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Novos complexos de Ru(II) e Mg(II) com flavonóides : atividade tóxica, sítios ativos e mecanismos de ação
(Universidade Federal de São Carlos, 2012-11-09)
The use of pesticides in agriculture, in order to enhance and ensure food production for a growing population has led to many concerns about risks to human health and the environment. Therefore, search for new strategies ...
Síntese e avaliação da atividade biológica de neolignanas e análogos
(Universidade Federal de São Carlos, 2012-04-17)
Substituted benzofurans and neolignans have considerable pharmacological potential. In this work, we report some synthetic methods for the construction of these rings, as well as their derivatives. Through the oxidative ...
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 ...
Nanocompósitos de polietileno linear de baixa densidade (LLDPE)/argila montmorilonita: processamento, morfologia e propriedades
(Universidade Federal de São Carlos, 2013-06-25)
Polymer nanocomposites filled with lamellar silicates are considered hybrid materials (organic-inorganic) of great interest both in industry and the universities, since their properties are superior to neat polymer. In ...
Uso de modelos moleculares por alunos de ensino médio : contribuições para o desenvolvimento de modelos mentais de conceitos químicos
(Universidade Federal de São Carlos, 2012-12-07)
This study aimed to analyze the contribution of molecular models to the evolution process of the mental models of first grade high school students regarding the following chemical concepts: substance, reactants, products, ...
Síntese e avaliação da atividade biológica de alcaloides e derivados n-heterociclos
(Universidade Federal de São Carlos, 2013-09-14)
4-Quinolinone derivatives and hydantoins are important classes of cyclic nitrogen compounds which have very interesting biological activity against a variety of biological targets. Phytochemical studies of plants of the ...
Nanopartículas de Pt-TiO2 com propriedades catalíticas e fotocatalíticas
(Universidade Federal de São Carlos, 2013-04-23)
In the first part of this work, a binary system composed of TiO2 and Pt particles was used as photocatalyst for degradation of methyl orange under different lighting conditions: simulated sunlight and ultraviolet. In these ...
A reação de Diels-Alder de para-benzoquinonas sob condições de catálise por ácidos de Lewis e sob efeito de micro-ondas
(Universidade Federal de São Carlos, 2013-06-12)
In this work it was done the studies of the Diels-Alder reactions of the parabenzoquinones 2,5-dimethyl-para-benzoquinone (A1), 2,6-dimethyl-parabenzoquinone (A2) and thymoquinone (A3) with the dienes cyclopentadiene (B1), ...
Estudos de sólidos farmacêuticos através das técnicas de RMN no estado sólido
(Universidade Federal de São Carlos, 2014-07-11)
Approximately 80-90 % of the drugs on the market are available in solid form, sold as tablets and capsules containing product in a powdered form. A frequent problem associated to the drugs in the solid state is the low ...
O museu de ciências como promotor da motivação: lembranças do público do setor de química do CDCC/USP
(Universidade Federal de São Carlos, 2014-05-30)
This work refers to a study of the motivational aspects found in the mini courses offered by the Chemistry Sector of the Center for Cultural and Scientific Dissemination (Centro de Divulgação Científica e Cultural CDCC). ...