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Complexos de cobre(II) com bases de Schiff, tipo ONNO derivados de cis- e (±)-trans-1,2-ciclohexanodiamina: síntese, caracterização e estudos como catalisadores na oxidação de catecóis
(Universidade Federal de São Carlos, 2011-08-02)
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 very ...
Determinação simultânea de íons metálicos por meio de técnicas eletroanalíticas e quimiométricas
(Universidade Federal de São Carlos, 2011-05-19)
In this work, the determination of three metallic ions was performed, namely Zn2+, Cd2+ and Pb2+, in very different concentration range, from _g/L until mg/L, using differential pulse anodic stripping voltammetry over ...
Quantificação de resíduos de amoxicilina e ampicilina por injeção direta de amostras de leite de bovino
(Universidade Federal de São Carlos, 2011-12-07)
The development of new methods for analysis and quantification of drugs and their metabolites in biological fluids is of great interest in various areas of knowledge. The pre-treatment of complex matrices is a fundamental ...
Terpenóides e seu metabolismo em fungos: um estudo de Scleroderma sp. e Xylaria sp.
(Universidade Federal de São Carlos, 2011-08-05)
In the present work, the lanostane triterpenes Lanosta-8,24-diene-3β,23-diol and Lanosta-8,23-diene-3β,25-diol were isolated from the basidiomycete Scleroderma sp., an extremely rich source of triterpenes and not ...
Desenvolvimento de genossensores utilizando microbalança de cristal de quartzo e técnicas eletroquímicas
(Universidade Federal de São Carlos, 2011-02-18)
The proliferation of toxic algae in different oceans leads to great economic losses and environmental damage the mortality of marine animals such as mollusks and fish due to neurotoxins that they release into the environment. ...
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 ...
Investigação do mecanismo de formação de filmes porosos de TiO2 obtidos por anodização galvanostática
(Universidade Federal de São Carlos, 2011-10-20)
In this work the experimental and theoretical aspects of the growth of titanium dioxide obtained by galvanostatic anodization were studied. The _lms were prepared by galvanostatic anodization of titanium, where the curve ...
Estudo das propriedades ópticas e morfológicas de pós de SrMoO4 processados em sistemas hidrotérmicos
(Universidade Federal de São Carlos, 2011-02-08)
In the last years, the luminescent emissions of SrMoO4 have been investigated for technological applications in solid-state lasers, light emission diodes, cell phone displays and lamps. In terms of synthesis routes, the ...