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Sintese e avaliação como fotossensibilizadores de novos triazoil-fulerenos funcionalizados com AZT e com calcogenos derivados de AZT
(Universidade Federal de Santa Maria, 2014-08-07)
Herein we report the synthesis of a new class of AZT-functionalized fullerenes. The synthetic strategic furnished the desired products in few reactional steps, in a convergent manner, in yields ranging from 22 to 43 ...
Oligoésteres e poliésteres obtidos a partir do ácido oleico modificado com forma estrela: síntese e caracterização físico-química
(Universidade Federal de Santa Maria, 2012-07-30)
This works investigated the curing reaction of epoxidized oleic acid starshaped
with different anhydrides, forming product as oligoésteres and polyesters.
Oleic acid modified was obtained by esterification of oleic acid ...
Síntese de 1h-1,2,3-triazol-4-il-1,3,4-oxadiazóis a partir de 4-alcóxi-1,1,1-tricloro-3-alquen-2-onas
(Universidade Federal de Santa Maria, 2014-09-12)
This work describes the synthesis and the characterization of series of substituted trichloroacetyl 1H-1,2,3-triazoles (10 12), 1H-1,2,3-triazol-4-yl-carbohydrazides (14 16) and 1H-1,2,3-triazol-4-yl-1,3,4-oxadiazoles ...
Obtenção regiosseletiva de 5-alquil(aril/heteroaril)-3- (carboxil/trifluormetil)-1h-1-fenilpirazóis
(Universidade Federal de Santa Maria, 2011-05-19)
This paper presents a new synthetic route for obtain regioselective 5-alkyl(aryl/heteroaryl)-3-trifluoromethyl-1H-1-phenylpyrazoles (3a-e) (50-85% yields) and 5-alkyl(aryl/heteroaryl)-3-carboxialkyl-1H-1-phenylpyrazoles ...
Desenvolvimento e validação de método multirresidual para determinação de pesticidas em café verde utilizando GC-MS (NCI-SIM)
(Universidade Federal de Santa Maria, 2012-01-16)
In this study, was developed and validated a multi-residue method for the
determination of 40 pesticides in green coffee beans. To obtain a very homogeneous
sample, the coffee beans were first milled, followed by a slurry ...
Patulina em maçãs armazenadas em atmosfera controlada dinâmica utilizando UPLC-MS/MS e monitoramento em supermercados
(Universidade Federal de Santa Maria, 2017-03-31)
The goal of this study was to evaluate the patulin contamination in post-harvest apples submitted to different storage conditions under controlled atmosphere (CA), in addition to apples and juices available in supermarkets. ...
Determinação multirresíduo de agrotóxicos em aveia empregando cromatografia líquida acoplada à espectrometria de massas em série
(Universidade Federal de Santa Maria, 2019-02-27)
Many pesticides are used for pest control during oat production and storage, making necessary to employ multi-class methods for pesticide residues determination. For this purpose, the QuEChERS method allows adequate sample ...
Desenvolvimento de métodos de preparo de amostras para a determinação de impurezas elementares em medicamentos de uso oral
(Universidade Federal de Santa Maria, 2019-08-02)
In this study, sample preparation methods were developed for the digestion of oral
pharmaceutical drugs used in the treatment of type 2 diabetes, with the objective of
quantifying elemental ...
Estudo fitoquímico e atividade biológica de Lupinus lanatus
(Universidade Federal de Santa Maria, 2011-01-10)
As a part of our ongoing search of new bioactive secondary metabolites of plant origin,
the aerial parts of Lupinus lanatus were subjected to phytochemical investigation.
Lupinus genus, belonging to the family of Leguminosae ...
Parabenos em efluente hospitalar: quantificação e identificação de metabólitos e subprodutos de oxidação avançada
(Universidade Federal de Santa Maria, 2013-03-22)
In this study, it was developed an analytical methodology for the quantification of parabens (PBs) in hospital effluent (University Hospital of Santa Maria - HUSM), by using solid phase extraction (SPE) followed by liquid ...