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Now showing items 61-70 of 118
Métodos analíticos alternativos para avaliação da qualidade de forrageiras utilizadas na nutrição animal
(Universidade Federal de São Carlos, 2007-07-21)
Alternative methods were developed for some determinations performed in routine by animal nutrition laboratories, in order to increase laboratory efficiency and reduce costs maintaining analytical quality. In the first ...
Desenvolvimento de métodos por cromatografia líquida de alta eficiência muldimensional para validação do uso do biorreator gliceraldeído-3-fosfato desidrogenase de Trypanosoma cruzi para triagem de inibidores
(Universidade Federal de São Carlos, 2008-08-27)
This work reports the quantification of NADH formed by an immobilized enzyme reactor (IMER) of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) of T. cruzi using multidimensional high-performance liquid chromatography. For ...
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 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, ...