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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 ...
Estudo da presença de fármacos como adulterantes em suplementos alimentares empregando detecção amperométrica e voltamétrica
(Universidade Federal de Santa Maria, 2018-02-28)
The use of food supplements grows around the world every day. In order to improve physical performance,
prevent disease, maintain and improve health, obtain and / or maintain desired body weight and still fill
nutritional ...
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 ...
Produção e caracterização de carvão ativado modificado por sonicação e sua aplicação na adsorção de fármacos
(Universidade Federal de Santa Maria, 2019-02-08)
Water pollution by emerging contaminants such as pharmaceuticals has gained interest in recent
years. These drugs have great potential in generating adverse effects for human and wildlife,
since they are endocrine ...
Formação de ligações carbono-nitrogênio e carbonocalcogênio catalisadas por iodeto de cobre: síntese de 2- (organocalcogenil)-indolizinas
(Universidade Federal de Santa Maria, 2018-02-28)
The copper-catalyzed cyclization of propargylpyridines with diorganyl
dichalcogenides was applied to the synthesis of 2-(organochalcogenyl)-indolizines.
A systematic study of the cyclization system revealed that the ...
Síntese, estrutura e avaliação antimicobacteriana de novos 1- (espiro[croman-2,1’-cicloalcan]-4-il)-1h-1,2,3-triazóis
(Universidade Federal de Santa Maria, 2018-08-03)
This thesis describes the synthesis, structural study and antimycobacterial evaluation of a series of novel
4-(alkyl/aryl)-1-(spiro[chroman-2,1'-cycloalkan]-4-yl)-1H-2,3-triazoles having as substituent aryl = phenyl, ...
Síntese de novos pirróis derivados de aminocumarinas
(Universidade Federal de Santa Maria, 2018-07-19)
In this work, the synthesis of new pyrroles derived from aminocoumarins was
developed. First, the synthesis of pyrroles derived from 4-amino-2H-chromen-2-one
was carried out by the Paal-Knorr and Clauson-Kaas reactions, ...
Desenvolvimento de método simples e rápido para determinação multiclasse de resíduos de medicamentos veterinários em rim, fígado e músculo bovino por UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2017-03-10)
In food security area, the application of good agricultural practices is a growing concern for public health in the Brazilian domestic market and for the competitiveness countries in the external market. To ensure safety ...