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Preparação e caracterização mecânica, térmica e elétrica de misturas de poliuretano derivado do óleo de mamona e poli (o- metoxianilina) para avaliação na aplicação como sensores para língua eletrônica
(Universidade Federal de São Carlos, 2010-07-28)
The incorporation of conducting polymer into a conventional polymer matrix has received considerable attention in the last decade because of the possibility of combining the good processability and mechanical performance ...
Catalisadores de Pd/Al2O3 modificados com La: preparação, caracterização e propriedades catalíticas nas reações de reforma a vapor e autotérmica do metano
(Universidade Federal de São Carlos, 2010-11-26)
The Pd catalysts were prepared by wet impregnation method of the supports using an aqueous solution of palladium nitrate. (x)La2O3-Al2O3 carriers, with x = 0 to 20 wt %, were obtained by wet impregnation and sol gel methods. ...
Estudo da variação do perfil químico de Citrus sinensis sobre Citrus limonia após a inoculação da bactéria Xylella fastidiosa
(Universidade Federal de São Carlos, 2011-06-22)
The present work describes the study of variation in the chemical profile of citrus after inoculation of Xylella fastidiosa, in charge of the Citrus Variegated Chlorosis is one of the most serious diseases that cause damage ...
Caracterização e aplicação de zeólitas naturais
(Universidade Federal de São Carlos, 2010-03-05)
Zeolites are aluminosilicates with a three dimensional framework structure bearing AlO4 and SiO4 tetrahedra. These are linked to each other by sharing all of the oxygen to form interconnected cages and ...
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
...
Efeito da inserção de nanopartículas sintéticas preparadas por rota coloidal em matriz acrílica comercial de uso odontológico
(Universidade Federal de São Carlos, 2016-03-11)
Acrylic resins are very used in dentistry to dental restorations and manufacture of
prostheses. New compositions of acrylic resin have been developed through the
incorporation of silver nanoparticles due to the antimicrobial ...
Diferentes estratégias espectroanalíticas para a determinação de metais em cosméticos
(Universidade Federal de São Carlos, 2015-10-22)
In this work, it was developed a procedure for the
determination of metals in cosmetics, employing the techniques ICP OES, GF AAS,
LIBS and LA-ICP OES; in addition, it was explored the potential of chemometric
tools. ...
Determinação de metais por técnicas espectroanalíticas em amostras de carne e sangue de bovinos submetidos à dieta com adição de erva-mate (Ilex paraguariensis, St. Hilaire)
(Universidade Federal de São Carlos, 2016-05-23)
Given the importance of quality in the bovine meat and its relationship with the diet submitted to animals, this master dissertation has the proposition to evaluate the Ca, Cu, Fe, K, Mg, and Zn concentrations changes in ...
Determinação de arsênio total e inorgânico em sucos de frutas e arroz por ICP-MS
(Universidade Federal de São Carlos, 2016-07-07)
Analytical procedures using inductively coupled plasma mass spectrometry (ICP-MS) for the determination of total As in rice samples and fruit juices and inorganic As in rice samples were developed. A microwave-assisted ...
Estudo do perfil químico de Cyperus rotundus e avaliação do seu potencial de absorção de metais
(Universidade Federal de São Carlos, 2016-07-27)
The following work describes the comparative study of the variation between chemical profiles of plants of the Cyperus rotundus species – where one was collected at Vale S.A.’s dumping ground in Canaã dos Carajás city, ...