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5-trialometil-4,5-diidro-1h-1-(carbonilpiridil)pirazóis: síntese e atividade biológica frente ao Mycobacterium tuberculosis
(Universidade Federal de Santa Maria, 2008-08-06)
This work describes the synthesis of series of 5-hydroxy-3-[alkyl(aryl/heteroaryl)]-5-trifluoro[chloro]methyl-4,5-dihydro-1H-1(carbonylpyridyl)pyrazoles, obtained from the
reactions of 1,1,1-trihalo-4-[alkyl(aryl/hetero ...
3-alcoxi-4-hidroxi pirrolidin-2-onas, 2-metilsulfanil pirimidina, enoilcarbamatos e 3-dialcoxi fosforiloxi trialometilados: síntese e potencial inibitório sobre a atividade da enzima acetilcolinesterase
(Universidade Federal de Santa Maria, 2006-10-20)
This work presents a study of the several organic compounds such as trihalomethylated enaminones, γ-amino alcohols, oxazinones, oxazines, dihydrofuranones, pyrrolidin-2-ones, 2-methylsulfanyl pyrimidine, enoylcarbamates ...
Validação de procedimento analítico empregando SPE e GC-ECD para determinação de pesticidas organoclorados em água e avaliação da permeabilidade destes nos dialisadores utilizados em hemodiálise
(Universidade Federal de Santa Maria, 2004-08-27)
The dialysis of the blood, within which the most applied modality is the haemodialysis, is a method thoroughly used for the treatment of the renal inadequacy. With this treatment, toxic substances accumulated in the patient´s ...
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 ...
Desenvolvimento de processo de deslignificação da palha de milho assistida por ultrassom
(Universidade Federal de Santa Maria, 2022-05-20)
In this work, the ultrasound (US) was investigated in acid hydrolysis process for corn straw delignification, in comparison with the conventional process proposed by National Renewable Energy Laboratory (NREL). This procedure ...
Avaliação de processos extrativos para desmineralização de biomassa lignocelulósica
(Universidade Federal de Santa Maria, 2022-03-17)
This work evaluated lignocellulosic biomass demineralization processes (sugarcane
bagasse, sugarcane straw, energy cane, pine, and eucalyptus residues) using
ultrasonic energy, mechanical stirring, or only mild conditions ...
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 ...