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Mostrando ítems 171-180 de 249
Síntese de ácidos anacárdicos e análogos, candidatos a inibidores da enzima gliceraldeido-3-fosfato desidrogenase glicossomal de Trypanosoma cruzi
(Universidade Federal de São Carlos, 2007-05-18)
Chagas disease, caused by Trypanosoma cruzi, is endemic in 15 countries in Latin America, including Brazil, and it is estimated that about 16 million people are infected by this protozoan. The enzyme glyceraldehyde-3- ...
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, ...
Caracterização dos processos de eletrodo em compostos do tipo LixNiyCo1-yO2 utilizando técnicas de impedância
(Universidade Federal de São Carlos, 2005-09-09)
In this work a qualitative study was carried out, using electrochemical impedance spectroscopy (EIS), exchanging cobalt by nickel in LixNiyCo1-yO2 compound synthetized by method of the polymeric precursor (Pechini s Method). ...
Estudo da origem biossintética do ácido acético e determinação da acidez em amostras de vinagres comerciais via RMN de 2H e 1H.
(Universidade Federal de São Carlos, 2004-02-27)
In this work we describe the use of NMR in the biosynthetic origin study
of acetic acid and acidity determination in commercial vinegar samples. The sitespecific
natural isotope fractionation of hydrogen and deuterium was ...
Estudo da oxidação de sulfetos pró-quirais com oxo diperoxo complexos de molibdênio (VI)
(Universidade Federal de São Carlos, 2007-03-02)
This study describes the use of oxo diperoxo molybdenum (VI) complex using 2,2-bipyridine and N,N -dioxide-2,2 -bipyridine as ligands for the oxidation of a series of aliphatic and aromatic sulfides, ketosulfides, sulfinyl ...
Desenvolvimento de procedimentos analíticos para a determinação de N-acetilcisteína em produtos farmacêuticos.
(Universidade Federal de São Carlos, 2005-02-17)
In this dissertation four analytical procedures for the determination of Nacetylcysteine
in pharmaceutical formulations are described. The first procedure
developed was a flow injection analysis system for turbidimetric ...
Estudo fitoquímico e avaliação do potencial antimicrobiano de espécies de Hortia (Rutaceae) : H. oreadica, H. brasiliana e H. superba
(Universidade Federal de São Carlos, 2008-02-29)
The phytochemical study of Hortia in this work aims to contribute with the chemosystematics of the Rutaceae and with the best classification of the genus inside the family. The study of the species H. oreadica, H. brasiliana ...
Estudo das propriedades químicas, elétricas e da microestrutura de filmes de óxidos coloridos crescidos sobre aço inoxidável por processos químico e eletroquímicos
(Universidade Federal de São Carlos, 2006-06-22)
In the present work, it was studied the chemical composition,
morphology, structure and semiconductor properties of oxide films coloured by
the chemical - CHE and electrochemical processes (triangular current scan -
TCS, ...
Estudo fitoquímico de Citrus: resistência a Xylella fastidiosa e interação com Oncometopia facialis.
(Universidade Federal de São Carlos, 2006-08-04)
This work describes sixteen substances isolated by C. limonia: xanthyletin, seselin,
xanthoxyletin, trans-kellactone, trans-decursidinol, junosmarin, scopoletin,
isoscopoletin, demethylsuberosin, xanthoarnol, clausarin, ...
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 ...