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Estudo teórico de propriedades estruturais e elétricas de filmes automontados de moléculas orgânicas
(Universidade Federal de São Carlos, 2014-11-21)
Compact models of ionized and nonionized Langmuir monolayers of stearic acid adsorbed on the water were simulated by means of atomistic molecular dynamics. The electrostatic, structural and dynamic properties of the molecules ...
Materiais híbridos obtidos pela adsorção de nanopartículas metálicas sobre fungos micelares pelo efeito biotemplate
(Universidade Federal de São Carlos, 2014-02-18)
The use of bio-design concepts is a promising strategy for obtaining materials with properties of great scientific and technological interest. There are numerous examples of materials obtained by employing concepts of ...
Síntese e propriedades fotocatalíticas de heteroestruturas TiO2/SnO2
(Universidade Federal de São Carlos, 2014-03-14)
Heterostructures, systems containing two dissimilar semiconductors in direct contact, has been applied in heterogeneous photocatalysis due to their electronic properties. This work aimed at studying heterostructures ...
Modificação das propriedades dos polímeros de NBR carboxilado comerciais a partir da incorporação de nanopartículas sintéticas
(Universidade Federal de São Carlos, 2014-02-21)
Aiming to overcome the performance of polymers, a new class of hybrid materials has emerged by the fillers insertion into polymeric matrices. In this sense, silica nanoparticles with a diameter of 250 nm were modified by ...
Uso de biotemplates na obtenção de microtubos com nanopartículas de ouro
(Universidade Federal de São Carlos, 2014-02-14)
Recently, the studies in the area of hybrid materials composed by biological structures have been of great interest, since they are considered versatile biotemplates in wich referred to the organization of nanostructured ...
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 ...
Uso da modelagem molecular na solução de problemas em química
(Universidade Federal de São Carlos, 2014-08-29)
The studies presented herein show the use of molecular modelling coupled to spectroscopic data to tackle four different problems in organic chemistry. In the first study, the sulfonylation of the primary hydroxyl group of ...
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 ...
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 ...