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Estudo multivariado de algumas propriedades termodinâmicas dos elementos terras raras
(Universidade Federal de Santa Maria, 2019-02-22)
Lanthanides (La-Lu), Yttrium and Scandium form the group of rare earth elements (REE) are classified as light (LREE) and heavy (HREE). These elements are gaining prominence in surveys due to their economic potential as ...
Efeito da estrutura de líquidos iônicos derivados do imidazol no aquecimento de solventes moleculares sob irradiação com ultrassom
(Universidade Federal de Santa Maria, 2019-03-29)
In this work, the heating profile of water, dimethyl sulfoxide (DMSO), acetonitrile
(CH3CN) and ethanol (EtOH) and their solutions doped with imidazolium based ionic
liquids (ILs) mono- (CnMIMBr, n = 4,6,8,10,12,14, and ...
Avaliação mimética da atividade catalítica da superóxido dismutase e efeitos citotóxicos de complexos de cobre derivados de aminas de furanos e tiofenos.
(Universidade Federal de Santa Maria, 2019-06-19)
This work evidences the synthesis, characterization, evaluation of superoxide dismutase mimetic catalytic activity, and cytotoxic effects of copper complexes.
The complexes were obtained from aldol condensation between ...
Avaliação fitoquímica e da atividade antioxidante de Equisetum giganteum e Tagetes minuta
(Universidade Federal de Santa Maria, 2019-11-25)
The essential oil of Tagetes minuta native from Southern Brazil was obtained through hydrodistillation and analyzed for its chemical composition and antioxidant potential. Along with the essential oil, an aqueous extract ...
Conversão biotecnológica de casca de arroz em celulose bacteriana
(Universidade Federal de Santa Maria, 2019-01-25)
The state of Rio Grande do Sul is the major national rice producer and generates each
year large volumes of rice husk (RH) ̶ a left-over biomass with no controlled
destination, composed essentially by lignin, cellulose ...