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Estudo da viabilidade do uso de métodos de segunda ordem e RMN na elaboração de fingerprint de bauhinia forficata baseado em seu extrato bruto
(Universidade Federal de São Carlos, 2014-10-30)
Given the large number of species of Bauhinia and great morphological similarity between them, it is necessary the development of robust analytical techniques in quality control of plants used as herbal medicines, since ...
Crescimento anódico e caracterização de óxidos coloridos de titânio em eletrólitos alternativos
(Universidade Federal de São Carlos, 2015-01-23)
A Studies on the anodic growth of oxides that passivate the biomaterial titanium, and their electrochemical, morphological and structural parameters were carried out in this work. The oxides were obtained galvanostatically ...
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 ...
Sobre a síntese de pirróis 3,4-dissubstituídos e seus correspondentes derivados porfirínicos
(Universidade Federal de São Carlos, 2014-02-28)
In this work we have developed the synthesis of 3,4-disubstituted pyrroles, aiming at the preparation of strategically designed (continue...)
Terpenóides e seu metabolismo em fungos: um estudo de Scleroderma sp. e Xylaria sp.
(Universidade Federal de São Carlos, 2011-08-05)
In the present work, the lanostane triterpenes Lanosta-8,24-diene-3β,23-diol and Lanosta-8,23-diene-3β,25-diol were isolated from the basidiomycete Scleroderma sp., an extremely rich source of triterpenes and not ...
Influência da presença de líquidos iônicos no comportamento térmico, termo-mecânico e nas propriedades de transporte em membranas de policarbonato obtidas via casting
(Universidade Federal de São Carlos, 2014-02-25)
New alternatives to the use of polymeric membranes as solid electrolyte in fuel cells have been considered , in order to find solutions to recurrent obstacles that limit the performance of these cells, the dependence of ...
Efeito dos íons Ni2+ nas propriedades estruturais, ópticas e morfológicas do tungstato de prata
(Universidade Federal de São Carlos, 2015-07-17)
The tungstates are important compounds and known for their optical properties. In this work, solid solutions with nickel silver tungstate, 𝐴𝑔2−2𝑥𝑁𝑖𝑥𝑊𝑂4, ...
Estudo da estrutura de complexos de polieletrólitos sobre as propriedades de transporte de água e sais
(Universidade Federal de São Carlos, 2015-03-25)
Polyelectrolytes complexes (PECs) are defined as materials formed by combining oppositely charged polyelectrolytes together via ionic interaction. PECs have some unique physical properties such as non-solubility in common ...
Determinação de Cd, Co, Cr, Cu, Ni e Pb em cosméticos infantis empregando técnicas espectroanalíticas
(Universidade Federal de São Carlos, 2014-07-18)
In this study were developed two methods for sample preparation: one for children s eye shadow and another for chidren s lipstick. In the optimizing process, variables such as nitric acid concentration (2 or 7 mol L-1), ...
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 ...