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Estudo da interação do alumínio com o ácido glucônico
(Universidade Federal de Santa Maria, 2005-08-19)
Parenteral solutions are used for patients with complexes diseases, for pre-term infants and surgical patients. The administration of solutions contaminated by aluminium for a long period of time can lead to severe ...
Uso de microondas na síntese de 3-alquil(aril)-5-hidróxi-5-triclorometil-4,5-diidro-1h-pirazol-1-carboxiamida
(Universidade Federal de Santa Maria, 2005-03-01)
A series of 3-alkyl and 3-aryl-5-hydroxy-5-trichloromethyl-4,5-dihydro-1Hpirazoles-1-carboxiamide that possess biological activity they were synthesized, in good yeld, through the cyclocondensation, in microwaves, of ...
Avaliação da atividade antimicrobiana de derivados isoxazóis
(Universidade Federal de Santa Maria, 2005-03-03)
Isoxazoles compounds have been showing a great variety of pharmacological activities. Such activities might be increased by the presence of halomethyl-substitute groups in isoxazoles. This work shows the synthesis of the ...
Síntese, reatividade e atividade antimicrobiana de β-enamino ésteres α-clorados utilizando K-10 e irradiação de microondas
(Universidade Federal de Santa Maria, 2005-12-15)
Enamino carbonylic compounds are important synthetic intermediates used in the synthesis of heterocycles and natural products. Our group of research has been dedicating much of our efforts to the development and implementation ...
Uso de modelos multivariados para a avaliação do valor de dienos em amostras de gasolina de pirólise
(Universidade Federal de Santa Maria, 2005-12-19)
The quality of gasoline may be affected by the presence of several compounds. Among them, the conjugated dienes play an important role due to the fact that their presence is strongly associated with gum formation, which ...
Síntese de 1,7-fenantrolinas e 7-aminoquinolinas trifluormetil substituídas
(Universidade Federal de Santa Maria, 2010-02-26)
This work, at first, describes the synthesis and characterization of new series of (Z,Z)-N,N -bis(oxotrifluoroalkenyl)-1,3-phenylenediamines by the addition/elimination reaction of β-alkoxyvinyl trifluoromethyl ketones ...
Efeitos de nanopartículas de La2O3 em ratos e biodistribuição de elementos por LA-ICP-MS
(Universidade Federal de Santa Maria, 2018-03-02)
The aim of this work is to evaluate possible effects caused by oral administration of La2O3-NP in rats. Due to the lack of toxicological knowledge of La2O3-NP, the acute oral toxicity test, according to OECD 425 guidelines, ...
Síntese, caracterização e estudo interativo com DNA de meso-tetra(1-naftil)porfirinas e seus complexos
(Universidade Federal de Santa Maria, 2018-07-05)
This study aimed to synthesize meso-tetra(1-naphthyl)porphyrin and its metalloporphyrin
derivatives with metals of the first transition series (ZnII, CuII, NiII, CoIII, MnIII). The compounds
were characterized by elemental ...
Determinação de compostos sulfurados em amostras de asfalto de petróleo empregando cromatografia líquida com detecção pulso-amperométrica
(Universidade Federal de Santa Maria, 2018-08-01)
Among the heteroatoms present in petroleum, sulfur stands out as being the most
abundant. Henceforth it can be found on many quantities in oil derivate, such as
Petroleum Asphalt Cement (CAP). The presence of organosulfur ...
Desenvolvimento de métodos para determinação de resíduos de trifenilestanho em água e solo por cromatografia líquida acoplada à espectrometria de massas em série
(Universidade Federal de Santa Maria, 2018-03-29)
Triphenyltin has been widely used as fungicide in several crops, but its use in irrigated rice crop was banned in Brazil because it poses a high risk to the environment. In this work, methods for determination of triphenyltin ...