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Now showing items 31-40 of 43
Estudo do efeito do envelhecimento eletroquímico em filmes de poli(3-hexiltiofeno)
(Universidade Federal de São Carlos, 2014-10-24)
The study of the electrochemical aging of conductive polymers, including of polythiophenes, has been described in the literature. However, this paper proposed study, in addition to electrochemical aging of polyethylene ...
Propriedades elétricas e estruturais do niobato de potássio e estrôncio obtido pelo método de Pechini
(Universidade Federal de São Carlos, 2015-06-19)
The
search for new technologies more efficient and environmentally sustainable,
triggered the search for new materials and synthesis routes that present a low
economic and energy impact. In this context, potassium and ...
Desenvolvimento de nanocompósitos baseados em hidrogéis aplicados à liberação de nutrientes agrícolas
(Universidade Federal de São Carlos, 2014-03-21)
Nanocomposites were developed based on polyacrylamide hydrogels (PAAm) and methylcellulose (MC) reinforced with montmorillonite (MMT), undergoing the materials to subsequent hydrolysis process and evaluating their loading ...
Nanocristais de TiO2 : relação entre parâmetros morfológicos, estruturais e fotocatálise
(Universidade Federal de São Carlos, 2010-02-26)
In this work, morphologically different TiO2 nanocrystals were synthesized through the OPM method with the objective of performing a comparative study related to photoactivity. Morphological characterization was performed ...
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 ...
Síntese de nanopartículas semicondutoras de seleneto de zinco (ZnSe) aquoso e análise dos subprodutos decorrentes dessa síntese
(Universidade Federal de São Carlos, 2012-07-20)
Zinc selenide (ZnSe) is a semiconductor material, which band gap is about 2.7 eV. It has many applications as blue light emission diode, data storage devices, laser diodes and waveguides optical fibers. Despite these several ...
Análise da interação molecular proteína-herbicida através de simulação computacional: aplicação no desenvolvimento de nanobiossensores
(Universidade Federal de São Carlos, 2013-04-29)
In this study, our goal was evaluate the interactive forces between the Atomic force microscope tip (AFM tip) and an important enzyme responsible to fatty acids synthesis in all living beings (Acetyl CoA Carboxylase - fic ...
Estudo da cominuição na solubilidade da rocha fosfática Bayóvar
(Universidade Federal de São Carlos, 2014-11-25)
Phosphorus is a vital element for both animals and plants. In recent decades, the population growth boosted the production of food and technologies applied to the crops. The intense use of land for monoculture depletes the ...
Síntese, caracterização e deposição sobre óxido de grafeno de nanopartículas de óxido de índio dopado com estanho (ITO)
(Universidade Federal de São Carlos, 2011-11-22)
In this study, in the first step, Indium tin oxide nanoparticles were synthesized via a non-aqueous route involving the solvothermal treatment of indium (III) acetylacetonate and tin (IV) chloride in polyethylene glycol ...
Cerâmicas de PZT modificadas com terras raras sintetizadas usando o método dos complexos oxidantes de peróxido (OPM) e sinterizadas por micro-ondas
(Universidade Federal de São Carlos, 2013-07-23)
The Pb(Zr0,52Ti0,48)O3 solid solution in morphotropic phase and its modified (RExPb1-x)(Zr0,52Ti0,48O3) with RE = La, Pr or Nd and x = 0.05, 0.10, 0.15, 0.20, 0.30, 0.38 and 0.45 were satisfctorily prepared by oxidant ...