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Desenvolvimento de metodologias para a especiação de arsênio em águas e matrize salinas empregando voltametria adsortiva de redissolução catódica
(Universidade Federal de Santa Maria, 2005-01-20)
The present work reports the development of methodologies for the arsenic speciation in waters and saline matrices by adsorptive cathodic stripping voltammetry (AdCSV). The determination of As(III) by AdCSV was investigated ...
Estudo dos metabólitos secundários de Condalia buxifolia e Scutia buxifolia e suas atividades antimicrobianas
(Universidade Federal de Santa Maria, 2005-11-30)
The present work describes the study of the secondary metabolites of two species that belong to the Rhamnaceae family: Condalia buxifolia and Scutia buxifolia, and the study of the ratio structure/activity of seven ...
Síntese e atividades antimicrobiana/antioxidante de 1-(pirazolin-1-il)-2-[(aril/heteroaril)metileno] carboidrazidas trifluormetil substituídas
(Universidade Federal de Santa Maria, 2010-09-16)
This work initially describes the regioselective synthesis of a series of 3-alkyl(aryl/heteroaryl)-5-trifluoromethyl-5-hydroxy-4,5-dihydro-1H-pyrazole-1-carbohydrazides (2) from the monocyclocondensation reaction of ...
Síntese de 1-[aril(heteroaril)]-5-(3,3,3-trifluor-2-oxopropilideno) pirrolidin-2-onas
(Universidade Federal de Santa Maria, 2005-10-31)
The synthesis of a series of ten 1-[aryl(heteroaryl)]-5-(3,3,3-trifluoro-2-oxopropilideno) pyrrolidin-2-ones by intramolecular cyclocondensation reaction of methyl 7,7,7-trifluoro-4-[aryl(heteroaryl)amino]-6-oxo-4-heptanoates ...
Síntese de 2-[3h-pirazol-2-il]trifluormetilpirimidinas Alquil, aril e heteroaril substituidas
(Universidade Federal de Santa Maria, 2004-07-14)
This work describes a general methodology for the synthesis of a novel series of 4-alkyl, 4-aryl, heteroaryl-2-[5-methyl-4-(2-hidroxyethyl)-3-oxo-1,2-dihydro-3H-pyrazol-2-yl]-6(4)-trifluoromethylpyrimidines. The precursors ...
Síntese, nanoencapsulamento e atividade biológica de compostos triazenos
(Universidade Federal de Santa Maria, 2012-02-01)
Compounds featuring triazenidic units constitute a versatile class of molecules for the preparation of new inorganic complexes with broad applications that include cancer therapy such as leukemia treatment. Gold-triazenide ...
Novos compostos de alta dimensionalidade envolvendo um ligante fexível bisfosfinato
(Universidade Federal de Santa Maria, 2010-07-19)
Compounds involving phosphinates ligands possess the ability to form strong
metal-oxygen bonds in the solid state by virtue of the very electronegative O atoms
bound to an electropositive P atom. This fact was the ...
Síntese de novos sulfetos, sulfóxidos e sulfonas vinílicas derivados do N-fenilpirazol
(Universidade Federal de Santa Maria, 2013-03-01)
Não foi possível inserir o abstract.
Síntese em fase sólida, caracterização e estudo conformacional da δ melantropina e da δ melantropina oxidada
(Universidade Federal de Santa Maria, 2005-03-12)
The δ melanotropin is a peptide with sequence H-Ser-Met-Glu-Val-Arg-Gli-Trp-OH. The synthesis of this peptide was carried out by the methodology in solid phase, being the sequence synthesized on a polymeric support by means ...
Eletrodos modificados e não modificados na determinação de compostos sulfurados - um estudo comparativo
(Universidade Federal de Santa Maria, 2004-11-19)
The present study is a contribution for the electrochemical determination of the thiocompounds in aqueous solutions. The performance of different electrode surfaces as well as the introduction of modifiers in the electrolyte ...