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Aplicação da copolimerização radicalar para a síntese de nanocatalisadores por rota simples e de baixo impacto ambiental
(Universidade Federal de Santa Maria, 2018-08-16)
This work focuses on the synthesis of advanced polymeric nanogels with the
purpose of using them as high performance stabilizing agents for the synthesis of
hybrid nanoparticles containing gold or palladium and in the ...
Determinação de elementos terras raras em amostras ambientais por cromatografia líquida de alta eficiência com pareamento iônico
(Universidade Federal de Santa Maria, 2018-08-28)
Rare earth elements (ETRs) comprise a group of 17 chemical elements formed by the series of lanthanides, from lanthanum (La) to lutetium (Lu), added to scandium (Sc) and yttrium (Y) elements. Currently they are widely used ...
Estudo comparativo entre polietileno de alta densidade, espuma de poliuretano e Amberlite XAD-2 na adsorção de hidrocarbonetos policíclicos aromáticos
(Universidade Federal de Santa Maria, 2018-08-10)
Polyciclic aromatic hydrocarbons (PAH) are compounds that present two or more condensed aromatic rings. These substances can be found in the environment, and its contamination could lead to health risks. For environmental ...
Triazenos N-óxidos e seus complexos de Au(I) e Pd(II): uma abordagem no contexto da engenharia de cristais
(Universidade Federal de Santa Maria, 2018-02-02)
This work presents the synthesis of several molecular models, divided into four
chapters, and which were strategically synthesized for application in Crystal Engineering. In
the first chapter the synthesis of a series ...
Produção biotecnológica de exopolissacarídeo por meio de conversão químico-fermentativa de casca de arroz
(Universidade Federal de Santa Maria, 2018-07-13)
The rice husk (RH) conversion in products with industrial and pharmaco-chemical attention aimed to use this raw lignocellulosic material, renewable and abundant in the south of Brazil, mainly at RS state ─ yet with no ...
Similaridade de estruturas supramoleculares em cristais orgânicos: proposta de índices quantitativos
(Universidade Federal de Santa Maria, 2018-06-20)
This investigation reports the proposal of a new method to obtain quantitative indexes of
similarity in crystals, using the supramolecular cluster as study demarcation. A series of
tert-butyl pyrazoles were used as models ...