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Síntese assistida por microondas de LiMn2O4, caracterização e testes como catodo para dispositivos de armazenamento de energia
(Universidade Federal de São Carlos, 2011-03-02)
Lithium manganese oxide - LiMn2O4 - was produced by a microwaveassited solid state reaction. Solid mixtures containing LiOH.H2O and -MnO2 (synthesized electrolytically) underwent microwave irradiation for 3, 4 and ...
Estudo de alterações metabólicas nos fungos endofíticos Penicillium brasilianum e Penicillium griseoroseum
(Universidade Federal de São Carlos, 2011-08-26)
Microorganisms, known as being relatively simple, have shown a great adaptation power to different nutritional situations by changing their metabolism with lack or supply of nutrients in the culture medium. This feature ...
Degradação eletrooxidativa e biológica de corantes em meios aquosos
(Universidade Federal de São Carlos, 2011-04-01)
The electrochemical degradation of the Reactive Red 141, Acid Blue 62 (AB 62), Direct Black 22, and Disperse Orange 29 dyes in a 0.1 M Na2SO4 solution with and without NaCl addition was investigated with Ti-Pt/β-PbO2 ...
Estudo da variação do perfil químico de Citrus sinensis sobre Citrus limonia após a inoculação da bactéria Xylella fastidiosa
(Universidade Federal de São Carlos, 2011-06-22)
The present work describes the study of variation in the chemical profile of citrus after inoculation of Xylella fastidiosa, in charge of the Citrus Variegated Chlorosis is one of the most serious diseases that cause damage ...
Desenvolvimento de procedimentos eletroanalíticos para a determinação de antioxidantes e corantes em produtos alimentícios empregando um eletrodo de diamante dopado com boro
(Universidade Federal de São Carlos, 2011-04-29)
The following topics were investigated in this thesis: a) the electrochemical response of a boron-doped diamond electrode, after different electrochemical pretreatments, for two antioxidants (butylated hydroxyanisole BHA ...
O método investigativo em aulas teóricas de química: estudo das condições da formação do espírito científico
(Universidade Federal de São Carlos, 2011-02-25)
This work aims to understand the conditions that can lead to the formation of the scientific spirit applying investigative problems in theoretical classes of chemistry. The main theoretical reference that guided this ...
Estudo das propriedades fotoluminescentes de pós e filmes finos de MgTiO3 obtidos pelo método dos precursores poliméricos
(Universidade Federal de São Carlos, 2011-02-07)
In this study, MgTiO3 (MTO) powders and thin films that crystallize in a perovskite ilmenite crystalline structure were obtained and characterized. MTO were synthesized by the polymeric precursor method (PPM), which allows ...
Formação inicial de professores de química na região norte: análise das diferentes concepções das IES públicas e de professores e estudantes do ensino médio
(Universidade Federal de São Carlos, 2011-04-08)
This research was aimed at the initial formation of Chemistry Teachers in the North Brazilian Region. Thus, it searched out knowing the conceptions of Public Institutions of Higher Education and Secondary Education. There ...
Integração de métodos in silico e in vitro para o planejamento de inibidores da enzima cruzaína
(Universidade Federal de São Carlos, 2011-06-30)
Chagas disease, caused by the flagellate protozoan of the family Trypanosomatidae Trypanosoma cruzi, is endemic in Latin America. The available drugs are ineffective and cause severe side effects. Therefore, it is necessary ...
Síntese e avaliação da atividade biológica de compostos N-Heterocíclicos
(Universidade Federal de São Carlos, 2011-07-28)
N-heterocyclic compounds have a large number of biochemical and medical applications and an important role in the discovery of new drugs, and many of best sellers, currently in use, contains one or more N-heterocyclic ...