the time and temperature of synthesis in relation to the traditional methods of ...
Avaliação sistemática do efeito de matriz em ensaios bioanalíticos por LC-MS/MS para a análise de rifampicina em fluidos biológicos
(Universidade Federal de São Carlos, 2011-04-29)
Bioanalytical assays by LC-MS/MS were conducted in order to investigate the
matrix effect (ME) in the analysis of rifampicin (RIF) in biological matrices, human
plasma or microsomal fractions, which were submitted to ...
Método experimental/teórico para interpretação de semicondutores inorgânicos
(Universidade Federal de São Carlos, 2018-07-27)
It is known that the morphology, dimensionality and crystalline structure of materials play important roles in electronic, optical, catalytic properties, among others. Understanding the role of these surfaces and find a ...
Eficácia dos flavonóides hesperidina e naringenina e o fenol ácido isovanílico complexados com Mg (II), para o controle da bactéria xanthomonas citri ssp. citri
(Universidade Federal de São Carlos, 2017-08-25)
The present work describes the study of natural products complexed as bactericidal, bacteriostatic and biofilm inhibitors for the control of citrus canker, as well as their study regarding the mode of action of these ...
Síntese eletroquímica e caracterização de filmes finos de compostos da forma BiSe(X), com X = Cu, Fe ou Co
(Universidade Federal de São Carlos, 2015-10-26)
The present work is based on the literature related to the Bi2Se3 compound, which is present in current researches as a topological insulator and is also well known for thermoelectricity applications. In this work the ...
Complexos mono, bi e trinucleares de metais de transição com bases de Schiff tridentadas tipo ONN e tetradentadas do tipo ONNO : síntese, caracterização e estudos como catalisadores na oxidação de catecois
(Universidade Federal de São Carlos, 2015-09-11)
Salen-type complexes are an important class of
coordination compounds, which have been used to catalyze a wide variety of
reactions in various homogeneous and heterogeneous systems. Complexes of
transition metals are ...
Avaliação de polímeros impressos para pré- concentração/extração de Se, U e Cd
(Universidade Federal de São Carlos, 2015-06-18)
This thesis describes the development of imprinted polymers for preconcentration of Se, Cd and U. The relevant factors to the FIA system and preconcentration were optimized by Doehlert matrix. Chapter I describes an ...
Complexos mono- e bimetálicos de cobre(II) e de cobalto(III) com bases de Schiff tridentadas e tetradentadas: sínteses, caracterizações e estudos em reações catalíticas
(Universidade Federal de São Carlos, 2014-05-20)
This dissertation details the synthesis with satisfactory reaction yields (between 56.3 and 96.5%) of mono- and bimetallic complexes of copper(II) and of cobalt(III), containing as ligands, tridentate and tetradentate ...
Conjugate additions and organocatalytic sequential reactions - new approaches to old reactions
(Universidade Federal de São Carlos, 2016-04-01)
This thesis consists in a collection of projects wherein the focus is
the application of organocatalysts to accelerate the reactions, its primary function,
as to induce asymmetry to the synthetic targets, within a ...
Síntese de precursores de heterociclos e sistemas cíclicos nitrogenados
(Universidade Federal de São Carlos, 2018-03-23)
β-halovinyl ketones are valuable and versatile synthetic intermediates for the synthesis of precious bioactive molecules. Majority of the already described methodologies for the synthesis of these versatile building blocks ...