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A regioquímica das reações de Diels-Alder de N-tosil para-benzoquinona iminas
(Universidade Federal de São Carlos, 2012-02-29)
In this work it was done a comparative study on the reactivity of a variety of dienophiles including para-benzoquinones, their mono-oximes, their N-tosyl mono-oximes and their N-tosylimines on the Diels-Alder reactions ...
Zirconato de cálcio: um estudo para aplicação como sensor de umidade relativa
(Universidade Federal de São Carlos, 2013-04-19)
In this work, it was used the Polymeric Precursors method (PPM). It started from a previous solution of metal cations in different concentrations, using citric acid as chelating agent and ethylene glycol as esterifying and ...
Avaliação do processo de vulcanização inversa visando a aplicação na produção de fertilizantes
(Universidade Federal de São Carlos, 2018-09-17)
Sulfur (S) is an essential macronutrient for crop development, nevertheless, its deficiency in agricultural soils has become increasingly alarming in the last decades. Despite elemental sulfur (S8) being a widely utilized ...
Synthesis of g-C3N4/Nb2O5 heterostructures: study of photocatalytic properties
(Universidade Federal de São Carlos, 2019-04-22)
Semiconductors are promising catalysts for artificial photosynthesis, but to date, there is no consensus on the ideal photocatalyst for CO2 reduction. Among semiconductors used for CO2 reduction, Nb2O5 is a promising ...
Citotoxicidade de complexos de rutênio contendo aminoácidos sulfurados em células tumorais
(Universidade Federal de São Carlos, 2016-07-28)
The work presents the synthesis and characterization of three new ruthenium II complexes containing sulfur amino acids, to evaluate the probable influence of the amino acids on the complexes cytotoxic activity. The complexes ...
Nanopartículas coloidais de ouro e prata e sua funcionalização com dibutil-dicalcogenetos
(Universidade Federal de São Carlos, 2010-02-25)
Hybrid materials present interesting combination of the physical and chemical properties of organic and inorganic compounds in a single material that is widely employed in distinct technological applications. In the present ...
A aprendizagem de catálise enzimática por meio de casos: proposta para o ensino de química
(Universidade Federal de São Carlos, 2018-11-09)
The fundamental aim of provoking innovative forms of knowledge construction in Chemistry during basic education requires the instrumentalization of strategies that can show re-significances of pedagogical practices and ...
Complexos fosfínicos de rutênio contendo o ligante 2,2’-dipiridilamina: síntese, caracterização e avaliação de suas atividades citotóxicas e de interação com DNA
(Universidade Federal de São Carlos, 2016-02-29)
This work aims the synthesis, characterization and evaluation of the biological activities of a series of mixed ligand ruthenium (II) phosphine complexes the containing 2,2’-dipyridylamine ligand. Furthermore, the studies ...
Estudo de complexos metálicos de RuII, NiII, PdII e PtII com ligantes aciltioureias: atividade citotóxica e interação com biomoléculas
(Universidade Federal de São Carlos, 2019-12-20)
In this work, two series of phosphine complexes containing acylthiourea ligands were synthesized, characterizatied and evaluatied of the cytotoxic activities. The first series of compounds was composed of complexes with ...
Estudo de inibidores naturais e sintéticos de cisteíno proteases
(Universidade Federal de São Carlos, 2018-11-30)
This work describes in its first part the chemical study of the fungus Fusarium proliferatum looking for inhibitors of cysteine proteases, with two distinct approaches: i) The search for papain inhibitors, to understand ...