Search
Now showing items 11-20 of 34
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 ...
Compostos carbonílicos heterobimetálicos de Ru(II)/Fe(II) : propriedades citotóxicas e estudo da interação com BSA e DNA
(Universidade Federal de São Carlos, 2016-03-30)
Ruthenium and iron-based drugs are an option for the development of improved chemotherapeutic agents for cancer treatment with lower toxicity. Thereby, this work present the in vitro cytotoxic activity and in vitro interaction ...
Abordagens sintéticas para a funcionalização de novas porfirinas
(Universidade Federal de São Carlos, 2016-09-30)
Herein, we optimized some conditions in the synthesis of a β-octasubstitued porphyrin with electron withdrawing groups (1). This system was used to study the bromination of the meso position aiming at subsequent ...
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, ...
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 ...
Estudo da eletrodeposição da liga Fe-Mo a partir de um banho à base de sorbitol. Caracterização física, química e morfológica dos eletrodepósitos Fe-Mo
(Universidade Federal de São Carlos, 2016-05-25)
Study of the electrodeposition of Fe-Mo alloy from a sorbitol bath. Physical, Chemical and the morphological characterizations of Fe- Mo eletrodeposits.
An alkaline solution for the electrodeposition of Fe-Mo alloys was ...