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Itens para a visualização no momento 11-18 of 18
Investigação de metabólitos secundários de Tabernaemontana catharinensis A. DC. – (Apocynaceae) e suas potenciais atividades antimicrobianas
(Universidade Federal de Santa Maria, 2018-07-17)
The phytochemical investigation of hexane and methanolic crude extracts and their fractions from the
bark of the stem of Tabernaemontana catharinensis (Apocynaceae, commonly known as cobrina) led
to the isolation of nine ...
Síntese e caracterização de complexos metálicos (CuI,CuII,CoII, PdII) derivados do ligante 2-(2-piridilselanometil)piridina
(Universidade Federal de Santa Maria, 2018-10-29)
This work presents the synthesis and characterization of eight compounds derived from a new synthesis methodology of the 2-picolyl selonopyridine linker with metals of different hardness. All the compounds had their structure ...
Determinação multirresíduo de agrotóxicos por GC-MS/MS em plantas medicinais empregadas na produção de fitoterápicos
(Universidade Federal de Santa Maria, 2018-08-06)
The use of exotic and Brazilian plants as a resource for therapeutic purposes in the prevention and treatment of diseases, have been evaluated as to the possibility of extracting plant active compounds, as well as the ...
Desenvolvimento de método de preparo de amostras de solução de nutrição enteral mediante sistema de digestão de alta pressão para posterior determinação multielementar
(Universidade Federal de Santa Maria, 2018-03-01)
In this work two methods of sample preparation for the digestion of enteral nutrition solution (SNE) using microwave assisted digestion (MWAD) in a single reaction chamber (SRC) system and subsequent multielement determination ...
Determinação de impurezas elementares em sulfato de bário por ICP-MS após volatilização empregando combustão iniciada por micro-ondas
(Universidade Federal de Santa Maria, 2018-07-25)
In order to volatilize analytes from inorganic samples, additives such as
microcrystalline cellulose have been applied. The cellulose is burnt and the heat
generated helps to volatilize the analytes of the matrix being, ...
Síntese de uma nova classe de moléculas derivadas do AZT: 5’- arilcalcogenil-3’-(4-fenilselenoalquil-1,2,3-triazol-1-il)-timidina com atividade antitumoral
(Universidade Federal de Santa Maria, 2018-02-23)
Abstract: This work presents the synthesis as well as the antitumor effect in vitro in
bladder cancer cells 5637 of a new class of 5'-arylcalcogenyl-3'-(4-phenylselenoalkyl-
1,2,3-triazol-1-yl)-thymidine derivatives ...
Síntese de 1,4-diazaciclo-2-ilidenos N-pirrolil/furanil substituídos
(Universidade Federal de Santa Maria, 2018-08-06)
This work presents the synthesis of piperazines, 1,4-diazepanes and 1,4-diazocanes
pyrrolyl or furanyl-functionalized at the N4 position of the diazacycle. In this manner, four series
of compounds were prepared, with a ...
Síntese, análise estrutural e avaliação mimética da atividade catalítica da superóxido dismutase de complexos de cobre derivados de hidrazidas aromáticas
(Universidade Federal de Santa Maria, 2018-08-03)
This work presents the synthesis, characterization of copper (II) complexes and the
potential of these compounds to mimic the catalytic activity of the enzyme superoxide
dismutase.
The complexes were obtained from the ...