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Determinação voltamétrica de 1,4-benzodiazepínicos e dietilpropiona como adulterantes em fitoterápicos para emagrecimento
(Universidade Federal de Santa Maria, 2008-09-12)
The adulteration of phytotherapic formulations has been a common practice in many countries, since there is not an specific legislation for the control of the manufacturing and commercialization of the so called natural ...
Influência da sazonalidade nos constituintes químicos, atividade antimicrobiana e antioxidante das partes aéreas de Baccharis articulata (Lam) Pers e Achyrocline satureioides (Lam.) DC.
(Universidade Federal de Santa Maria, 2009-09-16)
In this study seasonal variation on oil yields and composition, antioxidants activities, toxicity from Artemia salina and antimicrobial activities, from aerial parts of Achyroclines satureoides and Baccharis articulata ...
Determinação de resíduos de pesticidas em plantas de arroz empregando QuEChERS modificado e GC-ECD
(Universidade Federal de Santa Maria, 2008-12-19)
Rice culture is an activity that has currently been gaining more importance due to its use in human feeding, allowing enough food and acceptable quality to the population. There is a great concern regarding the intensive ...
Estudo de reações de N-alquilação de pirimidin-2-onas: síntese de novos análogos nucleosídicos modificados
(Universidade Federal de Santa Maria, 2008-01-15)
This work presents a study of the N-alkylation reactions of 4-
(trichloromethyl)pyrimidin-2(1H)-one(2), 5-bromo-4-methoxy-4-(trichloromethyl)-3,4-dihydropyrimidin-2-(1H)-one (7), 4-methoxy-4-(trichloromethyl)-3,4-dihydr ...
Avaliação da Supramolecularidade de complexos triazenidos mononucleares e binucleares de Ag(I)
(Universidade Federal de Santa Maria, 2009-07-01)
This work presents the synthesis and the investigation of the crystalline and molecular structure of five new mononuclear or binuclear complexes of Ag(I) with monocatenated triazenido ligands. The mononuclear complexes ...
Síntese de 3-trifluoracetilpirróis N-substituídos
(Universidade Federal de Santa Maria, 2008-02-18)
This work presents a new, simple and versatile one-pot strategy for the synthesis of new N-substituted 3-trifluoroacetyl-pyrroles. These compounds were obtained by the reaction of 3-trifluoroacetyl-4,5-dihydrofuran with ...
Síntese e análise estrutural de clusters derivados de Hg(EPh)2 (E = Se, Te)
(Universidade Federal de Santa Maria, 2009-03-04)
This work presents a study related to the synthesis and structural analysis of clusters derivative from Hg(EPh)2 (E = Se, Te). Bis(phenylchalcogenide)mercury was used as starting material, which is considered a building ...
Investigação espectrométrica da transferência gás-sólido envolvendo naftaleno, antraceno e criseno em XAD-2, EPU e sílica
(Universidade Federal de Santa Maria, 2016-03-04)
Polycyclic aromatics hydrocarbons (PAH) are an important class of pollutants
ubiquitous in the environment, being spread from its source to different parts of the world, like
Amazonia and Antartica, and has already been ...
Determinação de bispiribaque-sódico, quincloraque e tebuconazole em água de lavoura de arroz irrigado empregando SPE e HLPC-DAD
(Universidade Federal de Santa Maria, 2009-03-04)
Rice is one of the most produced and consumed cereal in the world. It plays a strategic role both economically and socially. Southern is responsible for about 60% of Brazilian rice production, which is directly linked to ...
Avaliação de processos de remoção química de fósforo de efluente de suinocultura
(Universidade Federal de Santa Maria, 2008-01-17)
The increasing of swine growing in confinement area have forced the application of new technologies to increase production and costs reduction. Large amount of manure containing pollutants is generated as a consequence. ...