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Itens para a visualização no momento 11-20 of 63
Desenvolvimento e aplicação de análise de especiação química de selênio em amostras agropecuárias
(Universidade Federal de São Carlos, 2016-01-28)
Selenium is essential in animal nutrition; it ensures proper functioning of musculoskeletal, reproductive, and immune system. The intake requirement range for Se is narrow and low levels of Se are required. In order to ...
Investigação da corrosão do aço carbono AISI 1020 em soluções de NaCl utilizando microscopia óptica in situ
(Universidade Federal de São Carlos, 2016-09-23)
According to recent information from the World Corrosion Organization, annually, approximately 2.2 trillion of global GDP is spent on corrosion-related damage. These expenses are almost the GDP of the seventh world economy ...
Síntese e caracterização de nanotubos de TiO2 preparados eletroquimicamente
(Universidade Federal de São Carlos, 2016-04-20)
In the field of nanotechnology, the titanium dioxide (TiO2) has been widely studied for its optical and electrical properties. This oxide is an n-Type semiconductor and is found naturally in
different crystalline phases. ...
Desenvolvimento e caracterização de sensores eletroquímicos modificados com meso-tetra-(2-tienil)- porfirinato de cobre (II) para a determinação de dopamina em amostras biológicas sintéticas
(Universidade Federal de São Carlos, 2016-02-26)
In this work, was built gold (Au) and glassy carbon (GC) electrochemical sensors modified with cooper (II) meso-tetra-(2-thienyl)-porphyrinate ([Cu(II)TThP]) and the GC modified electrode was applied for dopamine determination. ...
Microfabricação de guias ópticos em vidros óxidos de metais pesados contendo terras-raras
(Universidade Federal de São Carlos, 2016-03-23)
In this study, we present the production and characterization of a novel binary glass
system: (100-x)SbPO4-xGeO2 where x = 30, 40, 50, 60, 70, 80 and 90 mol %. The
dependence of GeO2 content on thermal, structural and ...
Contaminantes emergentes em estações de tratamento de esgoto aeróbia e anaeróbia
(Universidade Federal de São Carlos, 2016-11-21)
The wastewater treatment plant (WWTPs) play an important role to ensuring the health and preservation of aquatic ecosystems through biological removal (mainly) of pollutants and microorganisms in the sanitary and industrial ...
Desenvolvimento de plataformas nanométricas híbridas baseadas em polímero/enzima visando aplicações em biossensores
(Universidade Federal de São Carlos, 2016-10-27)
Foodborne illness cases are common in Brazil and in the world. However, in many cases the microorganism causing the illness cannot properly identified. In addition, traditional analyses usually employed for identifying ...
Desenvolvimento de modelos de calibração multivariada em espectroscopia de infravermelho próximo para ácidos graxos em amostras de carne bovina
(Universidade Federal de São Carlos, 2016-03-21)
The Brazilian cattle have shown promise prominence in the international market
compared to other commodities. It already knows the important role of fatty acids in the complimentarily of human nutrition. On the other hand, ...
Caracterização analítica de rochas silicatadas e avaliação de seu potencial agrícola como fonte de potássio
(Universidade Federal de São Carlos, 2016-04-19)
This study evaluated the agronomic efficiency of application of powder of silicate rocks as potassium sources in consecutive crops of millet and alfalfa in a greenhouse experiment. The rocks Biotite Schist (BX), Syenite ...
Metodologias de síntese e modificações estruturais em meso-Tetraarilporfirinas
(Universidade Federal de São Carlos, 2016-03-21)
In this thesis we describe studies towards the synthesis of porphyrins aiming the optimization of literature protocols leading to more environmental friendly approaches. Also, structural modifications and photophysical
...