Search
Now showing items 101-110 of 305
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 ...
Catalisadores de MgO-SiO2 : efeito dos promotores CaO e SrO na conversão de etanol
(Universidade Federal de São Carlos, 2015-05-22)
The replacement of chemical products by renewable raw materials is an important factor for the emission control of CO2. Consequently, there is a great commercial interest in the conversion of ethanol into 1,3-butadiene. ...
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, ...
Novas arquiteturas para sensores modificados com materiais nanoestruturados de carbono
(Universidade Federal de São Carlos, 2016-02-19)
In this work are reported the development of new architectures for sensors using carbon nanomaterials. Firstly, the investigation of the nanomaterials reduced graphene oxide (RGO) and carbon black (CB) in
chitosan film ...
Galvanização como tema motivador na disciplina de química tecnológica em um curso de engenharia de produção
(Universidade Federal de São Carlos, 2016-05-18)
In technical visits
to companies in Marilia and the region, the needs observed; on hiring a
professional that would present previous knowledge of galvanization and its
applications, it was proposed a reformulation of ...
Tris(trimethylsilyl)silane and visible-light irradiation : a new metal- and additive-free photochemical process for the synthesis of indoles and oxindoles
(Universidade Federal de São Carlos, 2016-07-29)
A combined tris(trimethylsilyl)silane and visible-light-promoted intramolecular reductive cyclization protocol for the synthesis of indoles and oxindoles has been developed (Scheme 1).1 This straightforward and efficient ...
Synthesis of new cocrystal solid form of fluconazole-fumaric acid
(Universidade Federal de São Carlos, 2015-09-29)
Pharmaceutical cocrystals are multicomponent crystalline solids comprised of
an active pharmaceutical ingredient (API) and one or more co-formers
interacting through hydrogen bonding or other weak interactions like the ...
Estudo químico e biológico de micro-organismos endofíticos associados às frutas banana, pêra e goiaba
(Universidade Federal de São Carlos, 2010-03-05)
Studies about interaction between microorganisms and plants are focused mainly in the vegetal tissues like roots, steam and leaves. Fruits are a right target for microorganism attacks. Nevertheless, endophytic microorganisms ...
Estudos de separação enantiosseletiva para uma série de sulfóxidos quirais em colunas poliméricas
(Universidade Federal de São Carlos, 2010-03-12)
The liquid chromatography enantiomeric separation of a series of seventeen chiral sulfoxides was systematically investigated using multimodal elution with the new synthetic polymeric stationary phases based on monomers ...