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Busca de substâncias bioativas em plantas amazônicas: Adiscanthus fusciflorus (Rutaceae), Trichilia pallida e T. rubra (Meliaceae)
(Universidade Federal de São Carlos, 2004-08-12)
The aim of this
work was the search for antiparasitic and insecticide compounds in active extracts
from the following amazon plants: A. fusciflorus (Rutaceae), T pallida e T. rubra
(Meliaceae). The selected biological ...
Estudo e aplicações das técnicas de RMN HR-MAS e DOSY em plantas e extratos de plantas da ordem Rutales.
(Universidade Federal de São Carlos, 2004-06-23)
This work describes the implementation of two recent techniques in NMR - DOSY e HR-MAS
as a tool for the analysis of natural products mixture and in leaves of Citrus, respectively. The work begun with the technique DOSY, ...
Desenvolvimento de procedimentos automáticos para determinação de etanol, glicerol e ácido tartárico em vinho empregando multicomutação em fluxo.
(Universidade Federal de São Carlos, 2004-08-18)
In the present work, flow systems for the determination of ethanol, glycerol and
tartaric acid in wine without previous sample treatment are described. The flow
system were based on multicommutation and controlled by ...
Síntese e caracterização de pós de Li2TiSiO5 e Na2TiSiO5.
(Universidade Federal de São Carlos, 2004-07-30)
This work presents a systematic study of the synthesis and characterization of Li2TiSiO5 and Na2TiSiO5 compounds. We studied their structural,
morphologic and luminescent properties using X ray diffraction, Raman spectroscopy ...
Filmes finos de LaNiO3 depositados sobre substratos monocristalinos pelo método dos precursores poliméricos.
(Universidade Federal de São Carlos, 2004-08-06)
This work reports a systematic study on the deposition and characterization of LaNiO3 thin
films. This material is a ceramic conductor and presents a near metallic behavior, and is interesting for capacitor electrodes ...
Síntese, caracterização e estudos cinéticos da isomerização de compostos de Ru(II) contendo ligantes (X-bipy) ( X=-H, -NO2, -Me, - COOH, -SMe, O=SMe, -Cl, -OMe).
(Universidade Federal de São Carlos, 2004-01-30)
The synthesis of coordination compounds containing bipyridine
derivative ligands and the influence of the substituent groups on the physical and
chemical properties were studied in this work.
Mixed compounds of the type ...
Estudo de estruturas, interações e reconhecimento molecular em carboidratos utilizando simulação computacional.
(Universidade Federal de São Carlos, 2004-05-11)
In this work, computer simulation methods were applied to investigate glucose-derived carbohydrates in solution at atomistic resolution. The carbohydrates considered were: trehalose and cyclodextrins. The disaccharide ...
Estudo fitoquímico de plantas das famílias Rutaceae e Meliaceae visando o isolamento de substâncias protótipos para o desenvolvimento de novos fármacos antichagásicos e antileischmanioses.
(Universidade Federal de São Carlos, 2004-02-27)
This work involved the bioassay-guided study of Almeidea coerulea, A. rubra, Conchocarpus heterophyllus, Galipea carinata (Rutaceae), and Trichilia ramalhoi (Meliaceae). The bioassays were carried out with T. cruzi GAPDH ...
Dióxido de estanho nanoestruturado dopado com terras raras como catalisador e sensor de gases.
(Universidade Federal de São Carlos, 2004-02-10)
This work presents and discusses results of the effects of doping on rare earth-doped nanosize SnO2, obtained using the polymeric precursor method and prepared at different annealing temperatures. Only the cassiterite phase ...
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 ...