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Emprego da organocatálise como uma ferramenta da química verde em reações de adição conjugada : estudos visando a síntese de anéis indólicos
(Universidade Federal de São Carlos, 2012-03-30)
Organocatalysis has emerged as a powerful synthetic paradigm and has accelerated the development of new methods to make diverse chiral molecules. In addition, the small chiral organic molecules used to accelerate asymmetric ...
Complexos fosfínicos de rutênio contendo os ligantes nitro, nitrosilo ou piridinas, com atividades antitumorais e antituberculose
(Universidade Federal de São Carlos, 2010-11-10)
In this work, a series of cis-[RuCl(L)(dppb)(5-mebipy)]PF6 (L=pyridine, 4- metylpyridine, 4-phenylpyridine, 4-vinylpyridine, 4-terc-butylpyridine and 4- aminopyridine); the cis-[RuCl(NO2)(dppb)(5-mebipy)], the cis-[Ru(NO ...
Desenvolvimento de minissensores de filme de bismuto para a determinação voltamétrica in loco de atrazina, diquat e paraquat em águas naturais
(Universidade Federal de São Carlos, 2011-02-25)
The development of bismuth film electrodes (BiFE) and minissensors/BiFE for application to the development of electroanalytical procedures for determination of atrazine, Diquat and Paraquat using voltammetric techniques ...
Estudo fitoquímico de Virola sebifera associado ao controle de formigas cortadeiras
(Universidade Federal de São Carlos, 2011-02-25)
Leaf-cutting ants are considered one of the main pests that affect Brazilian agriculture. To control this pest are employed, most often, halogenated, sulfurous and phosphorus compounds. However, the continued use of these ...
Determinação simultanêa de pesticidas utilizando métodos eletroanalíticos e quimiométricos
(Universidade Federal de São Carlos, 2011-03-17)
This paper describes the simultaneous determination of the pesticides paraquat and diquat using electroanalytical techniques coupled with chemometric methods. Although these two pesticides can be easily determined in trace ...
Análise quimiométrica de méis brasileiros
(Universidade Federal de São Carlos, 2012-02-27)
In this research, analytical procedures are proposed for the determination of inorganic constituents in honey samples from different Brazilian regions, by using the technique of Inductively Coupled Plasma Mass Spectrometry ...
Precessão Livre de Onda Contínua (CWFP) como ferramenta para supressão do sinal de solvente em RMN de alta resolução
(Universidade Federal de São Carlos, 2011-08-01)
The application of Continuous Wave Free Precession (CWFP) method for solvent suppression in high resolution NMR spectroscopy is reported. The applied methodology was based in the use of conventional pulse sequence that use ...
Estudos de separação enantiosseletiva para uma série de sulfóxidos quirais em colunas poliméricas
(Universidade Federal de São Carlos, 2010-03-12)
The liquid chromatography enantiomeric separation of a series of seventeen chiral sulfoxides was systematically investigated using multimodal elution with the new synthetic polymeric stationary phases based on monomers ...
Estudo químico e biológico de micro-organismos endofíticos associados às frutas banana, pêra e goiaba
(Universidade Federal de São Carlos, 2010-03-05)
Studies about interaction between microorganisms and plants are focused mainly in the vegetal tissues like roots, steam and leaves. Fruits are a right target for microorganism attacks. Nevertheless, endophytic microorganisms ...
Estudo fitoquímico de Rhabdodendron amazonicum, Conchocarpus inopinatus e avaliação dos compostos isolados na inibição da fotossíntese
(Universidade Federal de São Carlos, 2010-09-23)
The Rhabdodendron amazonicum is a species of the monogeneric family Rhabdodendraceae, whose species are concentrated in the Amazon, Guianas and northern Bahia-Brazil. Phytochemical study of ethanolic extract of Rhabdodendron ...