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Mostrando ítems 101-110 de 1067
Desenvolvimento de multicamadas metálicas do tipo Pt/Ir/Pt eletrodepositadas em titânio para eletrocatálise
(Universidade Federal de São Carlos, 2012-04-19)
Regarding to the search for new energy sources, of renewable character, fuel cells fall into one of the most studied proposals on Electrochemistry. More specifically, the direct fuel cells (DAFCs) using short-chain alcohols ...
Estratégias sintéticas para a preparação de novos fotossensibilizadores do tipo ftalocianinas
(Universidade Federal de São Carlos, 2013-02-28)
In this work some studies about the synthesis of a new Znphthalocyanine derivative containing 8 tert-butyl groups on peripheral positions were performed. In order to obtain this compound, a new monomeric unit were synthesized ...
Avaliação da qualidade de um córrego urbano com relação às espécies metálicas e hidrocarbonetos policíclicos aromáticos (HPA)
(Universidade Federal de São Carlos, 2012-02-16)
Frequent use of urban waters for public supply has been increased, due to reduction of water resources suitable for human consumption. These waters are exposed to point and non-point sources of pollution, such as, atmospheric ...
Aplicação de espectroscopia raman e análise multivariada na caracterização e monitoramento in situ da síntese de cocristais de carbamazepina-nicotinamida e ibuprofenonicotinamida
(Universidade Federal de São Carlos, 2014-02-20)
In this work, the PAT tools were used (Raman spectroscopy with an in situ analyzer and multivariate tools) to proceed a crystallization monitoring and quantification of cocrystals of carbamazepine nicotinamide (CBZ NCT) ...
Metabolismo in vitro do albendazol em escala miligrama e purificação por cromatografia líquida de alta eficiência semipreparativa
(Universidade Federal de São Carlos, 2012-06-06)
This work presents the in vitro metabolism of albendazole (ABZ) conducted with microsomal fractions obtained from Wistar rats and performed in analytical and semipreparative scale. Subsequent separation and purification ...
Determinação simultânea de íons metálicos por meio de técnicas eletroanalíticas e quimiométricas
(Universidade Federal de São Carlos, 2011-05-19)
In this work, the determination of three metallic ions was performed, namely Zn2+, Cd2+ and Pb2+, in very different concentration range, from _g/L until mg/L, using differential pulse anodic stripping voltammetry over ...
Quantificação de resíduos de amoxicilina e ampicilina por injeção direta de amostras de leite de bovino
(Universidade Federal de São Carlos, 2011-12-07)
The development of new methods for analysis and quantification of drugs and their metabolites in biological fluids is of great interest in various areas of knowledge. The pre-treatment of complex matrices is a fundamental ...
Estudo do efeito isotópico sobre a solubilidade da 3- metilpiridina em H2O e D2O
(Universidade Federal de São Carlos, 2012-12-07)
Experimental studies of 3-methylpiridyne/water and 3- methylpiridyne/heavy water binary mixtures show solubility differences. In this work Molecular Dynamics method was used to simulate 54 model systems. Each system ...
Investigação do potencial antimicrobiano de Casearia sylvestris sobre microrganismo endossimbionte de Diabrotica speciosa
(Universidade Federal de São Carlos, 2013-03-27)
Diabrotica speciosa is a pest insect which occurs in most Brazilian states, standing out as one of the most important polyphagous pest of in grain crops. The understand of the role of the microbiota present in the digestive ...
Avaliação da atividade fotocatalítica de nanopartículas de Nb2O5 para degradação de pesticida
(Universidade Federal de São Carlos, 2014-12-10)
From 2010, Brazil ranks as the largest consumer of pesticides in the world, being 99% or more of sprayed pesticides can disseminate to the environment, and consequently reaching the ground and water. A possibility attempt ...