Buscar
Itens para a visualização no momento 1-10 of 24
Pigmentos nanométricos de alumina dopada com ferro, níquel e manganês
(Universidade Federal de São Carlos, 2006-11-08)
In the recent years, the necessity of ceramic pigments production with new shades and variable distributions of particle size has increased considerably. The color and size of pigment particles are responsible for important ...
Busca de compostos inseticidas: estudo de espécies do gênero Trichilia (Meliaceae)
(Universidade Federal de São Carlos, 2006-05-15)
This work describes the results of the search for
insecticidal compounds from the Meliaceae family. The samples assayed against
fall armyworm Spodoptera frugiperda were the hexane, methanol and
hydromethanol extracts ...
Aplicação de técnicas espectrométricas, cromatográficas e quimiométricas na avaliação da autenticidade de plantas utilizadas como fitoterápicos.
(Universidade Federal de São Carlos, 2006-08-01)
The use of herbal medicines in the Brazilian market has increased in the last
few decades. Therefore, the quality control for herbal products, as well as traditional
medicines, is extremely important and for both: the ...
Formação inicial de professores: uma análise dos cursos de licenciatura em química das universidades públicas do estado de São Paulo
(Universidade Federal de São Carlos, 2006-12-15)
This work aimed to analyze the process of reformulation/creation of Teaching Courses in Chemistry of public universities of São Paulo to attend the new legislation. It was also observed the engagement of professors and ...
Análise de metabólitos secundários em culturas de Pestalotiopsis sp e Aspergillus aculeatus.
(Universidade Federal de São Carlos, 2006-03-30)
Cariophylene sesquiterpenes are chemical compounds isolated from fungi of the Pestalotiopis genus in early studies developed in our research group. In the present work, a cultivation and analysis methodology were developed ...
Preparação e caracterização de filmes de platina metálica preparados utilizando o método dos precursores poliméricos
(Universidade Federal de São Carlos, 2006-02-03)
In this work we present the preparation and characterization of Pt electrodes deposited onto Ti, obtained by the polymeric precursor method. This route is based on the dissolution of hexachloride platinum acid (H2PtCl6.7H2O) ...
Avaliação do comportamento das elementos Ni, Rb e Se por espectrometria de absorção atômica com forno tubular na chama de aeressol térmico.
(Universidade Federal de São Carlos, 2006-06-30)
In the present work the behavior of the elements Ni, Rb, and Se was evaluated by thermospray flame furnace atomic absorption spectrometry (TS-FF-AAS). The arrangement of the TS-FF-AAS system consisted of a Ni tube located ...
Fitoquímica do caule de Citrus limonia enxertado com C. sinensis e da espécie de Nycticalanthus speciosus (RUTACEAE) e biossíntese de cumarinas preniladas
(Universidade Federal de São Carlos, 2006-10-19)
The Cravo lime species (C. limonia) acts as the grafting host, mostly used in the Brazilian citriculture and because of its precocious productivity, besides its good adaptation to most common soils, permitting for an optimum ...
Desenvolvimento de metodologia de análise e indução à produção de alcalóides espiroquinazolinos por Eupenicillium SP
(Universidade Federal de São Carlos, 2006-12-15)
It is presented the development of a liquid chromatography-UV-tandem mass spectrometric method for spiroquinazolinic alkaloids analyses in a variety of matrices where the fungus Eupennicilium sp. was cultivated. Sample ...
Estudo fitoquímico de Helietta puberula (Rutaceae), Simarouba versicolor (Simaroubaceae) e busca de um processo de microencapsulação de compostos ativos visando o controle de formigas cortadeiras.
(Universidade Federal de São Carlos, 2006-06-02)
This work involved the
bioassay-guided study of Helietta puberula (Rutaceae) e Simarouba versicolor
(Simaroubaceae). The biossays were carried out with leaf-cutting ants Atta
sexdens rubropilosa, antifungal activity against ...