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Itens para a visualização no momento 31-40 of 47
Sal de Bunte como precursor para a síntese de 3- organotio-benzo[b]furanos
(Universidade Federal de Santa Maria, 2021-01-28)
In this work we developed a methodology for the synthesis of 3-orgnanylthio-benzo[b]furan derivatives, aiming to elaborate a satisfactory procedure. This method is based on the application of an alternative source of ...
Avaliação da calibração em LA-ICP-MS usando hidroxiapatita para análise de polivitaminícos
(Universidade Federal de Santa Maria, 2021-02-11)
In this work, a calibration procedure was investigated to determine Mn, Sr, Cd, Ba, Li, Al, Cr, Co, Ni, Cu, Zn, Mg, Fe, Fe, and Ca in multivitamins by laser ablation combined mass spectrometry with inductively coupled ...
Brassica oleracea var. capitata: influência de nitrogênio e boro na atividade antirradicalar (DPPH, OH·, O2·-)
(Universidade Federal de Santa Maria, 2014-07-02)
AVALIAÇÃO DA COMBUSTÃO INICIADA POR MICRO-ONDAS PARA O PREPARO DE AMOSTRAS DE INSETOS COMESTÍVEIS E POSTERIOR DETERMINAÇÃO DE As, Cd e Pb
(Universidade Federal de Santa Maria, 2022-08-25)
The consumption of edible insects has been an alternative to the demand for food.
However, potentially toxic metals (such as As, Cd, and Pb) can be present in these
arthropods due to the substrates used in the production, ...
Síntese de 1-(selenobutil)-2-fenil-4H-selenofeno[2,3-c]cromenos via reação de ciclização mediada por sais de ferro
(Universidade Federal de Santa Maria, 2017-12-04)
This paper reports the study developed for the preparation of 1-(butylselanyl)-2-phenyl-4H-selenopheno[2,3-c]chromenes substituted by cyclization in intramolecular cascade of arylpropargyl ethers. Firstly, the study was ...
Avaliação fitoquímica e da atividade antioxidante de Equisetum giganteum e Tagetes minuta
(Universidade Federal de Santa Maria, 2019-11-25)
The essential oil of Tagetes minuta native from Southern Brazil was obtained through hydrodistillation and analyzed for its chemical composition and antioxidant potential. Along with the essential oil, an aqueous extract ...
Caracterização de leveduras isoladas do mosto de uvas Cabernet Franc da região de Bento Gonçalves - RS
(Universidade Federal de Santa Maria, 2020-08-21)
The elaboration of a good wine goes far beyond of terroir. It strongly depends upon the grape quality used and on the vinification process. Therefore, it is important to use a proper yeast for vinification. The autochthonous ...
TRIAGEM VIRTUAL DE COMPOSTOS ANÁLOGOS A FÁRMACOS INIBIDORES DE RECAPTAÇÃO DE SEROTONINA COMO POSSÍVEIS ANTICOLINESTERÁSICOS
(Universidade Federal de Santa Maria, 2023-02-06)
Clinically, Alzheimer's disease (AD) is associated with functional and behavioral
symptoms, in addition to several cognitive symptoms, which can be explained by the
cholinergic neurotransmission deficit. Galantamine, an ...
Síntese e caracterização de 1,2,3-triazol derivado da cumarina
(Universidade Federal de Santa Maria, 2023-07-14)
Avaliação de sensor de turbidez comercial para determinação de K disponível em solo
(Universidade Federal de Santa Maria, 2023-01-13)
Nutrient availability is essential so the crop can reach its maximum yield. Potassium is
an element that has a great influence on this matter since it has several functions in
the plant like regulation of osmotic pressure. ...